Material Contains Carboxylic Acid, Salt, Ester, Or Anhydride Thereof Patents (Class 526/213)
  • Patent number: 6803434
    Abstract: A synthetic process comprising the following steps: providing a reaction mixture comprising: an ethylenically unsaturated anhydride monomer, at least one ethylenically unsaturated non-anhydride monomer, a free radical initiator, and an alkyl substituted THF solvent having the general structure of formula 1: where R1, R2, R3, and R4 are independently chosen from the group hydrogen and C1-C4 linear or branched alkyl with the proviso that at least one of R1, R2, R3, and R4 is not H; polymerizing the reaction mixture; and removing, by distillation, unreacted monomers, the alkyl substituted THF solvent, and any low boiling volatile reaction products.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: October 12, 2004
    Assignee: Arch Specialty Chemicals, Inc.
    Inventors: Stephanie Dilocker, Sanjay Malik, Binod De, Ashok Reddy
  • Patent number: 6762261
    Abstract: The present invention is directed to a polymerizable system. The polymerizable system comprises an organoborane, at least one polymerizable monomer, and a work-life extending agent.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: July 13, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: E. John Deviny, Virginia C. Marhevka
  • Publication number: 20040059076
    Abstract: The invention relates to a new catalyst system that improves the heat transfer capability of a butyl reactor slurry process system in the production of isobutylene-based polymers in continuous slurry polymerization processes. The process is carried out in an anhydrous polymerization system containing a mixture of the monomers in a polar diluent along with a Lewis acid and a C5 or greater initiator having a tertiary halide.
    Type: Application
    Filed: July 25, 2003
    Publication date: March 25, 2004
    Inventors: Robert Norman Webb, Michael Francis McDonald, David Yen-Lung Chung, Yuan-Ju Chen, Richard Dwight Hembree, John Patrick Soisson
  • Patent number: 6673861
    Abstract: Composition comprising an oil phase, an aqueous phase, at least one emulsifying agent of water-in-oil (W/O) type and at least one emulsifying agent of oil-in-water (O/W) type in the form of a self-invertible inverse latex comprising from 20% to 70% by weight, and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the said polyelectrolyte is either a homopolymer based on a monomer having a partially or completely salified strong acid functional group or a copolymer based on at least one monomer having a partially or completely salified strong acid functional group copolymerized with acrylamide and characterized in that the constituent solvent of the oil phase is chosen from white mineral oils, squalane, hydrogenated polyisobutene, isohexadecane or isododecane. Cosmetic, dermocosmetic, dermopharmaceutical or pharmaceutical composition comprising them.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: January 6, 2004
    Assignee: Societe d'Exploitation de Produits pour les Industries Chimiques Seppic
    Inventors: Guy Tabacchi, Jean-Pierre Boiteux, Chantal Almaric, Nelly Michel, Paul Mallo
  • Patent number: 6670436
    Abstract: The invention relates to dental materials which contain a thermochromic dye and which display a reversible change of colour in the event of changes in temperature, so that they can be distinguished from the natural dentin.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: December 30, 2003
    Assignee: Ivoclar Vivadent AG
    Inventors: Armin Burgath, Peter Burtscher, Ulrich Salz, Volker Rheinberger
  • Patent number: 6664356
    Abstract: This invention relates to a non-leachable, oil based carrier derived from the anhydrous free radical solution polymerization of a water insoluble acrylate and/or acrylamide monomer in an oil medium for use in long lasting skin lubricating formulations.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: December 16, 2003
    Assignee: ISP Investments Inc.
    Inventor: Jenn S. Shih
  • Publication number: 20030199652
    Abstract: Initiator systems of the present invention include both a complexed initiator and a carboxylic acid decomplexer. For example, dicarboxylic acid decomplexer, carboxylic acid ester decomplexers, and monocarboxylic acid decomplexers (preferably those comprising an alkyl group having at least nine carbon atoms for low odor compositions) are useful in the present invention.
