Ester Is Derived From A Polyol Patents (Class 525/305)
  • Patent number: 6541543
    Abstract: An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and has proximal reactive groups. The free reactive groups are capable of reacting with active moieties in a biologically active agent such as a protein or peptide thus forming conjugates between the activated poly(ethylene glycol) and the biologically active agent.
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: April 1, 2003
    Assignee: Shearwater Corporation
    Inventors: J. Milton Harris, Antoni Kozlowski
  • Publication number: 20030045644
    Abstract: A composition, comprising, in a physiologically acceptable medium, at least one polymer with a highly specific ordered structure is disclosed. These compositions find a specific application in the field of caring for or making up keratinous fibers, in particular as a mascara composition for the eyelashes or for the hair.
    Type: Application
    Filed: September 20, 2002
    Publication date: March 6, 2003
    Applicant: L'Oreal
    Inventor: Nathalie Mougin
  • Patent number: 6492462
    Abstract: The rheological properties of a crosslinkable resin system are modified by the presence of a side chain crystalline (SCC) polymer (or a similar crystalline polymer which melts over a narrow temperature range). The polymer dissolves in the curable system at temperatures above the melting point of the crystalline polymer (Tp), but when the system is then cooled to a temperature below Tp, at least partially forms a separate phase in the curable system. Below Tp, this separate phase substantially increases the viscosity of the curable system (i.e. makes it thicker than the same system without the crystalline polymer). This is particularly valuable for sheet molding composites (SMCs) in which the increase in viscosity makes the composites less tacky, and for dry film resists (DFRs). Above Tp, the curable system containing the dissolved crystalline polymer has a viscosity which is substantially less than its viscosity below Tp.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: December 10, 2002
    Assignee: Landec Corporation
    Inventors: Steven P. Bitler, David D. Taft, Ray F. Stewart
  • Patent number: 6476133
    Abstract: A process for preparing a solution of high molecular weight polymers of conjugated dienes in a vinylaromatic hydrocarbon by anionic polymerization of the diene in the presence of an alkyllithium as catalyst and a process for preparing impact-modified polymers of vinylaromatic compounds is described. The first process comprises firstly polymerizing the diene in solution in an aromatic hydrocarbon which is free of ethylenic double bonds to a molecular weight below about 105, then adding a trialkylaluminum in a molar excess relative to the alkyllithium, diluting the solution obtained with the vinylaromatic compound and then coupling the polydiene with a polyepoxide or an alkyl (meth)acrylate to give a high molecular weight polymer. The solution obtained in this way is further processed to give an impact-modified polymer of a vinylaromatic hydrocarbon by polymerizing the solution prepared as described, if desired after addition of further amounts of a vinylaromatic compound, in a manner known per se.
    Type: Grant
    Filed: September 11, 2001
    Date of Patent: November 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Jüngling, Hermann Gausepohl, Volker Warzelhan
  • Patent number: 6476103
    Abstract: The present invention deals with a novel photochromic organic material, the use of at least one plasticizer for the preparation of said novel material, said preparation and photochromic articles constituted wholly or in part of said novel material. The intervening plasticizer, advantageously a phthalate, is according to a variant simply dispersed in the polymer matrix, or, according to another variant, chemically bound to said polymer matrix. Said novel material possesses remarkable photochromic properties together with interesting optical and mechanical properties.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: November 5, 2002
    Assignee: Corning Incorporated
    Inventors: Bruno Baney, David Henry
  • Patent number: 6462129
