Fluorine-containing Monomer Patents (Class 524/520)
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Patent number: 6087435Abstract: A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.Type: GrantFiled: June 5, 1995Date of Patent: July 11, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6075085Abstract: A recording liquid comprising a colorant, water and at least two kinds of fine resin particles. In a preferred embodiment, at least one of the two kinds of the fine resin particles are fine self-crosslinkable resin particles. In another preferred embodiment, the number of the kinds of the fine resin particles is 3 or more. Also, disclosed is an image recording method using the recording liquid.Type: GrantFiled: September 8, 1997Date of Patent: June 13, 2000Assignee: Fuji Xerox Co., Ltd.Inventors: Yuzuru Fukuda, Takeshi Mikami, Jiro Minabe, Yasufumi Suwabe
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Patent number: 6069191Abstract: The present invention concerns an aqueous resin dispersion comprising a copolymer of a perfluoroalkyl group-containing ethylenically unsaturated monomer and/or polydimethylsiloxane group-containing ethylenically unsaturated monomer and another ethylenically unsaturated monomer copolymerizable therewith dispersed in water in the presence of a water-dispersible polyurethane containing a polydimethylsiloxane group such as silicone and a hydrophilic group such as a carboxylate group. The aqueous resin dispersion of the present invention provides a release agent which can freely control releasability, be excellent in adhesion to a substrate, and undergo little migration to back face or little change in releasability with time.Type: GrantFiled: May 23, 1997Date of Patent: May 30, 2000Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Hisakazu Tanaka, Yasuyuki Suzuki
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Patent number: 6063855Abstract: A process for preparing a pigmented vinylidene fluoride polymer based powder coating composition that comprises dispersing at least one pigment In an aqueous dispersion or latex of a fluorine-free polymer that is compatible with the vinylidene fluoride polymer and, if needed, conventional paint additives, which may include a polyoxyalkylene glycol block polymer. Subsequently the aqueous pigment dispersion is blended with said vinylidene fluoride polymer powder, milled, dried, and classified to obtain the specified particle size.Type: GrantFiled: January 2, 1998Date of Patent: May 16, 2000Inventors: Roger L. Pecsok, Julius E. Dohany
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Patent number: 6057393Abstract: Disclosed herein is a sulfide polymer composition for a sliding member, comprising:3-40 wt % of polyethylene tetrafluoride having a three-dimensional network structure forming-ability,5-40 wt % of granulated polyethylene tetrafluoride having a number average molecular weight of from not less than 2,000 to less than 300,000,0.1-15 wt % of a phosphate(s), andthe balance of a sulfide polymer; anda sliding member obtained therefrom.Type: GrantFiled: September 12, 1994Date of Patent: May 2, 2000Assignee: Oiles CorporationInventor: Kazuo Hirai
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Patent number: 6051655Abstract: A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.Type: GrantFiled: June 5, 1995Date of Patent: April 18, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6035911Abstract: A rubber composition comprises one or more rubbers selected from the group consisting of natural rubber, polyisoprene rubber, styrene-butadiene copolymer rubber, polybutadiene rubber, acrylonitrile-butadiene copolymer rubber, isoprene-isobutylene copolymer rubber and ethylene-propylene-diene terpolymer rubber, and a reinforcing agent and a fluorine-based additive having a perfluoroalkyl group containing copolymer.Type: GrantFiled: December 5, 1997Date of Patent: March 14, 2000Assignee: Bridgestone CorporationInventors: Hiroyuki Matsumoto, Hideki Matsui, Toshiyuki Ota, Kenji Matsuo
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Patent number: 6025440Abstract: A blend of at least one fluorine polymer, at least one oxidized polyarylene sulfide, at least one polyarylene sulfide and, if required, conventional additives results in a reduction in the expulsion of the oxidized polyarylene sulfides in gaseous form in the production of shaped articles from this blend, so that no cracks occur in the shaped article and problem-free processing by a cutting method is permitted.Type: GrantFiled: December 18, 1997Date of Patent: February 15, 2000Assignee: Hoechst AktiengesellschaftInventors: Helmut Scheckenbach, Gregor Buche
