Trivalent Or Tetravalent Nitrogen Atom Other Than Unsubstituted Ammonium Patents (Class 524/236)
  • Patent number: 6521690
    Abstract: This invention is of a composition comprised of a smectite clay modified with an organic chemical composition and a polymer. The composition consists of an organic chemical/smectite clay intercalate that has been ion-exchanged and reacted and intercalated with one or more quarternary ammonium compounds and an anionic material and further blended into a polymer resin to make a nanocomposite composition. This material can be blended into a wide variety of polymers. This kind of system gives improved dispersion over conventional organoclays, intercalates or hybrid clays described in the literature, especially in non-polar resins. The defined organoclay has been found to be highly dispersible in a variety of polymers, whether polar or non-polar.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: February 18, 2003
    Assignee: Elementis Specialties, Inc.
    Inventors: Mark Ross, Jacob Kaizerman
  • Patent number: 6512034
    Abstract: Disclosed is a cationic graft-modified natural rubber latex, which is obtained by cationically modifying the graft-natural natural rubber latex with a cationic surfactant in the presence of a nonionic surfactant such as polyoxyalkylene alkyl phenyl ether, polyoxyalkylene monostyryl phenyl ether, polyoxyalkylene distyryl phenyl ether or polyoxyalkylene tristyryl phenyl ether, the obtained rubber latex being useful as an adhesive for fibers and papers.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: January 28, 2003
    Assignee: Sumitomo Rubber Industries, Ltd
    Inventors: Akihiko Hamada, Naoya Ichikawa
  • Publication number: 20020183426
    Abstract: A via and contact hole fill composition and method for using the composition in the dual damascene production of circuits is provided. Broadly, the fill compositions include a quantity of solid components including a polymer binder and a solvent system for the solid components. The boiling point of the solvent system is less than the cross-linking temperature of the composition. Preferred solvents for use in the solvent system include those selected from the group consisting of alcohols, ethers, glycol ethers, amides, ketones, and mixtures thereof. Preferred polymer binders are those having an aliphatic backbone and a molecular weight of less than about 80,000, with polyesters being particularly preferred.
    Type: Application
    Filed: July 15, 2002
    Publication date: December 5, 2002
    Inventors: James E. Lamb, Xie Shao
  • Patent number: 6482757
    Abstract: A process for the production of an ultra violet absorbing polymer latex is provided. The inventive process involves the emulsion polymerization of a benzotriazole- or benzophenone-containing monomer with a vinyl functional monomer in the presence of a chain transfer agent, preferably 1-dodecanethiol. The latex provides excellent long-lasting, easy to apply, difficult to remove, ultraviolet absorption properties for many different substrates, most notably fabrics. Different articles and fabrics coated, covered, laminated, and the like, with the inventive latex are also provided.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: November 19, 2002
    Assignee: Milliken & Company
    Inventors: Kirkland W. Vogt, Shulong Li
  • Publication number: 20020169238
    Abstract: A composition comprising:
    Type: Application
    Filed: March 1, 2001
    Publication date: November 14, 2002
    Inventors: Paul Joseph Caronia, Jeffrey Morris Cogen
  • Patent number: 6476115
    Abstract: This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a non-silane coupling agent as N-3-(1,2-dihydroxypropyl)-N-oleylammonium bromide and/or N-3-(1,2-dihydroxypropyl)-N-methyl-2-mercaptoimidazolium bromide for endeavoring to both couple synthetic aggregates of precipitated silica to elastomers and enhancing electrical conductivity of such rubber compositions which contain less than 25 parts by weight carbon black per 100 parts by weight elastomer. Said coupling agent materials may be provided for mixing with said diene-based rubber(s), for example, as individual materials, as at least one of said materials being supported on a carbon black carrier or as being pre-reacted, or otherwise pre-treated, with synthetic silica aggregates. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: November 5, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, David John Zanzig
  • Patent number: 6476108
