Solid Polymer Derived From Hydrocarbon Or Halogenated Hydrocarbon As Sole Reactant Or Mixture Thereof Patents (Class 525/416)
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Publication number: 20090018275Abstract: The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld.Type: ApplicationFiled: January 8, 2008Publication date: January 15, 2009Applicant: Greene, Tweed of Delaware, Inc.Inventors: Ronald R. Campbell, Christopher Corrado, Brian Alan Ux, Robert Anthony Rey, Gary Reichl, Carmin Quartapella
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Publication number: 20080287585Abstract: The present invention relates generally to the fields of chemistry and molecular biology. More particularly, the present invention relates to thermally-conductive compositions and reaction tubes for chemical- and biochemical-based analytical processing. Compositions and reaction tubes in accordance with the invention comprise at least one plastic and at least one compound having a higher thermal conductivity than the at least one plastic to result in compositions and tubes having increased thermal conductivity when compared to the at least one plastic alone. Such compositions and tubes are capable of facilitating rapid heat transfer in numerous heat transfer applications. The thermally-conductive compositions and reaction tubes are especially suitable for containing reaction constituents during thermal cycling of the polymerase chain reaction (PCR).Type: ApplicationFiled: May 14, 2007Publication date: November 20, 2008Inventor: Larry R. BROWN
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Publication number: 20080281048Abstract: A heat resistant film that comprises at least one layer that comprises a high crystallinity propylene polymer having a melt flow rate of from 0.5 g/10 min. to 15 g/10 min. and a xylene solubles of less than 3.5%. The propylene polymer may have a melting point above 158° C. The heat resistant film may further comprise at least a second layer, which may be a heterophasic random copolymer. The heat resistant film may be, for example, a blown film, a cast film, or an oriented film, and may be used in such articles of manufacture as construction films, retort packaging, and laminated articles.Type: ApplicationFiled: May 10, 2007Publication date: November 13, 2008Applicant: FINA TECHNOLOGY, INC.Inventors: Rodolfo Mier, Mark Miller
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Publication number: 20080274303Abstract: A polymer compound comprising a repeating unit of the following formula (1) and a repeating unit selected from the following formulae (2-1) and (2-2): (wherein, Ar1 and Ar2 represent an arylene group or divalent heterocyclic group. a and b represent each independently 0 or 1, E1, E2 and E3 represent an aryl group having three or more substituents selected from alkyl groups, alkoxy groups and the like, or a monovalent heterocyclic group having one or more substituents and in which the sum of the number of the substituents and the number of hetero atoms of the heterocycle is 3 or more. A ring, B ring, C ring and D ring represent an aromatic ring, X represents —O—, —S— and the like, and Y represents —C?C— and the like).Type: ApplicationFiled: February 25, 2005Publication date: November 6, 2008Inventors: Katsumi Agata, Makoto Kitano, Yoshiaki Tsubata, Makoto Anryu
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Publication number: 20080242783Abstract: A composition of matter comprising a polyester composition derived from: (i) 20 to 80 mole percent of a first diol derived from a disubstituted xylene glycol of the formula (I): wherein R1 and R2 are independently selected from the group consisting of aliphatic radical, aromatic radical, cycloaliphatic, radical and halogen; and (ii) a second diol and (iii) a diacid is disclosed. Also disclosed are blends of these polyesters with polycarbonate and process to prepare these compositions and articles therefrom.Type: ApplicationFiled: March 29, 2007Publication date: October 2, 2008Inventors: Balakrishnan Ganesan, Subodh Kumar Pal, Deepak Ramaraju, Gomatam Raghavan Ravi, Abbas Alli Ghudabhai Shaikh, Govind Subbanna Wagle
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Publication number: 20080241566Abstract: Compositions for damping the vibration of mechanical components, such as those used in vehicles, are disclosed and described. The compositions comprise a water-based polymer resin and a drying control agent. The drying control agent minimizes the occurrence of cracks and swelling in the damping coating films when the coating films are baked and dried.Type: ApplicationFiled: March 30, 2007Publication date: October 2, 2008Inventors: Frank Hoefflin, Hua Ning, Patricia Heidtman