    Abstract: The invention relates to a thermoplastic composition comprising: a matrix-forming thermoplastic polymer (M), rigid nodules obtained by radical polymerization, and optionally an impact modifier (S). It also relates to a process comprising, in a first stage, forming a homogeneous solution of precursor of the nodules in the thermoplastic (M) in the molten state, in a second stage, introducing the initiator while remaining at a temperature below which the initiator becomes active, and, in a third stage, heating to a temperature sufficient to cause crosslinking of the precursor and to form rigid nodules while kneading the composition, the impact modifier being introduced during the first or the second stage.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: October 8, 2002
    Assignee: Atofina
    Inventors: Denis Bertin, Alain Bouilloux, Laurent Teze, Thierry Vivier
  • Patent number: 6451927
    Abstract: The present invention relates to adhesive and sealant compositions in non-flowable form. More particularly, the present invention relates to non-flowable adhesive and sealant compositions which are particularly useful in the threadlocking and sealing applications and which can be packaged in a convenient pocket-sized applicator dispenser.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: September 17, 2002
    Assignee: Loctite Corporation
    Inventors: Hans Haas, Matthew Burdzy
  • Patent number: 6444758
    Abstract: The surface energy of polymeric substrates is increased by the application or incorporation of novel amphiphilic block copolymers. The block copolymer additives comprise a linear hydrophilic polymer or oligomer and a random hyperbranched polymer or oligomer and is completely or partially terminated with lipophilic end groups. The polymeric articles or constructions which benefit from the application or incorporation of the amphiphilic block copolymers in the areas of anti-fog, dissipation of static electricity, paintability, dyeability, printability, wicking of moisture, adhesion and polymer compatibility include carpet fibers, composite fibers, agricultural films, nonwoven coverstock, exterior automotive bumper fascia, packaging, hygienic products, incompatible polymer blends, laminated articles and eyewear.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: September 3, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: John James McNamara, Anunay Gupta, David Devore
  • Patent number: 6444355
    Abstract: A lithium ion battery comprising a positive electrode 1, a negative electrode 4 and a separator 7 for retaining an electrolyte, characterized in that as an adhesive 8 for bonding said positive electrode 1 to said separator 7 and said negative electrode 4 to said separator 7 there is used a thermosetting adhesive comprising a mixture of at least one organic vinyl compound containing two or more vinyl groups per molecule, a reaction catalyst and a volatile organic solvent.
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: September 3, 2002
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Michio Murai, Takayuki Inuzuka, Yasuhiro Yoshida, Kouji Hamano, Hisashi Shiota, Shigeru Aihara, Syo Shiraga
  • Publication number: 20020099119
    Abstract: The present invention relates to water-borne ceramer compositions capable of being cured to form antistatic, abrasion resistant ceramers. The ceramer compositions comprise water having dispersed or dissolved therein a plurality of colloidal silica particles, a binder precursor, and an electrically conductive organic polymer. The present invention also relates to ceramer articles, for example, ceramer coatings and shaped ceramer particles made from the ceramer compositions and to methods of making the ceramer compositions and ceramer articles.
    Type: Application
    Filed: May 27, 1999
    Publication date: July 25, 2002
    Inventors: BRADLEY D. CRAIG, ZAYN BILKADI
  • Patent number: 6417242
    Abstract: The present invention relates to a foam, a process for preparing the foam and an article containing the foam. The foam contains a coupled propylene polymer and has a density in of from 9.6 to 801 kg/m3 and has either a foamability factor of more than 1.8 to less than 2.8 and an open cell content less than 20 percent, or a foamability factor of at least 2.8 and less than 15 and an open cell content of less than 50 percent. The process includes heating a coupled propylene polymer having a melt flow rate from 0.2 to 20 g/10 min and a melt strength of at least 39 cN to a molten state to produce a molten polymer material and mixing said molten polymer material with a blowing agent under conditions to produce a foamed material having a density in the range of from 9.6 to 801 kg/m3.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: July 9, 2002
    Assignee: Dow Global Technologies Inc.