    Type: Application
    Filed: January 21, 2003
    Publication date: October 23, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Edward J. Deviny, Dean M. Moren
  • Patent number: 6635725
    Abstract: A method for producing an ethylene-vinyl acetate copolymer aqueous emulsion is provided which uses a redox catalyst comprising a transition metal salt and an erysorbic acid and/or an ascorbic acid, as the reducing agent thereof, and 1.8 to 10 mol of hydrogen peroxide, as an oxidizing agent thereof, per one mol of the erysorbic acid and the ascorbic acid, and by this method, an ethylene-vinyl acetate copolymer aqueous emulsion which causes no generation of formalin and in which discoloration is suppressed can be obtained.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: October 21, 2003
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventor: Tomoaki Sata
  • Patent number: 6627716
    Abstract: A chlorotrifluoroethylene homopolymer is prepared by polymering chlorotrifluoroethylene monomers in an ester solvent and in the presence of t-butyl peroxypivalate as a radical initiator. The polymerization application can be carried at about 60° C., and the resulting chlorotrifluoroethylene homopolymer has a number average molecular weight of about 1700.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: September 30, 2003
    Assignee: Chung-Shan Institute of Science & Technology
    Inventor: Shean-Jeng Jong
  • Patent number: 6620898
    Abstract: The invention relates to a new improved catalyst to produce random copolymers of one or more iso-olefin monomers and one or more para-alkylstyrene monomers. The invention also relates to an improved continuous slurry polymerization process to produce random copolymers using the improved catalyst system. The process is carried out in an anhydrous polymerization system containing a mixture of the monomers in a polar solvent along with a Lewis acid and a stabilizing initiator.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: September 16, 2003
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Robert N. Webb, Kenneth W. Powers, Michael F. McDonald, Ralph Howard Schatz
  • Patent number: 6583245
    Abstract: The present invention relates to a polymerizable composition, comprising a) at least one compound of formula (I) (RG)—A—(Stab)  (I), wherein (Stab) is a light stabilizer radical selected from the group consisting of sterically hindered amines, hydroxyphenyl-s-triazines, hydroxyphenyl-benzotriazols and o-hydroxy-benzophenones; A is a spacer group or a direct bond; and (RG) is a group containing at least one ethylenically unsaturated functional group; and either b1) a compound of formula (II) Y—X  (II),  wherein X represents a group having at least one carbon atom and is such that the free radical derived from X is capable of initiating polymerization and Y represents a group being such that the free radical Y· derived from it forms a stable free radical; or b2) a stable free radical Y· and a free radical source from which a radical is formed capable of initiating polymerization, or b3) a compound of formula (III)  and a cat
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: June 24, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Alfred Steinmann, Michael Roth, Werner Stauffer, Peter Nesvadba, Andreas Mühlebach
  • Patent number: 6579949
    Abstract: A vulcanized elastomeric composition of matter comprises the reaction product of a sulfur-containing reagent with an anionic living polymer, the reagent being selected from the group consisting of R3—Si—S—R′—X, where R can all be the same or different and is selected from the group consisting of alkyls having from 1 to 8 carbon atoms, cycloalkyls having from 3 to 11 carbon atoms, or an arylene having from 6 to 14 carbon atoms, and X is a halogen, to form a R3—Si—S—R′ ended polymer; a filler; processing oil; and a cure package containing a deprotecting agent and at least one sulfur cure accelerator.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: June 17, 2003
    Assignee: Bridgestone Corporation
    Inventors: William L. Hergenrother, Christine M. Rademacher, James D. Ulmer
  • Patent number: 6562779
    Abstract: Emulsifiable ethylene polymers comprising copolymers of from 90 to 95% by weight of ethylene, from 4 to 10% by weight of one or more C3-C12 alkenecarboxylic acids, and from 0 to 1.2% by weight of one or more tertiary esters of the corresponding C3-C12 alkenecarboxylic acids, where the wax has a cinematic melt viscosity of from 800 to 3000 mm2/s, measured at 120° C.; and a process for preparing the novel emulsifiable ethylene polymers, emulsions comprising the novel ethylene polymers, a process for preparing the emulsions from the novel ethylene polymers, and also floor cleaners, car cleaners, leather cleaners and stone cleaners, and coatings for surfaces made from wood, metal, paper, glass or from plastics, comprising aqueous emulsions of the novel emulsifable waxes.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: May 13, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Lars Wittkowski, Andreas Deckers, Wilhelm Weber, Stefan Weiss, Michael Ehle, Siegfried Gast
  • Patent number: 6555638
    Abstract: A process for the preparation of styrene polymers containing water as the sole expanding agent by polymerization of styrene in aqueous suspension in the presence of an amphiphilic organic emulsifier which carries both hydrophilic and hydrophobic groups, or a polar group-containing, water-miscible polymer.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: April 29, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Achim Datko, Peter Dodel, Klaus Hahn
  • Patent number: 6552140