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Publication number: 20080213491Abstract: A method includes admixing a plurality of fluoropolymer chains, a plurality of basic metal oxide polymers, and a plurality of organic grafts. Each of the plurality of organic grafts includes a phenol end group, a linking group, and at least one silane end group. The phenol end groups of the organic grafts are reacted with the plurality of fluoropolymer chains to form a silane functionalized fluoropolymer.Type: ApplicationFiled: March 1, 2007Publication date: September 4, 2008Inventors: Carolyn Patricia Moorlag, Nan-Xing Hu, Yu Qi, Kathy Lynn De Jong
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Publication number: 20080188606Abstract: To provide a stable aqueous surface treating agent for architectural/civil engineering structures, which can impart excellent water repellency and oil repellency (water proofness and oil proofness), antifouling properties, weather resistance and durability thereof to structures made of architectural/civil engineering materials such as stones or concrete, particularly porous materials. The aqueous surface treating agent comprises at least one fluoropolymer (A) selected from a polyfluoroalkyl group-containing poly(meth)acrylate (A1) and a polyfluoroalkyl group-containing polyurethane (A2) in an aqueous medium. The aqueous surface treating agent usually contains a surfactant (B), and preferably contains a silicone (C), and further (D) a silane compound having a hydrolyzable group and/or a partially hydrolyzed condensate of a silane compound having a hydrolyzable group.Type: ApplicationFiled: February 28, 2008Publication date: August 7, 2008Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shigenori Asada, Hitoshi Ibuki, Takashige Maekawa, Kazunori Sugiyama
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Publication number: 20080188627Abstract: A method of making an organic solution of a chlorinated polyolefin that produces a storage-stable solution, a chlorinated polyolefin resin is dissolved in a hydrocarbon solvent that is predominantly aliphatic hydrocarbon, aromatic hydrocarbons other than toluene and xylene, or mixtures of these, held at a temperature from 118 to 125° C., for an adequate time for complete dissolution, then cooled and a cosolvent is added at a temperature below the boiling point of the cosolvent but at a temperature at which the chlorinated polyolefin solution is still clear or has little haziness. The solution can be used to prepare coatings, primers, inks, and adhesives, particularly for plastic substrates such as thermoplastic polyolefin.Type: ApplicationFiled: February 5, 2007Publication date: August 7, 2008Applicant: BASF CORPORATIONInventors: Gregory G. Menovcik, William H. Merritt
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Publication number: 20080176996Abstract: This invention relates to a latex polymer that when used in adhesive formulations exhibits a favorable level of peel and shear balance as well as a resistance to water whitening.Type: ApplicationFiled: December 20, 2007Publication date: July 24, 2008Inventor: Ralph Craig Even
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Publication number: 20080161468Abstract: A polyester composition comprising (a) a polyester derived from a diol and a diacid, (b) a fluoropolymer and (c) a carboxy reactive compound, where the polyester composition has a highly useful combination of (i) mechanical properties and (ii) melt strength is disclosed. Also disclosed is a process to prepare these compositions and articles therefrom.Type: ApplicationFiled: December 28, 2006Publication date: July 3, 2008Inventors: Vishvajit Chandrakant Juikar, Sreepadaraj Karanam
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Publication number: 20080153990Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent; an inorganic base; and an onium salt. The onium salt has a formula selected from the group consisting of formula (I) and formula (II); wherein Z is a nitrogen or phosphorous atom, R1 to R4 are independently alkyl or aryl groups containing between 2 and 8 carbon atoms, and the total number of carbon atoms on R1-R4 is between 10 and 14; wherein R5 and R6 are alkyl groups containing between 1 and 8 carbon atoms, and the total number of carbon atoms on R5-R6 being between 5 and 9; and wherein X is an anion.Type: ApplicationFiled: February 22, 2006Publication date: June 26, 2008Inventors: Raymond L. Laakso Jr., Gary R. Marchand
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Publication number: 20080139752Abstract: A fiber or filament which is formed from ingredients comprising (a) at least one fiber-forming thermoplastic polymer and (b) at least one polybrominated anionic styrenic polymer is provided. The polybrominated anionic styrenic polymer has a bromine content of at least about 50 wt %, and a GPC weight average molecular weight in the range of about 5000 to about 40,000, or a GPC weight average molecular weight of at least about 600,000. When the fiber-forming thermoplastic polymer is a polyester, the polybrominated anionic styrenic polymer is present in a flame resistant or flame retardant amount. When the fiber-forming thermoplastic polymer is a polyamide, the polybrominated anionic styrenic polymer is at least about 2 wt % of the fiber or filament. When the fiber-forming thermoplastic polymer is a polyolefin, at least one synergist is present and the polybrominated anionic styrenic polymer is no more than about 15 wt % of the fiber or filament.Type: ApplicationFiled: October 30, 2007Publication date: June 12, 2008Applicant: Albemarle CorporationInventors: Daniel A. De Schryver, Jon Shannon Reed, Douglas W. Luther, Samuel G. Thomas, Arthur G. Mack