    Inventors: Kevin R. Hughes, Robert L. Sammler, Kyung W. Suh, Jin Zhao, Johan A. Thoen, Martin H. Tusim
  • Patent number: 6413464
    Abstract: Provided are a rubber composition for injection molding with which it is possible to prevent scorching by ensuring the fluidity of the rubber composition needed for injection molding to suppress a temperature rise of the composition in an injection cylinder, without impairing the performance characteristics of a vulcanized product, as well as a golf ball using the rubber composition and its producing method. The rubber composition for injection molding includes a diene rubber, a crosslinking agent, an &agr;, &bgr;-unsaturated carboxylic acid and/or metal salt thereof, and &agr;, &bgr;-unsaturated carboxylic alkylester. The ratio of the total amount of the unsaturated carboxylic acid and the metal salt to the content of the alkylester ranges from 1.0 to 12.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: July 2, 2002
    Assignee: Sumitomo Rubber Industries, Limited
    Inventor: Hiroaki Tanaka
  • Patent number: 6407179
    Abstract: An acrylic rubber comprising at least 0.1 and less than 3 wt % of monomer units of ethylene, from 0 to 10 wt % of monomer units of a cross-linkable monomer, and more than 87 and not more than 99.9 wt % of monomer units of at least one alkyl acrylate.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: June 18, 2002
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Shogo Hagiwara, Yasushi Abe, Masao Koga
  • Patent number: 6372828
    Abstract: Flame retardant compositions useful as insulation for 150° C.-rated wire and cable applications are provided. The compositions of the invention utilize an ethylene-alkyl acrylate copolymer base resin with a two-component stabilizer package consisting of a zinc salt of a mercaptobenzimidazole and an aromatic secondary amine compound. Also, included to achieve the requisite flame retardance, crosslinkability and physical properties are a brominated flame retardant, antimony trioxide, a hydrated inorganic filler and a chemical crosslinking agent.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: April 16, 2002
    Assignee: Equistar Chemicals, LP
    Inventor: Lester Y. Lee
  • Patent number: 6337374
    Abstract: There is a need for halogen-free polymeric compositions for utilization in gaskets and seals that offers high tensile strength and high tear strength as well as good resistance to compression set. Seals for automotive body applications, such as, windows, hoods, trunks, and doors, and building applications, such as window glazing gaskets and weather strips, should be dimensionally stable, provide low compression set, and offer outstanding sealing characteristics over a broad temperature range. They must be capable of sealing out noise, wind and water, while providing long-term ultraviolet light resistance.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: January 8, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Hung Dang Ngoc, Agnés Marie Madeleine Louise DeLoor
  • Patent number: 6280557
    Abstract: A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking film or label may have microperforated or micro-rough edges which initiate tearing when removal is attempted. The article maintains flexibility and film strength for easy fabrication in graphic marking film or label manufacture.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: August 28, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Richard L. Peloquin, Albert I. Everaerts, Kenneth D. Wilson, Stephen J. Galick
  • Patent number: 6281294
    Abstract: The present invention provide a golf ball which can improve the mold releasing property in a press molding to ensure an increased productivity without decreasing a flight performance and durability. The golf ball has a part including a vulcanized rubber composition. The vulcanized rubber composition includes 100 parts by weight of a base rubber and 100 parts by weight or less of unsaturated carboxylic acid compounds. The unsaturated carboxylic acid compounds includes Component (A) of magnesium (meth) acrylate, and Component (B) of &agr;, &bgr;-unsaturated carboxylic alkyl ester. The content ratio of the Component (A) to the Component (B) (A/B) is 0.2 to 4.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: August 28, 2001
    Assignee: Sumitomo Rubber Industries Limited
    Inventor: Hiroaki Tanaka
  • Patent number: 6248838
    Abstract: A rigid chain entanglement crosslinked polymer made by dispersing at lease one monomer and at least one initiator in an immiscible liquid medium to form a liquid dispersion; and decomposing the initiator in the fluid dispersion to activate polymerization and thereby produce a chain entanglement crosslinked polymer; and the polymer that can be utilized as proppants, as ball bearings, as lubriglide monolayers, and for drilling mud applications
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: June 19, 2001
    Assignee: Sun Drilling Products Corp.