    Abstract: An air-activatable polymerisable composition useful, in the field of adhesives, sealants, surface coatings, moulding resins and composite matrices, comprises: a) at least one free-radically polymerisable monomer, b) an activator system for effective polymerisation of the free-radically polymerisable monomer, said activator system comprising at least one auto-oxidisable compound which is a beta diketone, c) a soluble ionic salt, particularly a transition metal salt, d) and a weak acid or a latent weak acid, with the proviso that the composition does not contain a peroxide, or a peroxide precursor which produces peroxide in the absence of air, or any ingredient which is a significant source of radicals in the absence of air.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: April 22, 2003
    Assignee: Loctite (R&D) Limited
    Inventors: Brendan J. Kneafsey, Rory B. Barnes
  • Patent number: 6538088
    Abstract: The present invention is directed to precipitation polymerization processes for the manufacture of essentially non-crosslinked polymers prepared from N-vinyl acetamide monomer which exhibit reduced levels of residual non-polymerizable contaminants, particularly residual acetamide, the processes including the steps of contacting the N-vinyl acetamide monomer with a polymerization medium containing a diluent selected from ethyl acetate and acetone and a free-radical initiator, under conditions effective to polymerize the N-vinyl acetamide monomer, thereby forming a precipitate of the polymer in the polymerization medium; and isolating the precipitated polymer from the polymerization medium.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: March 25, 2003
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Jean-Pierre Leblanc, Rama S. Chandran
  • Patent number: 6528575
    Abstract: The use of crosslinked copolymers obtainable by precipitation polymerization of monomer mixtures comprising (a) monoethylenically unsaturated C3-C8-carboxylic acids, their anhydrides or mixtures of said carboxylic acids and anhydrides, (b) compounds with at least 2 non-conjugated ethylenic double bonds in the molecule as crosslinkers and, where appropriate, (c) other monoethylenically unsaturated monomers which are copolymerizable with monomers (a) and (b), in the presence of free-radical polymerization initiators and from 0.1 to 20% by weight, based on the monomers used, of saturated, nonionic surface-active compounds, as stabilizer in oil-in-water emulsions in amounts of from 0.01 to 5% of the weight of the emulsions, and cosmetic and pharmaceutical formulations based on oil-in-water emulsions which contain said precipitation polymers.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: March 4, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Christian Schade, Horst Westenfelder, Karin Sperling-Vietmeier, Axel Sanner, Hans-Ulrich Wekel
  • Patent number: 6489417
    Abstract: A process for producing a fluorine-containing acrylic or methacrylic polymer, comprises polymerizing a fluorine-containing acrylate or methacrylate in a solution phase formed of an organic solvent and dissolved therein a monomer containing a fluorine-containing acrylate or methacrylate having a polyfluoroalkyl group having 6 to 16 carbon atoms. A non-halogen type solvent is used as the organic solvent and the fluorine-containing acrylate or methacrylate is so polymerized that a polymer-containing liquid phase comprised of the fluorine-containing acrylic or methacrylic polymer formed with progress of polymerization and the organic solvent is separated from the solution phase. This process enables production of a fluorine-containing acrylic or methacrylic polymer having a fluorine monomer in a high proportion by the use of a commonly available general-purpose solvent, without using any fluorine type solvent.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: December 3, 2002
    Assignee: Sony Chemicals Corporation
    Inventor: Hiroshi Samukawa
  • Patent number: 6467676
    Abstract: An improved underfill adhesive encapsulant with fluxing activities containing an epoxy resin or a mixture of epoxy resin. An anhydride is used as the curing agent to harden the epoxy resin. A hydroxyl-containing fluxing precursor compound is added to the encapsulant composition to react with the anhydride curing agent to produce an active fluxing agent under typical reflow conditions. The use of a fluxing precursor gives improved reliability compared to conventional fluxing agents used in existing no-flow underfill encapsulants. A suitable catalyst such as imidazole, imidazole derivative or metal acetylacetonate is provided in the present encapsulant at concentrations that give good curing kinetics. A thermoplastic is optionally included to allow the cured encapsulant to be reworked.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: October 22, 2002
    Assignee: Advanpack Solutions PTE Ltd.
    Inventor: Tie Wang
  • Publication number: 20020147118
    Abstract: A process for preparing a radial polymer comprising at least 3 polymeric arms and a central core comprising a polymerized di- or polyfunctional monomer, said process comprising the steps,
    Type: Application
    Filed: March 19, 2002
    Publication date: October 10, 2002
    Inventors: Daniel C. Visger, Richard M. Lange
  • Patent number: 6423798
    Abstract: Novel copolymers of fluorinated olefins and maleic anhydride, maleic acid, dichloromaleic anhydride or dichloromaleic acid may be made by using as solvents for the maleic anhydride or acid a perfluorinated alkyl carboxylic acid, or liquid or supercritical hexafluoropropylene or carbon dioxide. The resulting polymers are useful as adhesives or compatibilizing agents for fluoropolymers, and in coatings.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: July 23, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert Clayton Wheland, Paul Douglas Brothers, Colin Anolick, Charles W. Stewart, Sr.