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Publication number: 20080118691Abstract: Tensile strength after heat aged of articles molded from melt-fabricable perfluoropolymer is improved by incorporating polytetrafluoroethylene as dispersed submicrometer-size particles into the melt-fabricable perfluoropolymer.Type: ApplicationFiled: November 16, 2006Publication date: May 22, 2008Inventors: Ralph Munson Aten, Heidi Elizabeth Burch, Sharon Ann Libert
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Patent number: 7244407Abstract: A new, non-wrapping approach to solubilize nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated polymers that include functional groups for solubilizing such nanotubes. Various embodiments provide polymers that noncovalently bond with carbon nanotubes in a non-wrapping fashion. For example, various embodiments of polymers are provided that comprise a relatively rigid backbone that is suitable for noncovalently bonding with a carbon nanotube substantially along the nanotube's length, as opposed to about its diameter. In preferred polymers, the major interaction between the polymer backbone and the nanotube surface is parallel ?-stacking. The polymers further comprise at least one functional extension from the backbone that are any of various desired functional groups that are suitable for solubilizing a carbon nanotube.Type: GrantFiled: July 20, 2004Date of Patent: July 17, 2007Assignees: Zyvex Performance Materials, LLC, The University of Pittsburgh - of the Commonwealth System of Higher EducationInventors: Jian Chen, Haiying Liu
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Patent number: 7241496Abstract: A new, non-wrapping approach to functionalizing nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated polymers that include functional groups. Various embodiments provide polymers that noncovalently bond with carbon nanotubes in a non-wrapping fashion. For example, various embodiments of polymers are provided that comprise a relatively rigid backbone that is suitable for noncovalently bonding with a carbon nanotube substantially along the nanotube's length, as opposed to about its diameter. In preferred polymers, the major interaction between the polymer backbone and the nanotube surface is parallel ?-stacking. In certain implementations, the polymers further comprise at least one functional extension from the backbone that are any of various desired functional groups for functionalizing a carbon nanotube.Type: GrantFiled: July 20, 2004Date of Patent: July 10, 2007Assignees: Zyvex Performance Materials, LLC., The University of Pittsburgh — of the Commonwealth System of Higher EducationInventors: Jian Chen, Haiying Liu
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Patent number: 7160593Abstract: A multi-layered pipe of arbitrary length and cross-section is produced by co-extrusion of a lower polyolefin (C2–C4) outer body over the exterior surface of a tubular core of randomly, partially randomly, or blocky chlorinated lower polyolefin, the core having a wall thickness, measured in the radial direction, in the range from about 0.025 mm to 5 mm. The tubular core is coextensive with essentially the entire length of the pipe. The tubular core comprises a major proportion by weight of the randomly chlorinated polyolefin (r-CPO), or, partially randomly chlorinated polyolefin (pr-CPO), or, a blocky chlorinated polyolefin (b-CPO), any of which may be blended with a minor proportion by weight of a blending ingredient. The r-CPO, pr-CPO or b-CPO, or a blend thereof, each has an extrusion temperature in the same range as that for the corresponding non-halogenated polyolefin, namely in the range from about 150° C. to 250° C.Type: GrantFiled: July 9, 2003Date of Patent: January 9, 2007Assignee: Noveon, Inc.Inventors: Girish T. Dalal, Arthur L. Backman, Andrew M. Olah, Theodore J. Schmitz, Andrew L. Auvil, Michael D. Vaughn, James J. Dedrick
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Patent number: 7105620Abstract: An aqueous dispersion of a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of at least 2.2 g/L and a polyanion; a preparation process therefor; its use for coating; a printing ink containing the aqueous dispersion; an electro-conductive layer containing a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of at least 2.2 g/L and a polyanion derived from an aqueous dispersion thereof; and an antistatic layer containing a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of at least 2.Type: GrantFiled: May 12, 2004Date of Patent: September 12, 2006Assignee: Agfa GevaertInventors: Bert Groenendaal, Frank Louwet