    Abstract: An aqueous coating composition comprising (A) an aqueous dispersing material which is a copolymer having a glass transition temperature (Tg) of 80° C. or less which is obtained by the copolymerization a specific unsaturated carboxylic acid, (meth)acrylic acid alkyl ester, and other monomers and (B) a specific aminoalcohol compound in a specific proportion. The aqueous coating composition is safe due to absence of heavy metals, produces excellent gloss and has a fine external appearance when coated, and exhibits superior durability and water resistance which are represented by black heel mark resistance and anti-scuff properties. The composition is particularly useful as a floor coating material.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: November 5, 2002
    Assignee: JSR Corporation
    Inventors: Takeshi Mogi, Minoru Katou, Katsuhiko Tsuruoka
  • Patent number: 6472460
    Abstract: Polymeric composites may be produced by a process comprising melt-kneading an organophilic clay and a polymer at an average reduced pressure of at 5×104 Pa, a maximum reduced pressure of at least 1×105 Pa, and a total shear strain between 105 and 107, and/or a total shear energy per unit volume falling between 1010 and 1014 Pa. Polymeric composites produced under these conditions may have 50% or more of the entire layers of the layered organophilic clay dispersed as monolayers.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: October 29, 2002
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Hirotaka Okamoto, Makoto Kato, Naoki Hasegawa, Arimitsu Usuki, Norio Sato
  • Patent number: 6461422
    Abstract: The problems of applying ink jet inks to various known coating surfaces so as to overcome smearing, poor resolution and attack by water etc., is overcome by the use of the new ink jet receptive media. The media comprises in combination: (1) a waterproof ink jet receptive coating, (2) a primer coating, (3) a non-porous substrate, (4) a pressure sensitive adhesive coating, (5) a silicone coating and (6) a backer layer. The receptive coating comprises the combination of: (1) binder, (2) charge control agent, (3) cross-linking agent, (4) adhesion enhancing agent and (5) dispersant. The absorption of the ink jet ink to the substrate is maximized, thus attracting and fixing the ink and providing a waterproofing effect.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: October 8, 2002
    Assignee: Chartpak, Inc.
    Inventors: Victor Yang, Norman P. De Bastiani
  • Publication number: 20020132890
    Abstract: The present invention is directed to a water-based acrylic emulsion dispersant to be used as a grind resin to incorporate inorganic pigment into a pigment dispersion for a coating composition. The acrylic emulsion dispersant is the reaction product of butyl methacrylate, butyl acrylate, styrene, methyl ether polyethylene glycol methacrylate, polyethylene glycol methacrylate, and polyphosphoric acid. The present invention is also directed to a method of preparing the acrylic emulsion dispersant. In this method, the butyl methacrylate, butyl acrylate, and styrene are combined with water to establish a first reaction blend. Similarly, the methyl ether polyethylene glycol methacrylate and the polyethylene glycol methacrylate are combined with water to establish a second reaction blend. Next, the first and second reaction blends are polymerized to form an intermediate emulsion polymer containing a hydroxyl group from the functionality of the polyethylene glycol methacrylate.
    Type: Application
    Filed: December 22, 2000
    Publication date: September 19, 2002
    Inventors: Swaminathan Ramesh, JoAnn Lanza, Paul J. Harris
  • Publication number: 20020123543
    Abstract: A process for reducing free aldehydes in dispersions, suspensions, emulsions and solutions which comprises including therein thioamine compounds of the general formula I or II 1
    Type: Application
    Filed: December 6, 2001
    Publication date: September 5, 2002
    Inventors: Oliver Schaefer, Juergen Stohrer, Wolfgang Doering
  • Publication number: 20020115764
    Abstract: The present invention relates to an acid, base and chemical resistant cationic elastomeric emulsion that can be applied to concrete at ambient temperatures. The aqueous emulsion comprises an elastomeric paste formed by dissolving a chemical resistant rubber in a solvent in the presence of a polymeric surfactant; and a cationic water solution containing amine surfactants, thickeners and stabilizers. The emulsion is compliant with volatile organic compound regulations, is free of highly flammable and high health risk solvents, is one component and is highly flexible with crack bridging capability.