    Inventor: Robert L. Albright
  • Patent number: 6221991
    Abstract: Polar polymers having the following formula: FG-(Q)d-Rn-Z-J-[A(R1R2R3)]x   (I) wherein FG is H or a protected or non-protected functional group; Q is a polar hydrocarbyl group derived by incorporation of a polar compound selected from group consisting of esters, amides, and nitrites of acrylic and methacrylic acid, and mixtures thereof; d is an integer from 10 to 2000; R is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons, alkenylsubstituted aromatic hydrocarbons, and mixtures thereof; n is an integer from 0 to 5; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; J is oxygen, sulfur, or nitrogen; [A(R1R2R3)]x is a protecting group, in which A is an element selected from Group IVa of the Periodic Table of Elements; R1, R2, and R3 are each independently selected from the group consisting
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: April 24, 2001
    Assignee: FMC Corporation
    Inventors: Robert J. Letchford, James A. Schwindeman, Conrad W. Kamienski, Roderic P. Quirk
  • Patent number: 6210517
    Abstract: A radiation curable precursor coating composition for the preparation of a non-blocking, heat activatable adhesive includes a curable acrylic material, a curable elastomeric material, and a hydrocarbon tackifier material having a softening temperature ranging from approximately 50° C. to approximately 200° C., wherein when the acrylic material and the elastomeric material are cured, the coating composition is non-blocking at room temperature, but when the coating composition is heated to a temperature above both the softening temperature of the hydrocarbon tackifier and the Tg of the coating composition, the coating composition becomes adhesive.
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: April 3, 2001
    Assignee: Diversified Chemical Technologies, Inc.
    Inventors: Rajan Eadara, Mooil Chung, David Wen-Lung Chang, Weichen Chi
  • Patent number: 6191230
    Abstract: A masterbatch composition comprising: (a) a copolymer of ethylene and 1-octene prepared with a metallocene catalyst; (b) as a scorch inhibitor, a substituted hydroquinone; 4,4′-thiobis(2-methyl-6-t-butylphenol); 4,4′-thiobis(2-t-butyl-5-methylphenol); or mixtures thereof; (c) as a cure booster, triallyl trimellitate; 3,9-divinyl-2,4,8,10-tetra-oxaspiro[5.5]undecane; triallylcyanurate; triallyl isocyanurate; or mixtures thereof; and (d) an organic peroxide.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: February 20, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Michael John Keogh, Jinder Jow
  • Patent number: 6147170
    Abstract: A novel plasticizer composition is disclosed which comprises an ethylene copolymer combined with a reactive ultraviolet (UV) absorbing agent by reaction. Useful UV absorbing agents include homopolymers and copolymers of vinyl-functionalized monomer of benzotriazole, benzophenone, or benzophenolate. A process for preparing this novel plasticizer composition is also provided.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: November 14, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: George Henry Hofmann
  • Patent number: 6077903
    Abstract: There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels to display excellent heat and ultraviolet light resistance. This invention discloses a continuous process for preparing a rubbery polymer which can be blended with polyvinyl chloride to make leathery compositions having good heat and ultraviolet light resistance. This technique involves utilizing a multiple continuous reactor system wherein a first phase monomer solution containing butyl acrylate, an acrylic monomer, acrylonitrile and a crosslinking agent is continuously charged into at least three initial reactors. To attain a small particle size, it is necessary to limit the solids content in each of these initial reactors.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: June 20, 2000
    Assignee: The Goodyear Tire Rubber Company
    Inventor: Hung Dang Ngoc
  • Patent number: 6075094