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Patent number: 7030209Abstract: The present invention provides an energy curable composition including a compound having an aromatic or heteroaromatic moiety; at least two fluorinated alkylene, arylene or polyether moieties, each fluorinated alkylene, arylene or polyether moiety being linked to the aromatic or heteroaromatic moiety through an ether or thioether; and at least one ethylenically unsaturated moiety, each ethylenically unsaturated moiety being linked to one of the fluorinated alkylene, arylene or polyether moieties. The present invention also provides an energy curable composition including a compound having an isocyanurate moiety, three fluorinated alkylene, arylene, or polyether moieties linked to the isocyanurate moiety at the nitrogens of the isocyanurate, and at least one ethylenically unsaturated moiety linked to one of the fluorinated alkylene, arylene, or polyether moieties. The present invention further provides polymeric materials and optical devices made using these compositions.Type: GrantFiled: February 4, 2002Date of Patent: April 18, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Blomquist, Jian Ming S. Deng
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Patent number: 6995223Abstract: An aqueous dispersion of a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of at least 2.2 g/L and a polyanion; a preparation process therefor; its use for coating; a printing ink containing the aqueous dispersion; an electro-conductive layer containing a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of at least 2.2 g/L and a polyanion derived from an aqueous dispersion thereof; and an antistatic layer containing a copolymer of at least one 3,4-alkylenedioxy-thiophene compound with a solubility in water at 25° C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25° C. of at least 2.Type: GrantFiled: December 17, 2002Date of Patent: February 7, 2006Assignee: Agfa-GevaertInventors: Bert Groenendaal, Frank Louwet
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Patent number: 6943232Abstract: The present invention provides an energy curable composition including a compound having an aromatic or heteroaromatic moiety; at least two fluorinated alkylene, arylene or polyether moieties, each fluorinated alkylene, arylene or polyether moiety being linked to the aromatic or heteroaromatic moiety through an —O— or —S— linkage; and at least one ethylenically unsaturated moiety, each ethylenically unsaturated moiety being linked to one of the fluorinated alkylene, arylene or polyether moieties. The present invention also provides an energy curable composition including a compound having an isocyanurate moiety, three fluorinated alkylene, arylene, or polyether moieties linked to the isocyanurate moiety at the nitrogens of the isocyanurate, and at least one ethylenically unsaturated moiety linked to one of the fluorinated alkylene, arylene, or polyether moieties. The present invention further provides polymeric materials and optical devices made using these compositions.Type: GrantFiled: September 23, 2002Date of Patent: September 13, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Blomquist, Jian Ming S. Deng
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Patent number: 6905667Abstract: A new, non-wrapping approach to functionalizing nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated polymers that include functional groups. Various embodiments provide polymers that noncovalently bond with carbon nanotubes in a non-wrapping fashion. For example, various embodiments of polymers are provided that comprise a relatively rigid backbone that is suitable for noncovalently bonding with a carbon nanotube substantially along the nanotube's length, as opposed to about its diameter. In preferred polymers, the major interaction between the polymer backbone and the nanotube surface is parallel ?-stacking. In certain implementations, the polymers further comprise at least one functional extension from the backbone that are any of various desired functional groups for functionalizing a carbon nanotube.Type: GrantFiled: December 13, 2002Date of Patent: June 14, 2005Assignees: Zyvex Corporation, The University of PittsburghInventors: Jian Chen, Haiying Liu
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Patent number: 6858666Abstract: A method forms self-sustaining particles that comprise a hydrophobic (oleophilic) phase in particulate form, with no need for a rigid shell to encapsulate the phase, and usually with no shell present. The oleophilic phase contains a gelation agent, and preferably an organogelation agent. The particles may be stored alone or in a minor amount (e.g., less than 40% by volume) of water to assist their stability and act as a barrier against their coalescence. These water-separated compositions are not necessarily dispersions or suspensions, but may be merely particles in an aqueous storage environment. The particles have prolonged stability and can be readily, simply, and inexpensively formed. A simple method of manufacture comprises forming a solution of the ingredients (e.g., at least the oleophilic material and gelation agent) at a temperature above their gelation temperature, forming droplets or molten, or liquid or flowable particles of the solutions, and cooling the droplets to form the particulates.Type: GrantFiled: March 4, 2002Date of Patent: February 22, 2005Assignee: Aveka, Inc.Inventors: Monica A. Hamer, William A. Hendrickson, Gordon R. Pryor