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Patent number: 6013726Abstract: A polystyrene-based resin composition containing a styrene-based resin with mainly syndiotactic configuration, a polyamide, and a rubber polymer as main components.Type: GrantFiled: June 5, 1995Date of Patent: January 11, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6011084Abstract: The present invention provides a colored pencil lead composition comprising a colorant, one or more binder resins, a fibrillatable or fibrillated material, a non-fibrillatable particulate lubricant, and a filler. An example of a suitable binder resin is high density polyethylene, and an example of a fibrillated or fibrillatable material is fibrillatable polytetrafluoroethylene. An example of a non-fibrillatable particulate lubricant is micronized polytetrafluoroethylene. The colored pencil lead of the present invention produces marks on paper which are easily erased by ordinary pencil eraser. The present invention further provides a process for preparing the colored pencil lead of the present invention comprising compounding the colorant, the binder resin or resins, the fibrillatable or fibrillated material, the non-fibrillatable particulate lubricant, and the filler to obtain a blend and forming the pencil lead from the blend.Type: GrantFiled: June 26, 1998Date of Patent: January 4, 2000Assignee: Binney & Smith Inc.Inventors: Jacob Leidner, David Hacker
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Patent number: 6005043Abstract: Water-based coating compositions comprise an aqueous solution, emulsion, or dispersion of (a) a water-soluble or water-dispersible polymer or oligomer having at least one anionic moiety which is capable of reacting with an oxazoline or oxazine moiety; (b) a water-soluble or water-dispersible polymer or oligomer having at least one oxazoline or oxazine moiety; and (c) colloidal silica; at least one of the components (a) and (b) further comprising at least one fluoroaliphatic moiety. The compositions can be used to form hard coatings having low surface energy and high abrasion resistance.Type: GrantFiled: November 20, 1996Date of Patent: December 21, 1999Assignee: 3M Innovative Properties CompanyInventor: Dong-Wei Zhu
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Patent number: 5985983Abstract: A fluororesin coating composition comprising a dispersing medium and fluororesin particles dispersed therein, the dispersing medium mainly comprising a surfactant, and a coated article obtained using the coating composition.Type: GrantFiled: March 25, 1994Date of Patent: November 16, 1999Assignee: Sumitomo Electric Industries, Ltd.Inventors: Katsuya Yamada, Nobutaka Matsushita, Hideki Kashihara, Shigeyoshi Ohwaki, Tohru Kashiwagi, Makoto Nakabayashi, Masahiro Miyamoto
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Patent number: 5977241Abstract: Composites which include a polymer matrix having natural free volume therein and an inorganic or organic material disposed in the natural free volume of the polymer matrix are disclosed. In addition, methods for making a composite are described. A polymer matrix having free volume therein is provided. The free volume is evacuated, and inorganic or organic molecules are infused into the evacuated free volume of the polymer matrix. The inorganic or organic molecules can then be polymerized under conditions effective to cause the polymerized inorganic or organic molecules to assemble into macromolecular networks. Alternatively, where the polymer matrix contains a functionality, the inorganic or organic molecules can be treated underconditions effective to cause the inorganic or organic molecules to interact with the polymer matrix's functionality.Type: GrantFiled: April 4, 1997Date of Patent: November 2, 1999Assignee: Integument Technologies, Inc.Inventors: Timothy S. Koloski, Terrence G. Vargo
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Patent number: 5962571Abstract: Process for making organic solvent-free aqueous crosslinkable polymer composition comprising: a) preparing an aqueous solution of an acid-functional oligomer with Tg 10 to 125.degree. C. and having crosslinker functional groups; b) conducting an aqueous emulsion polymerization to make an aqueous emulsion of an olefinic hydrophobic polymer in the presence of the aqueous oligomer solution, the hydrophobic polymer having Tg at least 25.degree. C. below that of the oligomer and optionally crosslinker functional groups, and c) combining with a crosslinking agent reactable with the crosslinker groups of the oligomer and polymer, said composition having Koenig hardness of .gtoreq.40 sec and minimum film forming temperature (MFFT) .ltoreq.55.degree. C. Also the aqueous composition so formed and its use in various applications. The aqueous composition has excellent properties and in particular an advantageous balance of MFFT and Koenig hardness.Type: GrantFiled: November 1, 1996Date of Patent: October 5, 1999Assignee: Zeneca Resins B.V.Inventors: Gerardus Cornelis Overbeek, Yvonne Wilhelmina Smak, Alfred Jean Paul Buckmann