    Abstract: A methyl methacrylic resin composition comprising:(A) 30 to 60% by weight of an unsaturated monomer mixture comprising an unsaturated monomer having at least two double bonds which can effect radical polymerization,(B) 40 to 70% by weight of resin particles made of a polymer of a methyl methacrylic unsaturated monomer comprising (i) 20 to 100 parts by weight of partially cross-linked resin particles and (ii) 0 to 80 parts by weight of uncross-linked resin particles and(C) 0.1 to 5% by weight of a radical polymerization initiator, is provided. The resin composition has an excellent handling property, generates little odor, and can be easily molded. The methyl methacrylic resin composition gives a molded article which has a high transparency, a high hardness of the surface and an excellent scratch-resistance. The molded article may be preferably used as a lamp cover.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: June 13, 2000
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventor: Yoshihide Amekawa
  • Patent number: 6060566
    Abstract: Graft polymers are obtainable by free radical polymerization of(A) monomers or monomer mixtures comprising(a) from 1 to 100% by weight of N-vinylcarboxamides of the formula ##STR1## where R.sup.1 and R.sup.2 are each H or C.sub.1 -C.sub.6 -alkyl, (b) from 0 to 99% by weight of other monoethylenically unsaturated monomers copolymerizable with the monomers (a) and(c) from 0 to 5% by weight of monomers having at least two ethylenically unsaturated, nonconjugated double bonds in the molecule,in the presence of(B) polymers which contain units of vinyl esters of saturated C.sub.1 -C.sub.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: May 9, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Denzinger, Martin Rubenacker, Claudia Nilz, Primoz Lorencak, Dietmar Monch, Rudolf Schuhmacher, Andreas Stange
  • Patent number: 6048611
    Abstract: The present invention relates to a water-based high-solids moisture-resistant latex pressure sensitive adhesive which has a low coating viscosity and which has high shear, high compliance, and controlled adhesion buildup.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: April 11, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Ying-Yuh Lu, Michael D. Crandall, Robert D. Koppes
  • Patent number: 6020437
    Abstract: Propylene polymer obtained by melt-blending of:100 parts by weight of polypropylene;from 0.01 to 10 parts by weight of a functional compound (a) comprising at least 2 acrylate groups;at least 0.005 part by weight of a sulphur-containing compound (b) chosen from thiuram sulphides; andfrom 0.01 to 5 parts by weight of a compound (c) capable of generating free radicals.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: February 1, 2000
    Assignee: Solvay Polyolefins Europe - Belgium (Societete Anonyme)
    Inventors: Raphael Mestanza, Didier Graebling, Morand Lambla
  • Patent number: 6017634
    Abstract: A thermally curable adhesive composition that includes a fluxing agent that also acts as an adhesive is provided. The composition includes: (a) a fluxing agent represented by the formula RCOOH, wherein R comprises a moiety having two or more carbon-carbon double bonds wherein in one embodiment, at least one is within an acrylate or methacrylate group, and which may further contain at least one aromatic moiety; (b) a carboxylic acid neutralizing agent; (c) optionally, a crosslinkable diluent; (d) optionally, a source of free radical initiators; and (e) optionally, a resin. The composition can be applied directly onto the surface(s) of devices that are to be joined electrically and mechanically. These devices include, printed circuit substrates, connectors, components, cables, and other electrical devices having metallization patterns to be soldered together by means of a solder-bumped pattern on one or both surfaces.
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: January 25, 2000
    Assignee: Miguel Albert Capote
    Inventors: M. Albert Capote, Liqui Zhou, Xioqui Zhu
  • Patent number: 6018003
    Abstract: The invention provides golf balls formed from plastomers which have a molecular weight distribution of 4 or less. Plastomers can be included in the cores of multi-piece balls and in the mantle of multi-layer golf balls in crosslinked or uncrosslinked form, and can be used to form golf ball covers and one-piece golf balls when the outer surface of the ball is crosslinked. Golf balls which employ these compositions as covers have high durability as well as good cut resistance.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: January 25, 2000
    Assignee: Spalding Sports Worldwide, Inc.