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Patent number: 6794476Abstract: Provided are a propylene homopolymer in which a melt tension (MT), a Z average molecular weight (Mz) and a melt index (MI) (g/10 minutes) are specifically related and in which a difference in eluting temperatures and a maximum eluting temperature in programmed temperature fractional chromatography and a propylene copolymer in which a comonomer is specific &agr;-olefin and a content thereof falls in a specific range and in which a melt tension (MT), a Z average molecular weight (Mz) and a melt index (MI) (g/10 minutes) are specifically related. The propylene homopolymer or the propylene copolymer of the present invention has physical properties equivalent to or not lower than those of conventional propylene polymers, and it can be controlled in a melt tension and is suited to foaming molding, sheet molding and blow molding.Type: GrantFiled: March 19, 2002Date of Patent: September 21, 2004Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Shuji Machida, Takashi Saeki, Tomio Tatsumi
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Publication number: 20040138377Abstract: Provided is a thermoplastic resin structure formed of a resin composition that comprises substantially (a) from 5 to 80% by volume of a polyolefin resin and (b) from 20 to 95% by volume of a polyphenylene sulfide resin, which is characterized in that, in morphology therein seen through electronic microscopy, the polyphenylene sulfide resin (b) forms a matrix phase (continuous phase) and the polyolefin resin (a) forms a disperse phase. The thermoplastic resin structure gives plastic containers, tubes and their Attached parts having good barrier properties, strength, durability and workability.Type: ApplicationFiled: November 17, 2003Publication date: July 15, 2004Applicant: Toray Industries, Inc. a corporation of JapanInventors: Hideo Matsuoka, Mitsushige Hamaguchi, Kazuhiko Kobayashi, Akira Todo, Taku Koda
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Patent number: 6723758Abstract: Graft polymeric membranes and methods for making graft polymeric membranes have one or more trifluorovinyl aromatic monomers that are radiation graft polymerized to a polymeric base film. The membranes comprise a polymeric base film to which has been graft polymerized substituted &agr;,&agr;,&bgr;-trifluorostyrene and/or &agr;,&agr;,&bgr;-trifluorovinylnaphthylene monomers, which are activated towards graft polymerization. As ion-exchange membranes, the membranes are suitable for use in electrode apparatus, including membrane electrode assemblies in, for example, fuel cells. The membranes can also be crosslinked.Type: GrantFiled: August 21, 2001Date of Patent: April 20, 2004Assignee: Ballard Power Systems Inc.Inventors: Charles Stone, Alfred E. Steck, Biswajit Choudhury
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Publication number: 20040034177Abstract: A new, non-wrapping approach to solubilize nanotubes, such as carbon nanotubes, in organic and inorganic solvents is provided. In accordance with certain embodiments, carbon nanotube surfaces are functionalized in a non-wrapping fashion by functional conjugated polymers that include functional groups for solubilizing such nanotubes. Various embodiments provide polymers that noncovalently bond with carbon nanotubes in a non-wrapping fashion. For example, various embodiments of polymers are provided that comprise a relatively rigid backbone that is suitable for noncovalently bonding with a carbon nanotube substantially along the nanotube's length, as opposed to about its diameter. In preferred polymers, the major interaction between the polymer backbone and the nanotube surface is parallel &pgr;-stacking. The polymers further comprise at least one functional extension from the backbone that are any of various desired functional groups that are suitable for solubilizing a carbon nanotube.Type: ApplicationFiled: September 24, 2002Publication date: February 19, 2004Inventor: Jian Chen
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Publication number: 20030236357Abstract: Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.Type: ApplicationFiled: June 23, 2003Publication date: December 25, 2003Inventors: George Richard Chapman, Steven Richard Oriani