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Patent number: 5959022Abstract: A compatible blend of superior mechanical strength, hardness and abrasion or mar resistance comprising PVDF and a compatible organic polymer containing one or more imide groups. The alloy consisting of PVDF and a polymer containing imide groups is prepared by dissolving, separately, the PVDF and polymer in a solvent and blending the solutions to provide the required composition. The alloy can also be prepared by dispersing PVDF powder in a solution of polymer containing imide groups. After heating and drying, a homogeneous alloy is formed. In addition, melt extrusion of PVDF with the imide-containing polymer also generates the desired PVDF alloy.Type: GrantFiled: April 1, 1998Date of Patent: September 28, 1999Assignee: Ausimont USA, Inc.Inventors: Shiow-Ching Lin, Steven John Burks
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Patent number: 5948851Abstract: A coating composition that forms a finish that is soil resistant and easily cleaned having a binder of(A) an acrylic polymer of polymerized hydroxyl containing monomers of hydroxy alkyl (meth)acrylate having 1-4 carbon atoms in the alkyl group, and polymerized monomers from the group of alkyl (meth)acrylates having 1-18 carbon atoms in the alkyl group, styrene or any mixtures of the above and the acrylic polymer having a weight average molecular weight of about 2,000-20,000 determined by gel permeation chromatography,(B) an acrylic polymeric additive of polymerized monomers from the group of alkyl (meth)acrylates having 1-18 carbon atoms in the alkyl groups, styrene or any mixtures of the above, and polymerized fluoro alkyl containing monomer represented by the formula ##STR1## where R is selected from the group of hydrogen or an alkyl group having 1-2 carbon atoms, X is a divalent radical and R.sub.Type: GrantFiled: November 21, 1997Date of Patent: September 7, 1999Assignee: E. I. du Pont de Nemours and CompanyInventors: Douglas Robert Anton, Michael J. Darmon, William Frank Graham, Richard Ronald Thomas
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Polyolefin-based composition and process for the manufacture of shaped objects from this composition
Patent number: 5948846Abstract: A composition which is polyolefin-based includes polyolefin; from 0.1 to 5 parts by weight of lubricating agent per 100 parts by weight of the polyolefin; and from 0.05 to 2 parts by weight of zeolite per 100 parts by weight of the polyolefin, which zeolite is a crystalline aluminosilicate having a water adsorptivity not exceeding 10% of its weight, at 25.degree. C. and at a water vapor partial pressure of 4.6 torr, and having an Si/Al molar ratio in the crystal lattice of at least 35.Type: GrantFiled: December 20, 1996Date of Patent: September 7, 1999Assignee: Solvay (Societe Anonyme)Inventors: Daniel Libert, Alain Wyart -
Patent number: 5929158Abstract: The invention provides a non-aqueous polymer dispersion wherein a particulate polymer is dispersed in an organic solvent containing a dispersion stabilizer resin, the polymer being insoluble to the organic solvent and containing a fluoroalkyl group-containing (meth)acrylate as a monomer component. The invention further provides a curable composition comprising the non-aqueous polymer dispersion, a hydroxyl group containing resin and at least one crosslinking agent selected from the group consisting of amino resins, tris(alkoxycarbonylamino)triazines, polyisocyanate compounds and blocked polyisocyanate compounds. A highly stain-resistant coating film can be formed using the dispersion or composition of the invention.Type: GrantFiled: May 5, 1998Date of Patent: July 27, 1999Assignee: Kansai Paint Company, LimitedInventors: Yoshizumi Matsuno, Nobushige Numa, Chihiro Nagano, Satoshi Ikushima, Yasumasa Okumura
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Patent number: 5922468Abstract: Coating dispersions for articles containing either (a) a tetrafluoroethylene homopolymer having a standard specific gravity of at least 2.250 and a melt viscosity of 3.times.10.sup.8 to 3.times.10.sup.9 Pa.multidot.s or (b) a non-melt-fabricable tetrafluoroethylene copolymer having a standard specific gravity of at least 2.165 and a melt creep viscosity of 1.times.10.sup.7 to 1.times.10.sup.9 Pa.multidot.s.Type: GrantFiled: July 12, 1996Date of Patent: July 13, 1999Assignee: E. I. du Pont de Nemours and CompanyInventors: Peter L. Huesmann, Michael Fryd