    Type: Application
    Filed: December 29, 1997
    Publication date: August 22, 2002
    Inventor: SAMIR F. ELIAS
  • Patent number: 6437028
    Abstract: An elastic copolymer composition which contains a copolymer having a content of polymer units based on vinylidene fluoride as low as from 0.5 to 15 mol %, which is satisfactory in polyol vulcanizability and which gives a vulcanizate excellent in heat resistance and oil resistance. This composition comprises a tetrafluoroethylene (35 to 65 mol %)/propylene (20 to 50 mol %)/vinylidene fluoride (0.5 to 15 mol %) copolymer, an organic quaternary ammonium hydroxide or a salt of an organic quaternary phosphonium compound with a nitrogen-containing heterocyclic compound, an organic polyhydroxy compound, and a metal oxide or a metal hydroxide, and optionally contains an amine compound.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: August 20, 2002
    Assignee: Asahi Glass Company, Limited
    Inventors: Tetsuya Miwa, Takeo Kaneko, Masayuki Saito, Junichi Nakamura
  • Patent number: 6437020
    Abstract: Disclosed are stable polyurethane thickener compositions and methods for stabilizing such compositions. Stabilized microbicide compositions and methods for stabilizing such microbicides are disclosed. Also disclosed are stable polyurethane thickener compositions containing microbicides.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: August 20, 2002
    Inventors: David Richard Amick, Jerome Michael Harris, John Robert Mattox
  • Patent number: 6433044
    Abstract: The present invention provides a methyl methacrylate resin composition exhibiting superior durability without impairing the transparency inherent to a methyl methacrylate resin, which comprises a methyl methacrylate resin and a 2-(1-arylalkylidene)malonic acid ester in an amount of 0.0005 to 0.1 parts by weight per 100 parts by weight of the methyl methacrylate resin.
    Type: Grant
    Filed: July 24, 2001
    Date of Patent: August 13, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomohiro Maekawa, Kenji Manabe
  • Patent number: 6429282
    Abstract: Stable, concentrated solutions of high-molecular weight polyaniline using amines as gel inhibitors. Certain amine compounds (gel inhibitors) are used to form highly concentrated, stable solutions of the emeraldine base form of polyaniline in numerous organic solvents from which coatings, films and fibers are readily prepared without problems associated with rapid gelation which occurs when concentrated solutions are attempted without the use of the gel inhibitors of the present invention. Tertiary amines are used to solubilize low-molecular weight fractions (Mw<120,000, Mn<30,000) of the pernigraniline, emeraldine, and leucoemeraldine oxidation states of polyaniline as concentrated (>20 wt. %) polyaniline solutions, while primary and secondary amines are used to produce solutions having 15-40 wt % of high-molecular weight polyaniline [Mw≧120,000, Mn≧30,000]. Concentrated solutions of polyaniline co-polymers or ring and/or nitrogen-substituted polyanilines may also be prepared.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: August 6, 2002
    Assignee: The Regents of the University of California
    Inventors: Hsing-Lin Wang, Benjamin R. Mattes
  • Publication number: 20020103279
    Abstract: A UVA stabilized polyethylene terephthalate overlamination film having a maximum peak absorption of about 380 nm, an approximate absorptive area % of <14% and a Visible Absorbance value of less than about 20%, coated with an adhesive layer to facilitate anchorage of the polyethylene terephthalate film to a secondary print substrate.