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Publication number: 20030236351Abstract: The present invention provides a positive resist composition comprising a resin which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, an acid generator, and multifunctional epoxy compound, wherein the content of halogen atoms in the resin is 40% by weight or more, at least one of structural units constituting the resin is a structural unit having an alicyclic hydrocarbon skeleton, and the structural unit having an alicyclic hydrocarbon skeleton contains therein at least one group rendering the resin soluble in an alkali aqueous solution by the action of an acid, and at least one halogen atom.Type: ApplicationFiled: April 2, 2003Publication date: December 25, 2003Inventors: Kouji Toishi, Yoshiko Miya, Yasunori Uetani
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Patent number: 6649733Abstract: Latexes are thickened by compounds of the formula: R1—(O—A)a—B1—R2—(B2—R3)d—(B3—(A′—O)b-f—(A′—B4)f—R4—(B5—R5)e)n—B6—(A″O)c—R6 wherein: R1 and R6 are monovalent hydrophobic groups independently selected from the group consisting of an aliphatic group, a substituted aliphatic group, an aromatic group, and a substituted aromatic group; R2 and R4 are independently selected from the group consisting of aliphatic, substituted aliphatic, aromatic, or substituted aromatic radicals, each radical being divalent or trivalent; R3 and R5 are independently selected from hydrogen, lower alkyl and lower aralkyl; B1, B2, B3, B4, B5, and B6 are linking groups independently selected from the group consisting of an oxygen atom (to form the ether linkage —O—), a carboxylate group (to form an ester linkage R2—C(O)—O— and/or R4—C(O)—O—), an amino group (to formType: GrantFiled: May 9, 1994Date of Patent: November 18, 2003Assignee: Cognis CorporationInventors: Michael S. Wiggins, Reuben H. Grinstein
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Patent number: 6600007Abstract: A bromine-containing, hydroxy-functional copolymer is prepared from an initiator that is solid at room temperature and has at least one bromone atom. The initiator is reacted with an effective amount of lactone monomers, optionally in the presence of a catalyst, to establish a bromine-containing, hydroxy-functional copolymer that is a liquid at room temperature. The copolymer of this invention may be used as liquid reactive flame retardant and, in the event the copolymer is polyfunctional, as a crosslinker.Type: GrantFiled: March 27, 2001Date of Patent: July 29, 2003Assignee: Southwest Distributing Co.Inventors: Herry (Z-X) Chen, Edward J. Lyszczek
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Patent number: 6531147Abstract: An improved barrier or drug delivery system which is highly adherent to the surface to which it is applied is disclosed, along with methods for making the barrier. In the preferred embodiment, the system is compliant, in that it is capable of conforming to the three dimensional structure of a tissue surface as the tissue bends and deforms during healing processes. The barrier or drug delivery systems is formed as a polymeric coating on tissue surfaces by applied a polymerizable monomer to the surface, and then polymerizing the monomer. The polymerized compliant coating preferably is biodegradable and biocompatible, and can be designed with selected properties of compliancy and elasticity for different surgical and therapeutic applications.Type: GrantFiled: November 7, 2001Date of Patent: March 11, 2003Assignee: Focal, Inc.Inventors: Amapreet S. Sawhney, Michelle D. Lyman, Peter K. Jarrett, Ronald S. Rudowsky
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Publication number: 20020177672Abstract: In the resin-molded articles comprising polyolefin resins (a) and thermoplastic resins other than the polyolefin resins (b), when thickness is defined as one along a direction vertical to the surface of the article, as morphology observed under an electron microscope in the article, a portion where the polyolefin resin (a) forms a continuous phase (A), a portion where the resin other than the polyolefin resin (b) forms the continuous phase and the polyolefin resin (a) forms a discontinuous phase (B), and a portion where the polyolefin resin (a) forms the continuous phase (A) are successively observed in order from the surface toward the inside along the thickness direction, such molded articles having nature such as toughness and fabrication quality inherent to the polyolefin resins and improved appreciably in resistance to permeation of liquid chemicals and gases.Type: ApplicationFiled: March 15, 2002Publication date: November 28, 2002Inventors: Hideo Matsuoka, Mitsushige Hamaguchi, Kazuhiko Kobayashi