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Patent number: 5898042Abstract: An aqueous fluororesin coating composition and a process for producing the same, the coating composition comprising a core/shell fluorine-containing copolymer dispersed in an aqueous medium, the core/shell fluorine-containing copolymer comprising a core comprising a fluorine-containing copolymer comprising a repeating unit derived from a fluoroolefin monomer and a repeating unit derived from a vinyl carboxylate monomer and having a glass transition point Tg of 40.degree. C. or more, and a shell comprising a fluorine-containing copolymer comprising a repeating unit derived from a fluoroolefin monomer and a repeating unit derived from a vinyl carboxylate monomer and having a glass transition point Tg of from -10 to 30.degree. C., the weight ratio of the core to the shell being from 20/1 to 1/2.Type: GrantFiled: May 27, 1997Date of Patent: April 27, 1999Assignee: Toagosei Co., Ltd.Inventors: Hiroyuki Sawada, Etsuzo Marumoto, Akihito Iida, Tatsuo Nishio, Hiroshi Inukai
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Patent number: 5880204Abstract: This invention relates to novel room temperature coalescable aqueous fluoropolymer dispersions and a process for their manufacture. These dispersions may be used in a variety of applications including high temperature thermoplastic coatings, polishes, room temperature formable paints and coatings, extrudable or injection moldable resins, and adhesives.Type: GrantFiled: September 20, 1996Date of Patent: March 9, 1999Assignee: Alliedsignal Inc.Inventors: Thomas F. McCarthy, Yan Chen, Peter Petersen
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Patent number: 5880205Abstract: A primer layer composition for a non-stick coating on a smooth substrate consists essentially of polytetrafluoroethylene and polymer binder in a weight ratio of 0.2 to 1.4:1. Other fluoropolymer can be used, and the polymer binder can be a single polymer binder.Type: GrantFiled: April 9, 1997Date of Patent: March 9, 1999Assignee: E. I. du Pont de Nemours and CompanyInventor: Harvey Paul Tannenbaum
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Patent number: 5849829Abstract: Compositions of ETFE and mica are resistant to permeation by water and provide useful coatings for such items as chemical equipment. The composition can be used either as films which can be laminated to substrates or as coatings which can be applied by electrostatic spray of dry powder thereby causing the powders to hot flock on a heated substrate.Type: GrantFiled: August 7, 1996Date of Patent: December 15, 1998Assignee: E. I. du Pont de Nemours and CompanyInventor: Anne Buegman
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Patent number: 5844034Abstract: This invention provides a fluoropolymer dispersion useful for coating applications. The dispersion is a homogeneous and non-ozone depleting dispersion comprising a lubricious fluoropolymer, an inert perfluorinated liquid, a polar solvent, and an effective amount of a surface active agent selected from the group consisting ofa. perfluoroaliphatic amidoalkanols;b. polymerized products formed from the reaction of a mixture comprising a hydrophilic monomer and a monomer of the general formula: ##STR1## wherein p and q are integers between 1 and 4 inclusive, x and y are integers between 0 and 4 inclusive, m is 1 or 2, n is an integer between 3 and 10 inclusive, X' is either a methyl group or a single hydrogen atom, g is 0 or 1, and Q is a sulfonamido constituent group according to the formula: ##STR2## wherein R.sup.Type: GrantFiled: May 1, 1997Date of Patent: December 1, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Mark W. Grenfell, Richard M. Flynn, Patricia M. Savu
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Patent number: 5817419Abstract: An aqueous dispersion contains melt-fabricable fluoropolymer particles and acrylic copolymer particles, said acrylic copolymers having a decomposition temperature of less than 340.degree. C., wherein the dispersion contains about 75 to about 95 wt % of fluoropolymer and about 5 to about 25 wt % of acrylic copolymer, based on combined weights of the two polymers. Coated articles comprise a substrate coated with a primer layer, optional intermediate coats, and a topcoat with at least the topcoat being formed from the aqueous dispersion.Type: GrantFiled: July 12, 1996Date of Patent: October 6, 1998Assignee: E. I. du Pont de Nemours and CompanyInventors: Michael Fryd, Peter Louis Huesmann, Allan Harold Olson