  • Patent number: 6417301
    Abstract: There is described a process utilizing Ziegler-Natta catalysts for producing ethylene/olefin interpolymers which, for a given melt index and density, have a reduced melting peak temperature (Tm). The process involves contacting ethylene and at least one other olefin under polymerization conditions with a Ziegler-Natta catalyst and at least one modifier comprising at least one element from Group 15 and/or Group 16 in amounts sufficient to reduce the melting peak temperature of the ethylene/olefin interpolymer. Also described herein are novel ethylene/olefin interpolymers resulting from the process.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: July 9, 2002
    Assignee: Eastman Chemical Company
    Inventors: Randal Ray Ford, Jeffrey James Vanderbilt, Darryl Stephen Williams
  • Publication number: 20020061989
    Abstract: This invention concerns the preparation of polymers of low polydispersity and/or controlled molecular weight and architecture employing living free radical polymerization initiated by an alkoxyamine initiator or nitroxide plus, optionally, a free radical initiator; the polymer produced thereby; selected nitroxide and alkoxyamine initiators; and a process for making the initiators; the polymeric products being useful in protective coatings.
    Type: Application
    Filed: May 9, 2001
    Publication date: May 23, 2002
    Inventors: Albert G. Anderson, Alexei Gridnev, Graeme Moad, Ezio Rizzardo, San Hoa Thang
  • Publication number: 20020058772
    Abstract: The present invention concerns the preparation of polymers of low polydispersity and/or controlled molecular weight and architecture employing living free radical polymerization initiated by an alkoxyamine initiator or nitroxide plus, optionally, a free radical initiator, the polymer produced thereby; selected nitroxide and alkoxyamine initiators; and a process for making the initiators; the polymeric products being useful in protective coatings.
    Type: Application
    Filed: May 9, 2001
    Publication date: May 16, 2002
    Inventors: Albert G. Anderson, Alexei Gridnev
  • Patent number: 6376626
    Abstract: A free-radical polymerization process for making macromonomers having the structure: comprising contacting: (a) CH2═CHY; (b) optionally, CH2═CXB; and (c) free-radicals, produced from a free-radical source; in which B, U, X, Y, Z, m, n and p are defined in the text; macromonomer quality being controlled by adjusting one or more of the following variables: molar ratios of a, b and c; temperature; monomer concentration; and conversion.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: April 23, 2002
    Assignee: Commonwealth Scientific and Industrial Research Organization
    Inventors: John Chiefari, Graeme Moad, Ezio Rizzardo, Alexei A. Gridnev
  • Patent number: 6300442
    Abstract: A process of making a cosmetically or pharmaceutically-acceptable emulsion or gel composition which comprises: (a) heating a reaction mixture comprising, by weight, about 5-70% of a vinyl monomer in about 30-95% of an oil as solvent, wherein said oil is selected from the group consisting of a silicone oil, a mineral oil and a water-insoluble organic ester and a free radical initiator, optionally in the presence of a crosslinking agent and/or an oil soluble surfactant, with agitation, under an inert gas, at about 40-150° C., wherein the oil is present in an amount sufficient to keep the resultant vinyl polymer in a stirrable state until the end of the polymerization, (b) adding a surfactant, if a suitable surfactant was not present during polymerization, and, (c) then adding water to form an oil-in-water, a water-in-oil or a water-in-oil-in-water emulsion or gel, in a volume ratio of oil-in-water of 30:70 to 10:90, or water-in-oil of 90:10 to 30:70.
    Type: Grant
    Filed: March 13, 1999
    Date of Patent: October 9, 2001
    Assignee: ISP Investments Inc.
    Inventors: Krystyna Plochocka, Jui-Chang Chuang, Jenn S. Shih
  • Patent number: 6291620
    Abstract: Process for the synthesis of block polymers, homopolymers and copolymers of narrow polydispersity having formula (1) by contacting selected vinyl monomer(s), vinyl-terminated compound(s) and free radicals in which effective control of production of polymer is achieved by controlling the mole ratio of vinyl monomer(s), vinyl-terminated compound(s) and free radicals relative to one another; and polymers produced thereby
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: September 18, 2001
    Assignees: E. I. du Pont de Nemours and Company, Commonwealth Scientific Industrial Research Organization
    Inventors: Graeme Moad, Catherine Louise Moad, Julia Krstina, Ezio Rizzardo, Thomas Robert Darling, Charles Thomas Berge
  • Patent number: 6281310
    Abstract: A methyacryloyl or acryloyl derivative of an ester of cyanoacetic acid may be of the formula: CN—CH2—COOR2OCOCR1═CH2. R1 may be H or CH3, and R2 may be one of the group of moieties including alkyl, alkenyl, alkynyl, alkoxyalkyl, poly (oxyalkyl), aryl, cycloalkyl, and heterocyclyc radical, or substitited combinations thereof. Further, R2 may include between 1 and 16 carbon atoms or heteroatom ring members.