    Type: Application
    Filed: December 8, 2000
    Publication date: August 1, 2002
    Inventors: Steven J. Sargeant, Yijun Ye
  • Publication number: 20020095008
    Abstract: A sulfur-curable rubber compound for a tire tread rubber of, in particular, a racing tire, which compound comprises at least one diene rubber, at least one filler and at least one plasticizer. The rubber compound comprises 5 to 90 phr of at least one layered silicate modified with alkylammonium ions and free of guest molecules that have been polymerized or swelled in by a prior treatment.
    Type: Application
    Filed: November 28, 2001
    Publication date: July 18, 2002
    Applicant: CONTINENTAL AKTIENGESELLSCHAFT
    Inventors: Gert Heinrich, Wolfram Herrmann, Norbert Kendziorra, Thomas Pietag, Carla Recker
  • Publication number: 20020091184
    Abstract: There is provided a rubber composition whose run-flat durability is improved and in which precipitation of sulfur and a vulcanization accelerator on the rubber surface before vulcanization is prevented. Sulfur in an amount of 2 to 8 parts by weight and two or more vulcanization accelerators in an amount of at least 5 parts by weight based on 100 parts by weight of a rubber component are used, at least one of the accelerators being a sulfen amide accelerator.
    Type: Application
    Filed: November 20, 2001
    Publication date: July 11, 2002
    Inventor: Keiji Ikeda
  • Publication number: 20020086924
    Abstract: Certain essentially phenol antioxidant-free stabilizer systems that comprise either a binary hindered amine/hydroxylamine or nitrone or amine oxide or benzofuranone system or a ternary hindered amine/hydroxylamine or nitrone or amine oxide or benzofuranone/organic phosphite or phosphonite system are especially effective towards protecting polyolefins against the deleterious effects of gamma irradiation. Polyolefin articles such as medical packaging, hospital garments, draperies, woven and non-woven fiber products, surgery utensils, blow-molded I.V. bottles, hypodermic syringes, needle shields, laboratory ware such as trays, funnels, Petri dishes and filters, and hygiene related articles may be sterilized with gamma irradiation and are stabilized according to the present invention.
    Type: Application
    Filed: February 14, 2001
    Publication date: July 4, 2002
    Inventor: Roswell E. King
  • Publication number: 20020086923
    Abstract: A water based coating composition prepared by reacting an epoxy resin (A) having a bisphenol A skeletal structure and a carboxyl group-containing acrylic resin (B) in the presence of an amine compound to form an acrylic-modified epoxy resin (C), and neutralizing, and dispersing the acrylic-modified epoxy resin (C) into an aqueous medium, an amount of a quaternary ammonium salt in the acrylic-modified epoxy resin (C) being in the range of 3.0×10−4 mol or less per one gram of the resin.
    Type: Application
    Filed: October 17, 2001
    Publication date: July 4, 2002
    Inventors: Sumio Noda, Reijiro Nishida, Makoto Asakura, Masaki Murase
  • Patent number: 6403682
    Abstract: Spandex having improved heat-set efficiency, obtained by incorporating certain quaternary amine additives into the spinning solution, is provided.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: June 11, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Charles William Goodrich, Charles Francis Palmer, Jr., Gordon William Selling
  • Publication number: 20020068777
    Abstract: A process for separating a solvent and low molecular weight material from an acrylic resin by adding a hindered amine light stabilizer having at least one aminoether group to a mixture of the organic solvent, low molecular weight material and the acrylic resin and subjecting the resulting mixture to an elevated temperature for a time sufficient to remove the solvent and low molecular weight material from the acrylic resin by devolatilization. A composition can be provided which is capable of being formed into a powder coating composition which essentially contains an acrylic resin, a hindered amine light stabilizer having at least one aminoether group or residue thereof and less than 4% by weight of low molecular weight material having a molecular weight less than 600.