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Patent number: 5798406Abstract: This fluorinated (meth)acrylic latex consists of a dispersion of particles or of a mixture of dispersions of particles, these dispersions being obtained by emulsion polymerization in an aqueous medium, in at least one stage, wherein one more perfluorinated monomer(s) of formula (I) has/have been used as sole fluorinated comonomer(s) for the formation of the particles, and which is/are distributed statistically in particles formed in one stage or distributed statistically in the shell of structured particles of the core-shell or core-intermediate layer(s)-shell type resulting from a polymerization in two stages and in more than two stages, respectively, the said latex consisting of a dispersion of the said structured particles or of a mixture of at least one dispersion of the said fluorinated structured particles and/or at least one dispersion of the said fluorinated statistical particles and at least one dispersion of unfluorinated statistical particles, the monomer or monomers of formula (I) representing lesType: GrantFiled: October 18, 1995Date of Patent: August 25, 1998Assignee: Elf Atochem S.A.Inventors: Bruno Feret, Laure Sarrazin, Didier Vanhoye
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Patent number: 5770647Abstract: A friction sound-preventing surface-treating agent is composed of an acryl-vinyl chloride based paint resin, and 2-60 wt % of spherical and/or non-spherical polyurethane particles having an average particle diameter of 1-50 .mu.m as a solid component relative to said acryl-vinyl chloride based paint resin.Type: GrantFiled: September 12, 1997Date of Patent: June 23, 1998Assignees: Nissan Motor Co., Ltd., Tokushu Shikiryo Color & Chemicals, Inc.Inventors: Tetsuro Watanabe, Kimihiro Matsumoto, Satoru Ichikawa, Kuniko Matsuya
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Patent number: 5762820Abstract: The invention relates to binders for self-crosslinkable varnishes and paints comprising one or a number of hydroxylated and/or carboxylated fluorinated copolymers and one or a number of epoxidized and/or alkoxylated acrylic copolymers.Type: GrantFiled: June 21, 1996Date of Patent: June 9, 1998Assignee: Elf Atochem S. A.Inventors: Patrick Kappler, Jean-Luc Perillon, Catherine Savary
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Patent number: 5760126Abstract: Water-based coating compositions comprise an aqueous solution, emulsion, or dispersion of (a) a water-soluble or water-dispersible polymer or oligomer having at least one anionic moiety which is capable of reacting with an oxazoline or oxazine moiety; (b) a water-soluble or water-dispersible polymer or oligomer having at least one oxazoline or oxazine moiety; and (c) a sol comprising a colloidal dispersion of surface-modified, inorganic microparticles in liquid; at least one of the components (a), (b), and (c) further comprising at least one fluoroaliphatic moiety. The compositions can be used to form hard coatings having low surface energy and high abrasion resistance.Type: GrantFiled: December 20, 1996Date of Patent: June 2, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Lori P. Engle, Steven J. Hamrock, George G. I. Moore, Mark J. Pellerite, Dong-Wei Zhu
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Patent number: 5759369Abstract: An electrophoresis separation medium is disclosed comprising a matrix of a copolymer composed of a linear hydrophilic polymer segment having a selected substantially uniform segment length and hydrophobic polymer segments carried on each end. Also disclosed is an electrophoresis method employing the separation medium which permits high resolution separation of polynucleotides, especially in DNA sequencing operations.Type: GrantFiled: March 24, 1995Date of Patent: June 2, 1998Assignee: The Perkin-Elmer CorporationInventors: Steven Michael Menchen, Mitchell A. Winnik, Ben F. Johnson
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Patent number: 5744537Abstract: Enhanced fidelity of pattern transfer of aqueous developable photoresist compositions is achieved with top antirefective coatings which are fluorine-containing and have a refractive index approximately equal to the square root of the underlying photoresist and which are removable in the developer for the photoresist.Type: GrantFiled: May 27, 1997Date of Patent: April 28, 1998Assignee: International Business Machines CorporationInventors: William R. Brunsvold, George J. Hefferon, Christopher F. Lyons, Wayne M. Moreau, Robert L. Wood
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Patent number: 5739202Abstract: A process for preparing a pigmented vinylidene fluoride polymer based powder coating composition that comprises steps of dispersing at least one pigment in a solution of a fluorine-free polymer that is compatible with the vinylidene fluoride polymer, blending said vinylidene fluoride polymer powder with the pigment dispersion, removal of solvent, milling, and classifying the compound to obtain the desired product.Type: GrantFiled: February 11, 1997Date of Patent: April 14, 1998Inventor: Roger L. Pecsok