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: August 28, 2001
    Assignee: Chemence, Inc.
    Inventor: Dimiter Lubomirov Kotzev
  • Patent number: 6274686
    Abstract: This invention relates to molecularly imprinted polymers (MIPs) using an amide as the hydrogen bonding functional group. The amide MIPs made according to this invention exhibited enantiomeric recognition of the imprinted species when evaluated by high performance liquid chromatography (HPLC) even in an aqueous phase. In addition, the amide MIPs demonstrated improved enantiomeric resolution and load capacity.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: August 14, 2001
    Inventors: Klaus Mosbach, Cong Yu
  • Patent number: 6274668
    Abstract: Process for reducing the content of residual monomers, expressed as total VOC lower than 600 ppm and deriving from the monomers utilized to obtain the emulsion lower than 100 ppm; having an amount of wet coagula lower or equal to 500 ppm after wet filtering on 125 micron filter of the emulsion at the outlet after the various dropping phases, in polymrizations and copolymerizations in dispersion or emulsion in aqueous phase based on acrylic monomers, characterized in that it comprises as redox couple the utilization of a reducing agent selected from ascorbic acid or an aldehyde having a number of carbon atoms equal to or higher than 4 and containing at least a salifiable hydrogen, organic or inorganic, or its salts and the inorganic salifiable hydrogen being added to a carboxylic group; the aldehyde reducing agent or its salts being soluble in water for at least 5% by weight, preferably 10% by weight; and from an oxidizing agent consisting of an organic hydroperoxide in aqueous solution, excluding those solubl
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: August 14, 2001
    Assignee: Elf Atochem Italia S.r.l.
    Inventors: Carlo Sempio, Leo Mario Saija, Daniele Becchi, Ezio Montessoro
  • Publication number: 20010012880
    Abstract: Novel copolymers of fluorinated olefins and maleic anhydride, maleic acid, dichloromaleic anhydride or dichloromaleic acid may be made by using as solvents for the maleic anhydride or acid a perfluorinated alkyl carboxylic acid, or liquid or supercritical hexafluoropropylene or carbon dioxide. The resulting polymers are useful as adhesives or compatibilizing agents for fluoropolymers, and in coatings.
    Type: Application
    Filed: February 14, 2001
    Publication date: August 9, 2001
    Inventors: Robert C. Wheland, Paul D. Brothers, Colin Anolick, Charles W. Stewart
  • Patent number: 6271184
    Abstract: A copolymer comprising units derived from (a) methaciylic acid esters containing from about 9 to about 25 carbon atoms in the ester group and (b) methacrylic acid esters containing from 7 to about 12 carbon atoms in the ester group, said ester groups having 2-(C1-4 alkyl)-substituents, and optionally (c) at least one monomer selected from the group consisting of methacrylic acid esters containing from 2 to about 8 carbon atoms in the ester group atoms and which are different from methacrylic acid esters (a) and (b), vinyl aromatic compounds, and nitrogen-containing vinyl monomers with the proviso that no more than 60% by weight of the esters contain not more than 11 carbon atoms in the ester group. Also described are additive concentrates and lubricating oil compositions containing the copolymers and processes for preparing copolymers.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: August 7, 2001
    Assignee: The Lubrizol Corporation
    Inventors: Joseph G. Seebauer, Charles P. Bryant
  • Patent number: 6262206
    Abstract: A polymerizabie composition, comprising a) at least one ethylenically unsaturated monomer or oligomer, and b) an initiator compound of formula (I) wherein n is O or 1. The compounds of formula (I) are prepared from a free radical and a compound of formula R10NO or Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, novel initiator compounds and their use for polymerization, intermediate compounds and also the polymer or copolymer produced by this process.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: July 17, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Peter Nesvadba, Andreas Kramer, Alfred Steinmann, Werner Stauffer
  • Patent number: 6242549
    Abstract: This composition, which is useful as a binder in the preparation of synthetic resin concretes or mortars, bonding primers or finishing coats, comprises (A) a system of monomers comprising: (a1) 50-90 parts of a dicyclopentenyloxyalkyl eater: where R=H or CH3; n=1 or 2; and R1=C2-C6 alkylene; (a2) 0-25 parts of at least one heavy (meth)acrylate giving a homopolymer with a Tg higher than that of a homopolymer of (a1); (a3) 0-25 parts of at least one heavy (meth)acrylate giving a homopolymer with a Tg lower than that of a homopolymer of (a1); (a4) 0-25 parts of at least one monomer containing at least two (meth)acrylic unsaturations; and (B) 5-30 parts of at least one poly(allyl glycidyl ether); and (C) an initiating system chosen from (C1) to (C4): (C1) 0.1-3 parts of at least one organic peroxide derived from a C3-C18 hydrocarbon compound and 0.1-2 parts of at least one aromatic amine; (C2) 0.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: June 5, 2001
    Assignee: Elf Atochem, S.A.