    Type: Application
    Filed: October 3, 2001
    Publication date: June 6, 2002
    Inventors: Szu-Ping Lu, Paul J. Prucnal
  • Patent number: 6399674
    Abstract: Disclosed herein is a set of water-based pigment inks for ink-jet, comprising a black pigment ink and other pigment inks different in hue from the black pigment ink, which the pigment inks each comprise water, a water-soluble organic solvent and an aqueous pigment dispersion, wherein respective polymeric dispersants used in the black pigment ink and the other pigment inks different in hue from the black pigment ink are different in polarity from each other.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: June 4, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akio Kashiwazaki, Yuko Suga, Hiroyuki Ishinaga, Hiromichi Noguchi, Yutaka Kurabayashi, Aya Takaide, Kiyomitsu Kudo
  • Publication number: 20020049269
    Abstract: The present invention relates to a method of making improved polyolefinic elastic articles from cured, irradiated or crosslinked amorphous ethylene interpolymers. In particular, the invention relates to a method of making a shaped article (e.g. film or fiber) characterized by improved elevated temperature elasticity as well as washability and dryability. The inventive elastic article comprises a substantially cured, irradiated, or crosslinked (or curable, irradiated or crosslinkable) homogeneously branched ethylene interpolymer characterized as having a density less than 0.90 g/cm3 and containing at least one nitrogen-containing stabilizer. The improved elastic article of the present invention is particularly suitable for use in applications where good elasticity must be maintained at elevated temperatures and after laundering such as, for example, elastic waist bands of undergarments and other clothing.
    Type: Application
    Filed: May 27, 1999
    Publication date: April 25, 2002
    Inventors: THOI H. HO, EDWARD N. KNICKERBOCKER, REXFORD A. MAUGANS
  • Patent number: 6376574
    Abstract: The invention relates to a fast hardening aqueous coating composition comprising from about 95 to about 99 weight percent of an anionically stabilized aqueous emulsion of a copolymer having a Tg of from about 0° C. to about 40° C., the copolymer containing two or more ethylenically unsaturated monomers, wherein from 0 to about 4 weight percent of the monomers are &agr;,&bgr;-ethylenically unsaturated aliphatic carboxylic acid monomers; from about 0.2 to about 5 weight percent of a polyimine having a molecular weight of from about 250 to about 20,000; and from about 0.2 to about 5 weight percent of a volatile base, wherein the composition has a pH from about 8 to about 11, and wherein a cast film of the composition has a hardening rate measurement rating of at least 5 within 20 minutes after casting under ambient conditions of temperature up to 30° C. and relative humidity no less than 50 percent.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: April 23, 2002
    Assignee: The Dow Chemical Company
    Inventors: Bradley J. Helmer, James W. Young, Jr.
  • Publication number: 20020042461
    Abstract: A composition comprising a cyclic olefin addition copolymer containing recurring units of the following formulas (1) and (2), 1
    Type: Application
    Filed: October 2, 2001
    Publication date: April 11, 2002
    Applicant: JSR Corporation
    Inventors: Noboru Oshima, Yooichiroh Maruyama, Nobuyuki Sakabe, Katsutoshi Sawada, Kenzo Ohkita, Yuuichi Hashiguchi, Tarou Kanamori, Kouji Kawahara
  • Publication number: 20020040083
    Abstract: The present invention provides a flame-retardant which is not only excellent in flame-retarding property but also devoid of lowering moisture-resisting property specially in the course of molding of a resin so that the flame-retardant has little limitation for the molding method, the molding conditions and the intended use thereof. What is characterized is a flame-retardant comprising (a) an aliphatic amine salt of a phosphoric ester with 2-25 carbon atoms in the ester moiety thereof having a melting point of at least 100° C. but not more than a molding temperature of a thermoplastic resin and (b) a salt of phosphoric and/or polyphosphoric acid, the proportion of the component (a) to the component (b), i.e. (a)/(b) being ½-{fraction (5/1)} by weight ratio.