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Patent number: 5725789Abstract: Oil and water repellent compositions for the treatment of fiber containing substrates such as fabric and the like, substrates treated with these compositions and methods for the treatment of substrates are described. The compositions of the invention comprise (a) a polyalkoxylated polyurethane and (b) a fluorochemical acrylate polymer comprising the polymerized reaction product of a fluorinated acrylate or methacrylate monomer, at least one alkyl acrylate or methacrylate monomer and a polymerizable cationic emulsifier comprising a quaternary amine surfactant. Additionally, (c) a polyalkylene glycol fluorochemical acrylate copolymer and (d) a fluorochemical adipate ester can also be included within the compositions. The above components are blended together within the composition at a weight ratios of (a):(b), or (a)+(c):(b), or (a)+(c)+(d):(b) of from 19:1 to 1:19 and preferably about 1:1.Type: GrantFiled: November 13, 1996Date of Patent: March 10, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Charles D. Huber, Michael A. Yandrasits
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Patent number: 5719221Abstract: A composition is provided for protecting exterior surfaces of automobiles and other products against abrasive dust, acid rain, etc. The composition is applied as a mixture of water solubilized acrylic acid copolymer, pH-neutral acrylic copolymer, alkyl alcohol, surfactant, and water. The composition dries on the exterior surface to form a tough flexible coating that can be removed by an alkaline aqueous detergent solution.Type: GrantFiled: March 28, 1996Date of Patent: February 17, 1998Assignee: Cal-West Equipment CompanyInventor: Ronald Swidler
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Patent number: 5717007Abstract: The invention relates to anti-fouling self-polishable paints intended to be pplied on an object at least partially submersed, notably on surface ships or submarine hulls, and containing standard constituents of the paints such as organic solvents, coloring pigment, wetting agents, dispersing agents or neutralizing agents.These paints are characterized in that they comprise:mass 5 to 60% of at least two polymers or copolymers (I) of the alkyl polyacrylates or alkyl polymethacrylate family comprising carboxylic functions, having molecular weights ranging from 15,000 to 100,000 g.mol.sup.-1, each polymer having a very different acid index,mass 0.1 to 50% of at least one polyaminated compound (II) reacting to polymers (I),mass 0.1 to 60% of at least one organometallic compound derived from zinc, iron, manganese or cobalt, with a biocide character (III).mass 0 to 30% of powdered hydrophobe polymers (IV).Type: GrantFiled: January 19, 1996Date of Patent: February 10, 1998Assignee: Etat Francais as represented by the Delegue General pour l'ArmementInventor: Christian Cambon
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Patent number: 5712335Abstract: An aqueous dispersion of a fluorine-containing polymer, wherein 1 to 20 parts by weight of solids of an organosilicon compound is admixed on the basis of 100 parts by weight of solids in the fluorine-containing-polymer-dispersed aqueous composition and this aqueous dispersion is useful for a paint capable of forming a coating film which is excellent in adhesion to various base materials, film forming property, weatherability and soil resistance.Type: GrantFiled: June 21, 1996Date of Patent: January 27, 1998Assignee: Daikin Industries, Ltd.Inventors: Nobuhiko Tsuda, Yasushi Yonei, Ryuzi Iwakiri, Katsuhiko Imoto
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Patent number: 5700859Abstract: An aqueous emulsion of fluorocarbon polymer according to the present invention is characterized by that the emulsion comprises a sodium dialkylsulfosuccinic acid of not less than 1.5% by weight relative to the fluorocarbon polymer, and an alkyleneglycol. A method for producing a stabilized aqueous emulsions of fluorocarbon polymer according to the present invention comprises mixing an aqueous emulsion of fluorocarbon polymer obtained by an emulsion polymerization process with a sodium dialkylsulfosuccinic acid dissolved in an alkyleneglycol or an aqueous solution of the alkyleneglycol. A novel aqueous emulsion of fluorocarbon polymer having excellent mechanical stability and thermal stability is obtainable.Type: GrantFiled: February 15, 1996Date of Patent: December 23, 1997Assignee: DuPont-Mitsui Fluorochemicals Co., Ltd.Inventors: Masatsune Ogura, Shizuo Chiba, Kayoko Ohtera