    Inventors: Didier Vanhoye, Martine Cerf, Yves Barbier, Mieczyslaw Wnuk
  • Patent number: 6232412
    Abstract: The invention relates to build-up agents which comprise a condensation product among an aldehyde, a phenol compound and an aromatic carboxylic acid, hydroxy-substituted on the aromatic nucleus. The products are particularly effective in reducing or suppressing the build-up formation in the polymerization of vinyl chloride or vinyl acetate, other copolymerizable substances being optionally present. Further objects of the invention are compositions containing the above agents, their use as build-up agents, methods for their preparation and the products obtained therefrom, the polymerization processes carried out in reactors whose inner walls are coated with these agents and polymers obtained from these process.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: May 15, 2001
    Assignee: 3V Inc.
    Inventors: Giuseppe Raspanti, Matteo Zanotti Russo
  • Patent number: 6228945
    Abstract: The present invention relates to compositions of matter comprising a trifunctional aromatic core, said core having three arms radiating therefrom, wherein each of said arms is a diblock copolymer comprising an inner segment of polyisobutylene connected to a outer polymer segment obtained by a living radical polymerization process. The present invention also provides a process of preparing a composition of matter comprising the steps of: providing a trifunctional aromatic initiator core; reacting the trifunctional aromatic core with isobutylene to form a macroinitiator, said macroinitiator comprising polyisobutylene functionalized at the terminus of each said arm; conducting site transformation at the terminus of each arm to introduce a group capable of initiating living radical polymerization of outer segments at the terminus of each arm; performing living radical polymerization to form the outer polymer segments to produce a three arm star composition of matter having three diblock copolymer arms.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: May 8, 2001
    Assignee: The University of Akron
    Inventors: Joseph P. Kennedy, Balazs Keszler, Györgyi Fenyvesi
  • Patent number: 6207771
    Abstract: A process for forming a hydrophobically modified water soluble or water dispersible polymer by utilizing a micellar polymerization technique comprising the steps of: (1) providing a reaction medium including one or more water soluble or water dispersible monomers and one or more surface active agents or protective colloids; (2) incrementally adding one or more ethylenically unsaturated monomers having hydrophobic properties to said reaction medium; (3) initiating polymerization of said one or more water soluble or water dispersible monomers with said one or more ethylenically unsaturated monomers having hydrophobic properties; and (4) continuing polymerization of said one or more water soluble or water dispersible monomers with said one or more ethylenically unsaturated monomers having hydrophobic properties while incrementally adding said one or more ethylenically unsaturated monomers having hydrophobic properties to said reaction medium is provided.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: March 27, 2001
    Assignee: Rhodia Chimie
    Inventor: Eric H. Larson
  • Patent number: 6174963
    Abstract: Provided is a method for producing an amphoteric resin which comprises reacting (1) a copolymerizable basic prepolymer A2 which is obtained by reacting a prepolymer A1 being obtained by polymerization of an amino group-containing &agr;, &bgr;-ethylenically polymerizable compound, other &agr;, &bgr;-ethylenically polymerizable compound and a polymerization initiator containing a carboxyl group at an end, with a compound having an epoxy group represented by the following formula (I): (wherein R1 represents H or a methyl group, and R represents a straight or branched chain alkyl group of 1-10 carbon atoms) in an amount of 0.1-1.0 equivalent for the amino group equivalent of the prepolymer A1 and (2) an &agr;, &bgr;-ethylenically polymerizable acidic prepolymer B2 which is obtained by carrying out the reaction in the same manner as above with (3) other &agr;, &bgr;-ethylenically polymerizable compound C.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: January 16, 2001
    Assignee: Taisei Chemical Industries, Ltd.