    Type: Application
    Filed: January 24, 2001
    Publication date: April 4, 2002
    Inventors: Tetsuo Kuwaki, Yasunobu Nakamura, Yasuhiro Muneuchi
  • Publication number: 20020040082
    Abstract: This invention relates to a coated substrate comprising (i) a substrate and (ii) a coating thereupon comprising a polymeric composition formed from (a) twenty-five to ninety-nine parts by weight of a poly(amide-imide) prepolymer; (b) one to twenty-five parts by weight of a trifunctional ester selected from the group consisting of trifunctional methacrylate ester, trifunctional acrylate ester, and mixtures thereof; (c) from 0.5 to fifteen parts by weight of an organo-reactive silane consisting of an amino group containing alkoxysilane having the formula NH2(CH2)nSi(OC2H5)3 where n is an integer from one to twenty; and (d) a conductive additive.
    Type: Application
    Filed: May 4, 2001
    Publication date: April 4, 2002
    Applicant: ALCHEMETAL CORP.
    Inventors: Mohan L. Sanduja, Carl Horowitz, Paul Thottathil, Lina Zilberman, Edward Greenwood
  • Patent number: 6365655
    Abstract: Disclosed is a method for stabilizing a crude oxy-methylene copolymer having thermally unstable terminal groups, which comprises subjecting a crude oxymethylene copolymer to heat treatment in the presence of at least one quaternary ammonium compound represented by the following formula (1): [R1R2R3R4N+]nX−n  (1) wherein each of R1, R2, R3 and R4 independently represents an unsubstituted or substituted alkyl group, an aryl group, an aralkyl group which is an unsubstituted or substituted alkyl group substituted with at least one aryl group, or an alkylaryl group which is an aryl group substituted with at least one unsubstituted or substituted alkyl group; n is an integer of from 1 to 3; and X is a hydroxyl group or an acid residue. In this method, even by the addition of a very small amount of the quaternary ammonium compound, the decomposition rate of the unstable terminal groups can be remarkably increased, thereby facilitating the stabilization of the crude copolymer.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: April 2, 2002
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Noritaka Tanimura, Hajime Nagahara, Tadashi Tanaka, Satoru Ohtsuki
  • Publication number: 20020037953
    Abstract: The invetion is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix oplymer and a layered clay material having decreased levels of extractable material, such as extratible saltssof organic cations. This invention is also derected to processes for preparing polymer-clay nanocomposites, intercalates, exfoliates, and articles or products produced from nanocomposite materials.
    Type: Application
    Filed: May 30, 2001
    Publication date: March 28, 2002
    Inventors: Tie Lan, Vasiliki Psihogios, Shriram Bagrodia, Louis Thomas Germinario, John Walker Gilmer
  • Patent number: 6335391
    Abstract: A latex adhesive for rubber/metal adhesion, which contains a copolymer consisting of, based on the weight of the copolymer, (A) 90.0 to 97.0% by weight of 2,3-dichloro-1,3-butadiene units, (B) 1.5 to 5.0% by weight of 1,2-dichloro-1,3-butadiene units, and (C) 1.5 to 5.0% by weight of 1,3-dichloro-1,3-butadiene units. The latex adhesive is prepared by polymerizing a monomer mixture consisting of the stated amounts of the monomers (A), (B) and (C) in the presence of a free-radical initiator, preferably a redox catalyst system, by an emulsion polymerization procedure. The latex adhesive has good mechanical stability and exhibits enhanced adhesion for rubber/metal adhesion.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: January 1, 2002
    Assignee: Tosoh Corporation
    Inventors: Seiji Matsumoto, Tsuneo Hironaka, Shinji Ozoe, Tamotsu Sato
  • Publication number: 20010056149
    Abstract: In the method for preparing a nanocomposite by intercalating a smectite clay with a quaternary ammonium ion, and exfoliating the intercalated clay into a polymer matrix; an improvement is disclosed which augments exfoliation. The smectite clay is edge treated with negatively charged organic molecules prior to the exfoliation. For these purposes a high charge density anionic polymer such as a polyacrylate may be used.