    Inventors: Michael J. Sullivan, R. Dennis Nesbitt, Mark Binette
  • Patent number: 6013735
    Abstract: A continuous process for the preparation of linear, branched and star-polymers via anionic polymerization of acrylic monomers, linear, branched and star-polymers obtained by the process and lubricating oil compositions thereof.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: January 11, 2000
    Assignee: Ethyl Corporation
    Inventors: Munmaya K. Mishra, Yoon S Song, Akhilesh Duggal
  • Patent number: 5962594
    Abstract: Segmented polyolefins, which are produced by the reaction of mixtures of powdery polyolefins and polyolefin granulates with unsaturated monomers in the presence of thermally decomposing free radical-forming agents in continuous mixers in two consecutive reaction steps in the solid phase, a reaction step in a solid phase/melt transition phase and a melt homogenizing step, have a high strength and tenacity.The segmented polyolefins, as well as mixtures with conventional polyolefins, are suitable for the production of films, sheets, fibers, panels, coatings, pipes, hollow objects and foams.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: October 5, 1999
    Assignee: Borealis AG
    Inventors: Manfred Raetzsch, Hartmut Bucka, Achim Hesse, Norbert Reichelt
  • Patent number: 5900464
    Abstract: Polar polymers having the following formula:FG--(Q).sub.d --R.sub.n --Z--J--?A(R.sup.1 R.sup.2 R.sup.3)!.sub.x(I)wherein FG is H or a protected or non-protected functional group; Q is a polar hydrocarbyl group derived by incorporation of a polar compound selected from group consisting of esters, amides, and nitriles of acrylic and methacrylic acid, and mixtures thereof; d is an integer from 10 to 2000; R is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons, alkenylsubstituted aromatic hydrocarbons, and mixtures thereof; n is an integer from 0 to 5; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; J is oxygen, sulfur, or nitrogen; ?A(R.sup.1 R.sup.2 R.sup.3)!.sub.x is a protecting group, in which A is an element selected from Group IVa of the Periodic Table of Elements; R.sup.1, R.sup.2, and R.sup.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: May 4, 1999
    Assignee: FMC Corporation
    Inventors: Robert J. Letchford, James A. Schwindeman, Conrad W. Kamienski, Roderic P. Quirk
  • Patent number: 5886101
    Abstract: A novel class of interpenetrating polymer networks which are dispersible in conventional coating solvents is disclosed. Such dispersions are useful in preparing protective and/or decorative film coatings and are particularly useful in photosensitive or imaging formulations such as photoresists, solder masks and the like. These polymer networks are comprised of at least two interpenetrating crosslinked polymers. At least one of the polymer networks is formed by polymerization in a solvent. In one embodiment of this invention, at least one polymer network is prepared from macromers to produce a polymer system having functionalized branch or graft linear segments. The solvent dispersible interpenetrating networks of this invention are particularly useful as binders in addition polymerizable photosensitive compositions containing crosslinking monomers such as solder masks. Upon exposure to actinic radiation and suitable thermal curing, solder mask coatings of such photosensitive compositions form multiple, e.g.
    Type: Grant
    Filed: April 7, 1993
    Date of Patent: March 23, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Eugene G. Sommerfeld, Frank L Schadt, III
  • Patent number: 5874143
    Abstract: A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking film or label may have microperforated or micro-rough edges which initiate tearing when removal is attempted. The article maintains flexibility and film strength for easy fabrication in graphic marking film or label manufacture.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: February 23, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard L. Peloquin, Albert I. Everaerts, Kenneth D. Wilson, Stephen J. Galick
  • Patent number: 5859160
    Abstract: A free radical curable composition that includes a free radical curable and a vinyl aromatic compound that is chemically different than the free radical curable component, wherein the vinyl aromatic compound is present in an amount sufficient to decelerate the cure rate of the free radical composition without adversely effecting completion of cure and the properties of the curable composition after it has cured. The composition is particularly useful as a two part adhesive that includes a free radical catalyst system and a diene elastomer.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: January 12, 1999
    Assignee: Lord Corporation
    Inventors: Robin F. Righettini, Kirk J. Abbey
  • Patent number: 5786420
    Abstract: The present invention is a process for hydrophobically modified emulsion polymers, polymers obtained thereby, waterborne coating compositions containing the polymers and a coated substrate coated with the coating composition. The emulsion polymer is formed by first combining hydrophobic polymeric compound and .alpha.,.beta.-ethylenically unsaturated monomer, and surfactant to form a mixture and subjecting the mixture to high stress techniques to form stabilized particles of the hydrophobic polymer and monomers, in the aqueous phase, said particles having a particle size between 50 and 500 nm. The polymerizable material within the particles is polymerized to form a hydrophobically modified core polymer. Additional monomers including at least one .alpha.,.beta.-ethylenically unsaturated hydrophilic monomer are then added to the core polymer and polymerized by emulsion polymerization, to form a hydrophobically modified core-shell emulsion polymer.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: July 28, 1998