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Patent number: 5700866Abstract: Fluoroelastomer blend compositions having excellent base resistance and low temperature properties comprise a fluoroelastomer component which is a copolymer of tetrafluoroethylene and an olefin, and an elastomeric ethylene copolymer component which is a copolymer of ethylene and an alkyl acrylate or an alkyl methacrylate.Type: GrantFiled: July 1, 1996Date of Patent: December 23, 1997Assignee: E. I. Du Pont de Nemours and CompanyInventor: David Leo Tabb
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Patent number: 5667891Abstract: Patterned cookware coatings can be obtained with colors not readily available from reflective pigments by additive color mixing of interference colors using oxide coated mica.Type: GrantFiled: January 16, 1996Date of Patent: September 16, 1997Assignee: E. I. Du Pont de Nemours and CompanyInventors: Kenneth Batzar, Sharon Adolph McMenamin
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Patent number: 5643981Abstract: The flameproof thermoplastic resin compositions of this invention comprise from 2 to 20 parts by weight of aromatic diphosphates, from 2 to 7 parts by weight of phosphorous compounds and from 0.1 to 2.0 parts by weight of polyfluoroalkyl resins per 100 parts by weight of the resin mixture consisting of from 60 to 98% by weight of polycarbonate resins, from 2 to 40% by weight of styrene-containing graft copolymer resins, and from 0 to 20% by weight of styrene-containing copolymer resins. The structural formula of said aromatic diphosphates is as follows (I): ##STR1## in which, R.sup.1 and R.sup.2 are same or different lower alkyls, R.sup.3 and R.sup.4 are same or different hydrogen atom or alkyl groups, Y is a single bond or --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --S--, --SO.sub.2 --, --O--, --CO--, or --N.dbd.N--, k is 0 or 1, and m is an integer of 0 to 4.Type: GrantFiled: November 1, 1994Date of Patent: July 1, 1997Assignee: Cheil Industries, Inc.Inventors: Sam-Joo Yang, Bok-Nam Jang
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Patent number: 5608003Abstract: Water-based coating compositions comprise an aqueous solution, emulsion, or dispersion of (a) a water-soluble or water-dispersible polymer or oligomer having at least one anionic moiety which is capable of reacting with an oxazoline or oxazine moiety; (b) a water-soluble or water-dispersible polymer or oligomer having at least one oxazoline or oxazine moiety; and (c) colloidal silica; at least one of the components (a) and (b) further comprising at least one fluoroaliphatic moiety. The compositions can be used to form hard coatings having low surface energy and high abrasion resistance.Type: GrantFiled: June 23, 1995Date of Patent: March 4, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventor: Dong-Wei Zhu
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Patent number: 5578681Abstract: Curable elastomeric blends of fluoroelastomer and ethylene copolymer elastomer in which at least one of the fluoroelastomer and ethylene copolymer elastomer contains a cure site monomer.Type: GrantFiled: April 3, 1995Date of Patent: November 26, 1996Assignee: E. I. Du Pont de Nemours and CompanyInventor: David L. Tabb
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Patent number: 5567756Abstract: A composition is provided for protecting exterior surfaces of automobiles and other products against abrasive dust, acid rain, etc. The composition is applied as a mixture of water solubilized acrylic acid copolymer, pH-neutral acrylic copolymer, alkyl alcohol, surfactant, and water. The composition dries on the exterior surface to form a tough flexible coating that can be removed by an alkaline aqueous detergent solution.Type: GrantFiled: December 7, 1994Date of Patent: October 22, 1996Assignee: Cal-West Equipment Company, Inc.Inventor: Ronald Swidler
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Patent number: 5552199Abstract: This invention provides a melt-processable conductive fluoroplastic composition comprising a melt-processable, thermoplastic fluoropolymer component of interpolymerized units comprising those derived from vinylidene fluoride, a conductive particulate component comprising conductive carbon black particles, and a hydrocarbon polymer component. The composition is useful for making, for example by melt-processing, conductive shaped articles including tubing.Type: GrantFiled: September 2, 1994Date of Patent: September 3, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Thomas J. Blong, Claude Lavall ee