    Inventors: Mitsuo Tamazawa, Yasuo Kuroda
  • Patent number: 6156829
    Abstract: This invention relates to stable, quaternized vinylpyridine carboxylate co-polymers, useful as dye transfer inhibitors and polymers complexable with active agrochemicals or pharmaceuticals for controlled release thereof, and to a commercial process for the synthesis thereof in high yield and purity.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: December 5, 2000
    Assignee: ISP Investments Inc.
    Inventors: Jenn S. Shih, Eduardo T. Yap, John C. Hornby, Bala Srinivas
  • Patent number: 6153675
    Abstract: A water-dispersible, water- and oil-repellent agent, which comprises an aqueous emulsion comprising a copolymer of a fluoroalkyl group-containing monomer with vinylidene chloride or benzyl (meth)acrylate and a carboxyl group-containing, water-soluble polymer, dispersed in water by a nonionic surfactant, preferably the carboxyl group-containing, water-soluble polymer is used together with a sugar alcohol, contains no organic solvent and has a distinguished freeze-thaw stability.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: November 28, 2000
    Assignee: Nippon Mektron, Limited
    Inventors: Kazuhiro Yamamoto, Yuzuru Ishida
  • Patent number: 6150486
    Abstract: Process for the production of glycidyl (meth)acrylate copolymers with a number-average molar mass (Mn) of 1000 to 6000 g/mol by solvent-free, continuous copolymerisation of glycidyl (meth)acrylate with ethylenically unsaturated monomers, in a reaction vessel with feed and discharge means in the presence of a polyester oligomer, wherein polyester oligomer or a mixture of glycidyl (meth)acrylate copolymer and polyester oligomer is initially introduced in a weight ratio of from 95:5 to 50:50 and the glycidyl (meth)acrylates, further monomers, further polyester oligomer and, optionally, free-radical initiators are added, the addition together with discharge of the copolymers formed being effected in such a way that the residence time required for formation of the desired composition is achieved, and wherein, in the event of the initial introduction of the mixture of glycidyl (meth)acrylate copolymer and polyester oligomer, addition is effected in such a way that the ratio between copolymer and oligomer is maintai
    Type: Grant
    Filed: October 18, 1999
    Date of Patent: November 21, 2000
    Assignee: Herberts GmbH
    Inventors: Christian Schwede, Walter Schubert, Carmen Flosbach, Friedhelm Bandermann, Aurel Wolf
  • Patent number: 6150484
    Abstract: The present invention is a process for producing a polyvinyl chloride paste blending resin comprising polymerizing a vinyl chloride-based monomer by a suspension polymerization in an aqueous medium, wherein as a suspending agent, both (A) and (B) are used in a mixing weight ratio (A)/(B) of 99/1 to 50/50, and a total amount of said (A) and said (B) is 0.1 to 1.0 part by weight based on 100 parts by weight of the vinyl chloride-based monomer, said (A) being a partially hydrolyzed water-soluble poly(vinyl alcohol) having a viscosity at 20.degree. C. of 4% aqueous solution by weight of 20 to 110 cps and the degree of hydrolysis of 86 to 99 mol %, and said (B) being a partially hydrolyzed water-soluble poly(vinyl alcohol) having a viscosity at 20.degree. C. of 4% aqueous solution by weight of 5 to 10 cps and the degree of hydrolysis of 70 to 80 mol %.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: November 21, 2000
    Assignee: Kaneka Corporation
    Inventors: Teiji Kobayashi, Taizou Yamamoto, Masahiro Kubo, Taizou Koike
  • Patent number: 6143851
    Abstract: A process for the preparation of an addition product of a linear telechelic difunctional unsaturated polymer containing terminal functional reactive groups other than vinyl groups, involves simultaneously reacting at least one cyclic olefin of from about 4 to 30 carbon atoms, at least one difunctional acyclic olefin of up to about 30 carbon atoms, and at least one reactant YZ in the presence of at least one olefin metathesis catalyst to prepare an addition product of a linear difunctional unsaturated polymer, wherein YZ is capable of adding to a carbon--carbon double bond under ROMP reaction conditions.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: November 7, 2000
    Assignee: BP Amoco Corporation
    Inventors: Philip O. Nubel, Howard B. Yokelson, William H. Frye, Tsuei-Yun Lynch, Larry C. Satek, George A. McConaghy
  • Patent number: 6143848
    Abstract: A controlled free-radical polymerization process for forming end-functionalized polymers is disclosed, particularly by degenerative iodine transfer. The end-functionalized polymers are characterized by a polydispersity less than 2.5 and a predetermined molecular weight. The end-functionalized polymers are useful as reactive intermediates in condensation polymerization, chain polymerization and heterogeneous polymerization reactions.