    Assignee: BASF Corporation
    Inventor: Sunitha Grandhee
  • Patent number: 5770655
    Abstract: A polymer composition comprising ?A! a polymer selected from a copolymer of .alpha.-olefin having at least 2 carbon atoms and a specific cyclic olefin, a ring-opening polymer of said specific cyclic olefin and a hydroganted, ring-opening polymer thereof and ?B! a core-shell elastomer containing 40 to 85 parts of weight of a core component which comprises a styrene-butadiene copolymer and 15 to 60 parts by weight of a shell component which comprises a copolymer of an acrylate or methacrylate having a specific cyclic structure, a monovinyl aromatic monomer, other monovinyl monomer and a plyfunctional monomer. This polymer composition is excellent in transparency and impact resistance.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: June 23, 1998
    Assignees: Mitsui Petrochemical Industries, Ltd., Hoechst Aktiengesellschaft
    Inventors: Toshihiro Sagane, Masayuki Okabe, Masahiro Kishine
  • Patent number: 5767199
    Abstract: An air-curing composition is disclosed which contains an acetoacetate functional polymer and an end-blocked polyformaldehyde chain. The composition is stable to reaction until the formaldehyde is released from the polyformaldehyde chain.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: June 16, 1998
    Assignee: Rohm and Hass Company
    Inventors: Daniel Arthur Bors, William David Emmons
  • Patent number: 5744534
    Abstract: A light scattering material is prepared by mixing with and dispersing in a transparent elastomer matrix particles of a transparent material. The matrix has a Tg of lower than room temperature and the transparent material has a different index of refraction form the matrix.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: April 28, 1998
    Assignee: Bridgestone Corporation
    Inventors: Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito
  • Patent number: 5736611
    Abstract: This invention relates to the discovery that the addition of a free triacrylate, tetraacrylate and/or pentaacrylate compound(s) to an uncrosslinked rubber which is then sulfur-vulcanized results in desirable reversion resistant rubber compound properties.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: April 7, 1998
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Edward John Blok, Paul Harry Sandstrom, Edward Roy Terrill, David John Zanzig, Jennifer Ann McDougal
  • Patent number: 5679721
    Abstract: A radiation-curable coating composition comprising a PVC resin, an acrylic or methacrylic compound and a radiation-reactive urethane oligomer. Also described is a process for coating a material, comprising the steps of applying to the material a coating composition according to the invention, heating to heart-cure the coating composition and irradiating the composition to radiation-cure the coating composition. There is also provided an article comprising a material coated with the composition according to the invention. The invention is particularly useful for coating resilient vinyl flooring materials.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: October 21, 1997
    Assignee: Domco Industries Ltd.
    Inventors: Jean-Fran.cedilla.ois Courtoy, Claude Charest
  • Patent number: 5621028
    Abstract: The invention relates to light-scattering polymethacrylate resins with high heat- and weather resistance, which resins may optionally be colored with dyestuffs or pigments. The desirable properties are achieved by addition of a combination of:particles which are light-scattering, and are crosslinked and contain phenyl groups;UV protectants; andradical scavengers.The inventive polymethacrylate molded articles are advantageously employed in illumination technology.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: April 15, 1997
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Hans Lichtenstein, Silvia Ebert
  • Patent number: 5616651
    Abstract: There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels to display excellent heat and ultraviolet light resistance.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: April 1, 1997
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Mariano S. Ni no, Hung D. Ngoc
  • Patent number: 5595821
    Abstract: This invention relates to water dispersible polymeric films, to processes for the film preparation and materials for use in forming the water dispersible polymeric films.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: January 21, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Patrick J. Hager, Richard J. Goetz
  • Patent number: 5580933
    Abstract: Grafting chlorinated polyolefins with unsaturated monomers (acrylic, styrene, vinyl) in the presence of AIBN used as a free radical-producing trigger yields resins that can be used as solutions, dilutable in water as required, in order to produce films that are hard, transparent, glossy, and adhesive and which are prized, in particular, in the manufacture of compositions used for pigmented or unpigmented coatings such as paints, inks, and adhesive primary coatings.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 3, 1996
    Assignee: Elf Atochem S.A.