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Patent number: 5549948Abstract: This invention provides a melt-processable fluoroplastic composition comprising a blend of a melt-processable thermoplastic fluoropolymer component of interpolymerized units derived from vinylidene fluoride and an ethylenically-unsaturated, copolymerizable, fluorinated comonomer, and a hydrocarbon polymer component comprising a poller of ethylene or propylene. The composition is useful for making shaped articles including tubing or film.Type: GrantFiled: September 2, 1994Date of Patent: August 27, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Thomas J. Blong, Claude Lavall ee
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Patent number: 5534576Abstract: A sealant composition comprises a dispersion of a fluorocarbon polymer with particles no larger than 25 micrometers in a low volatility liquid and up to 50 percent of a higher volatility liquid. Also covered is an applicator for applying the sealant to the gasket of an electrochemical cell.Type: GrantFiled: April 17, 1990Date of Patent: July 9, 1996Assignee: E. I. Du Pont de Nemours and CompanyInventor: Walther G. Grot
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Patent number: 5532310Abstract: This invention provides a fluoropolymer dispersion useful for coating applications. The dispersion is a homogeneous and non-ozone depleting dispersion comprising a lubricious fluoropolymer, an inert perfluorinated liquid, a polar solvent, and an effective amount of a surface active agent selected from the group consisting of:a. perfluoroaliphatic amidoalkanols;b. polymerized products formed from the reaction of a mixture comprising a hydrophilic monomer and a monomer of the general formula: ##STR1## wherein p and q are integers between 1 and 4 inclusive, x and y are integers between 0 and 4 inclusive, m is 1 or 2, n is an integer between 3 and 10 inclusive, X' is either a methyl group or a single hydrogen atom, g is 0 or 1, and Q is a sulfonamido constituent group according to the formula: ##STR2## wherein R.sup.Type: GrantFiled: April 28, 1995Date of Patent: July 2, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Mark W. Grenfell, Richard M. Flynn, Patricia M. Savu
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Patent number: 5498681Abstract: Disclosed is a polymeric article at least a portion of which is manufactured from a hydrogel material having a hydration level of from between about 45% and 56% by weight, which hydrogel is formed from a xerogel which is a copolymer system that can be solvolyzed and hydrated and during which undergoes a linear expansion of from about -7% to about +7%. The polymeric article is comprised of a copolymer system comprising dichloroacetate ester of glyceryl acrylate, methacrylate and ethacrylate and one or more compatible ethylenically unsaturated monomers without such solvolyzable groups.Type: GrantFiled: February 21, 1995Date of Patent: March 12, 1996Assignee: Pilkington Barnes Hind, Inc.Inventors: Syed H. Askari, Hermann H. Neidlinger, Khushroo Gandhi
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Patent number: 5480930Abstract: The present invention describes uncured fluorocarbon elastomer base compositions and cured fluorocarbon elastomer compositions comprising a fluorocarbon elastomer, an amorphous silicone resin, and optionally a polydiorganosiloxane gum or a hydrocarbon polymer elastomer. The cured fluorocarbon elastomers typically contain additional components such as an acid acceptor, a cure agent, and a filler. The cured compositions have high strength, low temperature flexibility, high solvent resistivity, and low fuel permeability.Type: GrantFiled: August 18, 1994Date of Patent: January 2, 1996Assignee: Dow Corning CorporationInventors: Thomas M. Gentle, Gerald A. Gornowicz
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Patent number: 5470908Abstract: Described herein is a composition comprising at least 10 percent by weight of water and, based on the weight of components (a), (b), and (c); (a) 0 to about 95 percent by weight of a water-compatible polymer having at least two pendant carboxylate groups; (b) 1 to about 60 percent by weight of a polymeric polycarboxylate polymer different from (a) having (1) at least two pendant carboxylate groups and (2) at least one internal amide, thioamide, urea, thiourea, biuret, dithiobiuret, or urethane group; and (c) 2 to about 70 percent by weight of a polyfunctional crosslinking agent having an ionic or potentially ionic moiety counter ion capable of reacting with the carboxylate groups of (a) and (b). Component (b) may also contain fluoroalkyl groups. The composition of the invention provides a water-based coating which, when deposited on a surface to be coated and allowed to dry and form a crosslinked polymer, has a high degree of wear resistance, hardness, and impact resistance.Type: GrantFiled: October 28, 1993Date of Patent: November 28, 1995Assignee: The Dow Chemical CompanyInventors: Donald L. Schmidt, Robert F. Harris, Charles Coburn