Fluorine-containing Monomer Patents (Class 524/520)
  • Patent number: 6087435
    Abstract: 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: Grant
    Filed: June 5, 1995
    Date of Patent: July 11, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
  • Patent number: 6075085
    Abstract: 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: Grant
    Filed: September 8, 1997
    Date of Patent: June 13, 2000
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuzuru Fukuda, Takeshi Mikami, Jiro Minabe, Yasufumi Suwabe
  • Patent number: 6069191
    Abstract: 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: Grant
    Filed: May 23, 1997
    Date of Patent: May 30, 2000
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Hisakazu Tanaka, Yasuyuki Suzuki
  • Patent number: 6063855
    Abstract: 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: Grant
    Filed: January 2, 1998
    Date of Patent: May 16, 2000
    Inventors: Roger L. Pecsok, Julius E. Dohany
  • Patent number: 6057393
    Abstract: 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: Grant
    Filed: September 12, 1994
    Date of Patent: May 2, 2000
    Assignee: Oiles Corporation
    Inventor: Kazuo Hirai
  • Patent number: 6051655
    Abstract: 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: Grant
    Filed: June 5, 1995
    Date of Patent: April 18, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
  • Patent number: 6035911
    Abstract: 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: Grant
    Filed: December 5, 1997
    Date of Patent: March 14, 2000
    Assignee: Bridgestone Corporation
    Inventors: Hiroyuki Matsumoto, Hideki Matsui, Toshiyuki Ota, Kenji Matsuo
  • Patent number: 6025440
    Abstract: 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: Grant
    Filed: December 18, 1997
    Date of Patent: February 15, 2000
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Helmut Scheckenbach, Gregor Buche
  • Patent number: 6013726
    Abstract: A polystyrene-based resin composition containing a styrene-based resin with mainly syndiotactic configuration, a polyamide, and a rubber polymer as main components.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 11, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
  • Patent number: 6011084
    Abstract: 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: Grant
    Filed: June 26, 1998
    Date of Patent: January 4, 2000
    Assignee: Binney & Smith Inc.
    Inventors: Jacob Leidner, David Hacker
  • Patent number: 6005043
    Abstract: 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: Grant
    Filed: November 20, 1996
    Date of Patent: December 21, 1999
    Assignee: 3M Innovative Properties Company
    Inventor: Dong-Wei Zhu
  • Patent number: 5985983
    Abstract: 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: Grant
    Filed: March 25, 1994
    Date of Patent: November 16, 1999
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Katsuya Yamada, Nobutaka Matsushita, Hideki Kashihara, Shigeyoshi Ohwaki, Tohru Kashiwagi, Makoto Nakabayashi, Masahiro Miyamoto
  • Patent number: 5977241
    Abstract: 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: Grant
    Filed: April 4, 1997
    Date of Patent: November 2, 1999
    Assignee: Integument Technologies, Inc.
    Inventors: Timothy S. Koloski, Terrence G. Vargo
  • Patent number: 5962571
    Abstract: 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: Grant
    Filed: November 1, 1996
    Date of Patent: October 5, 1999
    Assignee: Zeneca Resins B.V.
    Inventors: Gerardus Cornelis Overbeek, Yvonne Wilhelmina Smak, Alfred Jean Paul Buckmann
  • Patent number: 5959022
    Abstract: 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: Grant
    Filed: April 1, 1998
    Date of Patent: September 28, 1999
    Assignee: Ausimont USA, Inc.
    Inventors: Shiow-Ching Lin, Steven John Burks
  • Patent number: 5948851
    Abstract: 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: Grant
    Filed: November 21, 1997
    Date of Patent: September 7, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Douglas Robert Anton, Michael J. Darmon, William Frank Graham, Richard Ronald Thomas
  • Patent number: 5948846
    Abstract: 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: Grant
    Filed: December 20, 1996
    Date of Patent: September 7, 1999
    Assignee: Solvay (Societe Anonyme)
    Inventors: Daniel Libert, Alain Wyart
  • Patent number: 5929158
    Abstract: 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: Grant
    Filed: May 5, 1998
    Date of Patent: July 27, 1999
    Assignee: Kansai Paint Company, Limited
    Inventors: Yoshizumi Matsuno, Nobushige Numa, Chihiro Nagano, Satoshi Ikushima, Yasumasa Okumura
  • Patent number: 5922468
    Abstract: 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: Grant
    Filed: July 12, 1996
    Date of Patent: July 13, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Peter L. Huesmann, Michael Fryd
  • Patent number: 5898042
    Abstract: 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: Grant
    Filed: May 27, 1997
    Date of Patent: April 27, 1999
    Assignee: Toagosei Co., Ltd.
    Inventors: Hiroyuki Sawada, Etsuzo Marumoto, Akihito Iida, Tatsuo Nishio, Hiroshi Inukai
  • Patent number: 5880204
    Abstract: 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: Grant
    Filed: September 20, 1996
    Date of Patent: March 9, 1999
    Assignee: Alliedsignal Inc.
    Inventors: Thomas F. McCarthy, Yan Chen, Peter Petersen
  • Patent number: 5880205
    Abstract: 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: Grant
    Filed: April 9, 1997
    Date of Patent: March 9, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Harvey Paul Tannenbaum
  • Patent number: 5849829
    Abstract: 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: Grant
    Filed: August 7, 1996
    Date of Patent: December 15, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Anne Buegman
  • Patent number: 5844034
    Abstract: 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: Grant
    Filed: May 1, 1997
    Date of Patent: December 1, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Mark W. Grenfell, Richard M. Flynn, Patricia M. Savu
  • Patent number: 5817419
    Abstract: 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: Grant
    Filed: July 12, 1996
    Date of Patent: October 6, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Michael Fryd, Peter Louis Huesmann, Allan Harold Olson
  • Patent number: 5798406
    Abstract: 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 les
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: August 25, 1998
    Assignee: Elf Atochem S.A.