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Publication number: 20020143139Abstract: A bromine-containing, hydroxy-functional copolymer is prepared from an initiator that is solid at room temperature and has at least one bromine atom. The initiator is reacted with an effective amount of lactone monomers, optionally in the presence of a catalyst, to establish a bromine-containing, hydroxy-functional copolymer that is a liquid at room temperature. The copolymer of this invention may be used as liquid reactive flame retardant and, in the event the copolymer is polyfunctional, as a crosslinker.Type: ApplicationFiled: March 27, 2001Publication date: October 3, 2002Inventors: Herry (Z-X) Chen, Edward J. Lyszczek
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Patent number: 6348517Abstract: A method of preparing a sterile article is disclosed. A polymer having a halogen-containing repeating unit is prepared that contains about 0.Type: GrantFiled: September 1, 2000Date of Patent: February 19, 2002Assignee: Oxy Services, Inc.Inventors: Qi Wang, Sandor Nagy
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Patent number: 6265483Abstract: The invention relates to polyazacycloalkanes having 3, 4 or 5 nitrogen atoms, tri-, tetra- or penta-azamacrocyclic transition metal complexes and processes for the production of said polyazacycloalkanes. The object of the invention is to form polyazacycloalkanes able to trap metal cations and in particular U, Pu, Am, Ce, Eu, Al, Gd, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ag, Cd, Sn, Au, Mg or Pb or complexes able to trap in particular oxygen in a gaseous mixture. The invention more particularly applies to the treatment of liquid effluents from nuclear power stations.Type: GrantFiled: November 12, 1998Date of Patent: July 24, 2001Assignee: Commissariat a l'Energie AtomiqueInventors: Roger Guilard, Hervé Chollet, Philippe Guiberteau, Panayotis Cocolios
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Patent number: 6194615Abstract: The present invention relates to the composition, process of preparation, and use of novel derivatives prepared from 1,5-bis-(4′-carbomethoxyphenyl)-1,4-pentadien-3-one. These novel compositions can act as crosslinkers with polyfunctional monomeric, oligomeric, and/or polymeric anhydrides, esters, carboxylic acids, isocyantes, epoxies, carbonates, acetoacetates, and alkoxylated melamines.Type: GrantFiled: June 17, 1999Date of Patent: February 27, 2001Assignee: Eastman Chemical CompanyInventors: Philip Conrad Heidt, Matthew Lynn Elliott
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Patent number: 6174933Abstract: Radiation polymerizable vinylether-based compositions, and cured vinylether-based formulations having a predetermined balance of tack, peel and shear particularly suitable for use in pressure sensitive adhesives are described.Type: GrantFiled: April 8, 1999Date of Patent: January 16, 2001Assignee: ISP Investments Inc.Inventors: James A. Dougherty, John McKittrick, Arvind M. Mathur
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Patent number: 5973075Abstract: Methods for preparing rigid-rod macromonomers having a polyaromatic backbone, solubilizing side groups, and reactive end groups are provided. Such methods include catalytic reductive coupling of substituted 1,4-dihaloaromatic compounds in the presence of an endcapping moiety.Type: GrantFiled: June 8, 1998Date of Patent: October 26, 1999Assignee: Maxdem IncorporationInventors: Robert R. Gagne, Matthew Louis Marrocco, III, Mark Steven Trimmer, Neil H. Hendricks
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Patent number: 5955567Abstract: Cross-linked cationic polymers are prepared by alkylating a polyaminoalide with 5 to 30 mole percent, relative to the amount of nitrogen available for alkylation, of a quaternary ammonium alkylating agent and cross-linking the resulting alkylated polyaninoamide with a molar amount of epichlorohydrin corresponding to the non-quaternized nitrogen content. The cross-linked cationic polymers are suitable for use as wet-strength resins in the treatment of paper.Type: GrantFiled: January 8, 1998Date of Patent: September 21, 1999Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Joaquim Bigorra Llosas, Rafael Pi Subirana
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Patent number: 5856412Abstract: A crosslinking system which includes a 1,2,4-trioxacycloheptane and a crosslink-promoting polyfunctional ethylenically unsaturated compound. This system is employed in a process of crosslinking a thermoplastic polymer. Preferred polymers, useful in this process, include ethylene homopolymers and copolymers.Type: GrantFiled: May 2, 1997Date of Patent: January 5, 1999Assignee: Witco CorporationInventors: Lawrence A. Bock, Roger N. Lewis
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Patent number: 5851966Abstract: Compositions of matter for use in oils and fuels are disclosed. The compositions arise from reaction products (C) formed by reacting substituted carboxylic acylating agents (A) with carboxylic reactants (B). The reactant (A) is usually a polyolefin substituted succinic anhydride or acid which is reacted with (B). (B) is usually a glyoxylic compound. Carboxylic reaction products (C) may further be reacted to form succinimide dispersants, esters or other derivatives. Products (C) may also be reacted with an .alpha.-.beta. unsaturated compound to form second carboxylic reaction products.Type: GrantFiled: June 5, 1997Date of Patent: December 22, 1998Assignee: The Lubrizol CorporationInventors: Mark R. Baker, Paul E. Adams, Jeffry G. Dietz