    Type: Application
    Filed: May 4, 2001
    Publication date: December 27, 2001
    Applicant: Southern Clay Products, Inc.
    Inventor: Clois E. Powell
  • Publication number: 20010053806
    Abstract: It is an object of the present invention to provide a curable composition comprising a crosslinking silyl-containing saturated hydrocarbon polymer and providing good weather-resistant adhesion.
    Type: Application
    Filed: December 3, 1998
    Publication date: December 20, 2001
    Inventors: MAKOTO CHIBA, TOSHIHIKO OKAMOTO, MASASHI SAKAGUCHI, JUNJI TAKASE
  • Publication number: 20010034390
    Abstract: In a method for improving antistatic properties, the improvement comprising the use of an antistatic composition comprising an ionic antistatic compound and a polar organic solvent; an antistatic composition comprising a nonmetallic antistatic compound, a metallic antistatic compound and a polar organic solvent; a formed article containing an antistatic composition comprising an ionic antistatic compound and a polar organic solvent; and a process for producing a polyurethane foam comprising reacting a polyol solution comprising a polyol component, a blowing agent and a catalyst, with an isocyanate prepolymer in the presence of an antistatic composition comprising an ionic antistatic compound and a polar organic solvent. The antistatic composition can be suitably used as shoe soles for safety shoes, working shoes, and the like.
    Type: Application
    Filed: March 14, 2001
    Publication date: October 25, 2001
    Inventors: Makoto Okubo, Kazuo Fukumoto
  • Patent number: 6288152
    Abstract: A room-temperature curable silicone rubber composition that excels in bonding durability. comprises. The present invention is a room-temperature curable composition comprising: (A) 100 parts by weight of a polydiorganosiloxane comprising (A-1) 20 to 100 parts by weight of a first polydiorganosiloxane, (A-2) 0 to 80 parts by weight of a second polydiorganosiloxane; (B) 1 to 20 parts by weight of an alkoxysilane or an alkoxysilane partial hydrolysis condensate; (C) 0.5 to 10 parts by weight of an organo-titanium compound; (D) 0.01 to 5 parts by weight of an additive selected from light stabilizers and UV absorbers.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: September 11, 2001
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Kazutoshi Okabe, Hiroshi Adachi, Toshio Saruyama
  • Patent number: 6288137
    Abstract: The present invention concerns a process for preparing an aqueous composition in the form of a gel at a given temperature. The process is characterized in that an associative water-soluble polymer constituted by a hydrophilic main chain and hydrophobic pendant groups is brought into the presence, in said composition, of at least one surfactant in the form of bilayers when it is in aqueous solution under the same temperature and concentration conditions. Compositions in the form of gels or liquids are thus obtained.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: September 11, 2001
    Assignee: LVMH Recherche
    Inventors: Ilias Iliopoulos, Anne Cartalas-Sarrazin, Karine Loyen, Roland Audebert, Alain Meybeck, Jean-François Tranchant
  • Publication number: 20010016611
    Abstract: The present invention provides an antithrombogenic composition containing an ionic complex of ammonium salts and heparin or a heparin derivative, the ammonium salts each comprising four aliphatic alkyl groups bonded thereto, wherein an ammonium salt containing four aliphatic alkyl groups having not less than 22 and not more than 26 carbon atoms in total is contained in an amount of not less than 5% and not more than 80% of the total ammonium salt by weight, which is capable of maintaining sufficient antithrombogenicity for a long time, and a medical device coated with the antithrombogenic composition.