    Inventors: Christophe Verge, Alain Boone
  • Patent number: 5578682
    Abstract: The present invention provides a post-polymerization process for modifying the molecular weight distribution of a polymer having a monomodal molecular weight distribution, which polymer normally exhibits a decrease in molecular weight when subjected to high shear mixing in the presence of a free radical initiator, to produce a polymer having a bimodal molecular weight distribution. The process comprises:(a) heating a mixture of the polymer, a polyunsaturated crosslinking agent and, optionally, a free radical initiator, to form a uniform mixture; and(b) subjecting said mixture to high shear mixing conditions until a polymer having a bimodal molecular weight distribution is obtained. In the more preferred embodiment, the shear mixing is conducted in the presence of a free radical initiator such as an organic peroxide and the crosslinking agent is a difunctional compound containing diallyl, divinyl or diethylenic unsaturation.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: November 26, 1996
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Donald A. White
  • Patent number: 5576393
    Abstract: Polymer particles which are substantially spherical and have protrusions on the surface thereof, with such a particle size distribution that the volume mean diameter dv thereof is 1.ltoreq.dv.ltoreq.15 (.mu.m), and the ratio of the volume mean diameter dv to the number mean diameter dn thereof, that is, dv/dn, is 1.ltoreq.dv/dn.ltoreq.1.2, are prepared, and used as a component for a toner for use in electrophotography.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: November 19, 1996
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Yamashita, Hiromitsu Kawase, Keiko Shiraishi
  • Patent number: 5574100
    Abstract: A polymer composition comprising [A] a polymer selected from a copolymer of .alpha.-olefin having at least 2 carbon atoms and a specific cyclic olefin, a ring-opening polymer of said specific cyclic olefin and a hydroganted, ring-opening polymer thereof and [B] a core-shell elastomer containing 40 to 85 parts of weight of a core component which comprises a styrene-butadiene copolymer and 15 to 60 parts by weight of a shell component which comprises a copolymer of an acrylate or methacrylate having a specific cyclic structure, a monovinyl aromatic monomer, other monovinyl monomer and a plyfunctional monomer. This polymer composition is excellent in transparency and impact resistance.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: November 12, 1996
    Assignees: Mitsui Petrochemical Industries, Ltd., Hoechst Aktiengesellschaft
    Inventors: Toshihiro Sagane, Masayuki Okabe, Masahiro Kishine
  • Patent number: 5569715
    Abstract: The present invention is directed to a process for forming a hydrophobically modified emulsion, and the modified emulsion polymer obtained thereby. The emulsion polymer is formed by first combining hydrophobic polymeric compound and .alpha.,.beta.-ethylenically unsaturated monomer, to form a mixture and subjecting the mixture to high stress techniques to form surfactant stabilized particles of the hydrophobic polymer and monomers, in the aqueous phase. The .alpha.,.beta.-ethylenically unsaturated groups within the particles are co-polymerized to form a hydrophobically modified core polymer. Additional monomers including at least one .alpha.,.beta.-ethylenically unsaturated hydrophilic monomer are then added to the core polymer and polymerized by emulsion polymerization, to form a hydrophobically modified emulsion polymer.
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: October 29, 1996
    Assignee: BASF Corporation
    Inventor: Sunitha Grandhee
  • Patent number: RE36140
    Abstract: A two-part adhesive consisting of a first liquid comprising 100 parts by weight of a polymerizable vinyl monomer and from 0.1 to 20 parts by weight of an organic peroxide and a second liquid comprising 100 parts by weight of a polymerizable vinyl monomer and from 0.05 to 15 parts by weight of a reducing agent, wherein either one or both of the first and second liquids contain from 0.4 to 5% by weight of water, and the content of water is more than 0.2% by weight based on the total amount of the first and second liquids.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: March 9, 1999
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Koichi Taguchi, Kinpei Iwata, Hideki Matsudo