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Patent number: 5830945Abstract: Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive side groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger, stiffened polymers.Type: GrantFiled: August 23, 1996Date of Patent: November 3, 1998Assignee: Maxdem, IncorporatedInventors: Robert R. Gagne, Matthew Louis Marrocco, III, Mark Steven Trimmer, Neil H. Hendricks
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Patent number: 5804640Abstract: A water-based coating composition and methods of making and using the same are disclosed. The composition includes a halogenated resin, a polyol, a surfactant, and an amine. It is suitable for coating a variety of substrates including polyolefinic substrates such as polypropylene, and operates without aromatic organic solvents.Type: GrantFiled: February 7, 1995Date of Patent: September 8, 1998Assignee: A-Line Products CorporationInventors: Alger E. Laura, Ronald J. Easton, Kurt C. Frisch, Han X. Xiao
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Patent number: 5670564Abstract: Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive end groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger, stiffened polymers.Type: GrantFiled: June 1, 1995Date of Patent: September 23, 1997Assignee: Maxdem IncorporatedInventors: Robert R. Gagne, Matthew Louis Marrocco, III, Mark Steven Trimmer, Neil H. Hendricks
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Patent number: 5654370Abstract: Ethylene, alpha-olefin, non-conjugated bicyclic diene elastomeric polymers and/or polymer blends when compounded and formed into a calendered sheet, show surprising improvements for the combination in both green strength and peel adhesion in the unvulcanized state. Such green strength and peel adhesion provide benefits during calendering operations and subsequent joining of calendered sheets, while the compounded elastomeric polymers are in their green or unvulcanized state.Type: GrantFiled: August 8, 1996Date of Patent: August 5, 1997Assignee: Exxon Chemical Patents Inc.Inventors: Sudhin Datta, Periagaram S. Ravishankar, Lawrence George Kaufman
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Patent number: 5637664Abstract: Polymeric, catalytically-active compounds having imidazole groups linked terminally and/or laterally to the polymer chain through reactive groups on the polymer chain are disclosed. The polymer chain is selected from the group consisting of polyether ketones; acidic, basic, or neutral ion exchange resins; polymeric isocyanates; polymers or copolymers containing maleic acid or maleic anhydride; and polymers containing benzyl halide groups.Type: GrantFiled: June 1, 1995Date of Patent: June 10, 1997Assignee: BASF AktiengesellschaftInventors: Bernd Bruchmann, Roland Minges, Christian Schade, Konrad Stiefenhoefer
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Patent number: 5625010Abstract: Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive side groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger, stiffened polymers.Type: GrantFiled: June 2, 1995Date of Patent: April 29, 1997Assignee: Maxdem IncorporatedInventors: Robert R. Gagn e, Matthew L. Marrocco, III, Mark S. Trimmer, Neil H. Hendricks
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Patent number: 5625004Abstract: A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of succinic groups per alkenyl group is greater than 1.2 which comprises:(a) reacting a polyolefin having an alkylvinylidene isomer content of less than about 10 percent and a number average molecular weight of about 500 to 5000 with maleic anhydride at a temperature in the range of about 200.degree. C. to 250.degree. C. to provide a mixture of alkenyl succinic anhydride having an average of about 1.0 succinic group per alkenyl group and unreacted polyolefin, and(b) reacting the mixture of alkenyl succinic anhydride and unreacted polyolefin from step (a) with maleic anhydride in the presence of a free radical initiator at a temperature in the range of about 100.degree. C. to 220.degree. C. to thereby provide an alkenyl succinic anhydride having an average of greater than 1.2 succinic groups per alkenyl group.Type: GrantFiled: July 23, 1992Date of Patent: April 29, 1997Assignee: Chevron Research and Technology CompanyInventors: James J. Harrison, William R. Ruhe, Jr.
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Patent number: 5587424Abstract: Novel vulcanizable mixtures comprising silicone-core, acrylate-shell rubber particles dispersed within a fluorocarbon rubber.Type: GrantFiled: June 1, 1995Date of Patent: December 24, 1996Assignee: Bayer AktiengesellschaftInventors: Gerhard Langstein, Ralf Kr uger, Karl-Erwin Piejko, Ulrich Eisele, Leo Morbitzer