    Inventors: Bruno Feret, Laure Sarrazin, Didier Vanhoye
  • Patent number: 5770647
    Abstract: 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: Grant
    Filed: September 12, 1997
    Date of Patent: June 23, 1998
    Assignees: Nissan Motor Co., Ltd., Tokushu Shikiryo Color & Chemicals, Inc.
    Inventors: Tetsuro Watanabe, Kimihiro Matsumoto, Satoru Ichikawa, Kuniko Matsuya
  • Patent number: 5762820
    Abstract: 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: Grant
    Filed: June 21, 1996
    Date of Patent: June 9, 1998
    Assignee: Elf Atochem S. A.
    Inventors: Patrick Kappler, Jean-Luc Perillon, Catherine Savary
  • Patent number: 5760126
    Abstract: 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: Grant
    Filed: December 20, 1996
    Date of Patent: June 2, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Lori P. Engle, Steven J. Hamrock, George G. I. Moore, Mark J. Pellerite, Dong-Wei Zhu
  • Patent number: 5759369
    Abstract: 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: Grant
    Filed: March 24, 1995
    Date of Patent: June 2, 1998
    Assignee: The Perkin-Elmer Corporation
    Inventors: Steven Michael Menchen, Mitchell A. Winnik, Ben F. Johnson
  • Patent number: 5744537
    Abstract: 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: Grant
    Filed: May 27, 1997
    Date of Patent: April 28, 1998
    Assignee: International Business Machines Corporation
    Inventors: William R. Brunsvold, George J. Hefferon, Christopher F. Lyons, Wayne M. Moreau, Robert L. Wood
  • Patent number: 5739202
    Abstract: 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: Grant
    Filed: February 11, 1997
    Date of Patent: April 14, 1998
    Inventor: Roger L. Pecsok
  • Patent number: 5725789
    Abstract: 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: Grant
    Filed: November 13, 1996
    Date of Patent: March 10, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Charles D. Huber, Michael A. Yandrasits
  • Patent number: 5719221
    Abstract: 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: Grant
    Filed: March 28, 1996
    Date of Patent: February 17, 1998
    Assignee: Cal-West Equipment Company
    Inventor: Ronald Swidler
  • Patent number: 5717007
    Abstract: 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: Grant
    Filed: January 19, 1996
    Date of Patent: February 10, 1998
    Assignee: Etat Francais as represented by the Delegue General pour l'Armement
    Inventor: Christian Cambon
  • Patent number: 5712335
    Abstract: 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: Grant
    Filed: June 21, 1996
    Date of Patent: January 27, 1998
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuhiko Tsuda, Yasushi Yonei, Ryuzi Iwakiri, Katsuhiko Imoto
  • Patent number: 5700859
    Abstract: 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: Grant
    Filed: February 15, 1996
    Date of Patent: December 23, 1997
    Assignee: DuPont-Mitsui Fluorochemicals Co., Ltd.
    Inventors: Masatsune Ogura, Shizuo Chiba, Kayoko Ohtera
  • Patent number: 5700866
    Abstract: 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: Grant
    Filed: July 1, 1996
    Date of Patent: December 23, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: David Leo Tabb
  • Patent number: 5667891
    Abstract: 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: Grant
    Filed: January 16, 1996
    Date of Patent: September 16, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Kenneth Batzar, Sharon Adolph McMenamin
  • Patent number: 5643981
    Abstract: 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: Grant
    Filed: November 1, 1994
    Date of Patent: July 1, 1997
    Assignee: Cheil Industries, Inc.
    Inventors: Sam-Joo Yang, Bok-Nam Jang
  • Patent number: 5608003
    Abstract: 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: Grant
    Filed: June 23, 1995
    Date of Patent: March 4, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Dong-Wei Zhu
  • Patent number: 5578681
    Abstract: 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: Grant
    Filed: April 3, 1995
    Date of Patent: November 26, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: David L. Tabb
  • Patent number: 5567756
    Abstract: 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: Grant
    Filed: December 7, 1994
    Date of Patent: October 22, 1996
    Assignee: Cal-West Equipment Company, Inc.
    Inventor: Ronald Swidler
  • Patent number: 5552199
    Abstract: 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: Grant
    Filed: September 2, 1994
    Date of Patent: September 3, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas J. Blong, Claude Lavall ee
  • Patent number: 5549948
    Abstract: 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: Grant
    Filed: September 2, 1994
    Date of Patent: August 27, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas J. Blong, Claude Lavall ee
  • Patent number: 5534576
    Abstract: 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: Grant
    Filed: April 17, 1990
    Date of Patent: July 9, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Walther G. Grot
  • Patent number: 5532310
    Abstract: 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: Grant
    Filed: April 28, 1995
    Date of Patent: July 2, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Mark W. Grenfell, Richard M. Flynn, Patricia M. Savu
  • Patent number: 5498681
    Abstract: 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: Grant
    Filed: February 21, 1995
    Date of Patent: March 12, 1996
    Assignee: Pilkington Barnes Hind, Inc.
    Inventors: Syed H. Askari, Hermann H. Neidlinger, Khushroo Gandhi
  • Patent number: 5480930
    Abstract: 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: Grant
    Filed: August 18, 1994
    Date of Patent: January 2, 1996
    Assignee: Dow Corning Corporation
    Inventors: Thomas M. Gentle, Gerald A. Gornowicz
  • Patent number: 5470908
    Abstract: 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: Grant
    Filed: October 28, 1993
    Date of Patent: November 28, 1995
    Assignee: The Dow Chemical Company
    Inventors: Donald L. Schmidt, Robert F. Harris, Charles Coburn