    Type: Grant
    Filed: October 23, 1997
    Date of Patent: November 7, 2000
    Assignee: The B.F.Goodrich Company
    Inventors: Jinsong Lee, Paul Peter Nicholas, Naser Pourahmady, Rutger D. Puts
  • Patent number: 6127494
    Abstract: A process for forming a hydrophobically modified water soluble or water dispersible polymer by utilizing a micellar polymerization technique comprising the steps of: (1) providing a reaction medium including one or more water soluble or water dispersible monomers and one or more surface active agents or protective colloids; (2) incrementally adding one or more ethylenically unsaturated monomers having hydrophobic properties to said reaction medium; (3) initiating polymerization of said one or more water soluble or water dispersible monomers with said one or more ethylenically unsaturated monomers having hydrophobic properties; and (4) continuing polymerization of said one or more water soluble or water dispersible monomers with said one or more ethylenically unsaturated monomers having hydrophobic properties while incrementally adding said one or more ethylenically unsaturated monomers having hydrophobic properties to said reaction medium is provided.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: October 3, 2000
    Assignee: Rhodia Chimie
    Inventor: Eric H. Larson
  • Patent number: 6107425
    Abstract: The invention provides inter alia new methods to produce aqueous developable resin binders for negative-acting photoresists. The methods in general comprise free radical polymerization of one or more types of monomers in the presence of a free radical polymerization control agent, particularly a nitroxide polymerization control agent such as a piperidinyloxy (N-oxy) free radical, and wherein at least one of the monomer types contains a moiety that enables aqueous solution development of a photoresist composition containing the formed polymer.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: August 22, 2000
    Assignee: Shipley Company, L.L.C.
    Inventors: Roger F. Sinta, George G. Barclay, Jacque H. Georger, Jr., Mark D. Denison, Sheri L. Ablaza
  • Patent number: 6107423
    Abstract: Novel copolymers of fluorinated olefins and maleic anhydride, maleic acid, dichloromaleic anhydride or dichloromaleic acid may be made by using as solvents for the maleic anhydride or acid a perfluorinated alkyl carboxylic acid, or liquid or supercritical hexafluoropropylene or carbon dioxide. The resulting polymers are useful as adhesives or compatibilizing agents for fluoropolymers, and in coatings.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: August 22, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert Clayton Wheland, Paul Douglas Brothers
  • Patent number: 6096842
    Abstract: Aerobically hardening adhesives based on polymers of acrylates or methacrylates having a relatively high boiling point such as polyurethane (meth)acrylates are described, wherein the adhesives contain at least one initiator capable of forming free radicals, at least one accelerator, and at least one siccative. Such adhesives are largely odorless and harden completely such that the adhesive surface at the boundary with air is not tacky.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: August 1, 2000
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Carsten Friese, Frank Bergmann
  • Patent number: 6060570
    Abstract: A process for the preparation of an addition product of a linear telechelic difunctional unsaturated polymer containing terminal functional reactive groups other than vinyl groups, involves simultaneously reacting at least one cyclic olefin of from about 4 to 30 carbon atoms, at least one difunctional acyclic olefin of up to about 30 carbon atoms, and at least one reactant YZ in the presence of at least one olefin metathesis catalyst to prepare an addition product of a linear difunctional unsaturated polymer, wherein YZ is capable of adding to a carbon--carbon double bond under ROMP reaction conditions.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: May 9, 2000
    Assignee: BP Amoco Corporation
    Inventors: Philip O. Nubel, Howard B. Yokelson, William H. Frye, Tsuei-Yun Lynch, Larry C. Satek, George A. McConaghy
  • Patent number: 6013748
    Abstract: Disclosed is a novel aromatic ester compound represented by the general formula ##STR1## in which Pn is a 1,4-phenylene group, R.sup.1 is an alkyl group having 1 to 4 carbon atoms, R.sup.2 is a group selected from the group consisting of perfluoroalkyl groups having 1 to 4 carbon atoms, cyano group, nitro group, 2,2-dicyanoethenyl group and methylsulfonyl group and the subscript n is a number of 2, 3 or 4. These aromatic ester compounds are useful as a second-order non-linear optical material in the ultraviolet wavelength range so that a resin film containing the compound has a good second-order non-linear optical coefficient d.sub.33 of 2-4.times.10.sup.-9 esu.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: January 11, 2000
    Assignee: Japan as represented by Director General of Agency of Industrial Science and Technology
    Inventors: Hiroo Matsuda, Takashi Fukuda, Shinji Yamada, Tatsumi Kimura, Masao Kato, Xuan-Ming Duan, Shuji Okada, Hachiro Nakanishi