    Type: Application
    Filed: January 26, 2001
    Publication date: August 23, 2001
    Inventors: Susumu Kashiwabara, Hidenori Tanaka, Masaki Sato
  • Patent number: 6271291
    Abstract: A novel composition is provided comprising a copolyester having CHDM moieties in amounts of about 1 to about 20 mole percent, and a particular antistat, that is extrudable.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: August 7, 2001
    Assignee: Eastman Chemical Company
    Inventors: Douglas Stephens McWilliams, Harold Eugene Dobbs, Scott Arnold Hanson, Emily Tedrow Bell
  • Patent number: 6262158
    Abstract: There is provided a rubber composition for tyre tread, which decreases rolling resistance without decreasing abrasion resistance. The rubber composition for tyre tread is obtained by mixing 100 parts by weight of a rubber component, 0.5 to 1 part by weight of N,N′-bis(2-methyl-2-nitropyl)-1,6-hexane-diamine 1 to 1.5 parts by weight of sulfur and 1 to 3 parts by weight of a vulcanization accelerator, and wherein an amount X of sulfur and an amount Y of a vulcanization accelerator satisfy the equation: 2X−1≦Y≦2X.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: July 17, 2001
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Yoichi Mizuno, Toshiro Matsuo
  • Patent number: 6252006
    Abstract: A coating composition of a fluororubber containing a fluorine-containing elastomeric copolymer which has repeating units of the formula: —CH2— in the backbone, a polyol curing agent, and a salt or a complex compound of a basic compound having a pKa of at least 8 and an organic acid as a curing accelerator. This composition is a one-pack type composition having a long pot life, and can provide a cured coating in a short time at a relatively low temperature. Furthermore, this composition can be applied by dispenser type coating or screen printing, even when the concentration of the fluorine-containing copolymer is high.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: June 26, 2001
    Assignee: Daikin Industries Ltd.
    Inventors: Nobuyuki Tomihashi, Kiyotaro Terasaka, Toshiyuki Kinoshita
  • Patent number: 6235819
    Abstract: A method for scavenging amines within polymeric compositions of matter comprising the step of adding to a polymeric composition of matter at least one triazine compound, wherein said triazine compound is defined according to the formula: where X is selected from the group consisting of hydrogen, halides, amines, and organic groups having from 1 to about 20 carbon atoms, Y is selected from the group consisting of halides, alkoxy derivatives, amine derivatives, aryloxy derivatives, and urea derivatives, with the proviso that the substituent Y is displacable by a reaction with a secondary amine, and Z is selected from the group consisting of alkoxy derivatives, amino derivatives, aryloxy derivatives, and urea derivatives, with the proviso that the substituent Z is displacable by a reaction with a secondary amine.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: May 22, 2001
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, Ashley S. Hilton, John R. Schreffler, Roderic P. Quirk
  • Patent number: 6207738
    Abstract: A coating composition for fabrics includes wetted microspheres containing a phase change material dispersed throughout a polymer binder, a surfactant, a dispersant, an antifoam agent and a thickener. Preferred phase change materials include paraffinic hydrocarbons. The microspheres may be microencapsulated. To prepare the coating composition, microspheres containing phase change material are wetted and dispersed in a dispersion in a water solution containing a surfactant, a dispersant, an antifoam agent and a polymer mixture. The coating is then applied to a fabric.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: March 27, 2001
    Assignee: Outlast Technologies, Inc.
    Inventors: Joseph L. Zuckerman, Robert J. Pushaw, Bernard T. Perry, Daniel M. Wyner
  • Patent number: 6204316
    Abstract: The present invention relates to a binder composition comprising a polycarbonate polymer; an ethylenebisamide wax; and a guanidine wetting agent. The present invention further relates to a method for forming a sintered part by powder injection molding, including the steps of forming a green composition comprising a binder and an inorganic powder, wherein binder is a composition comprising a polycarbonate polymer, an ethylenebisamide wax, and a guanidine wetting agent; melting the composition; injecting the composition into a mold for a part; heating the part to a temperature at which the binder decomposes; heating the part to a temperature at which the inorganic powder is sintered. The binder composition of the present invention is useful for press and sinter applications as well as for powder injection molding applications.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: March 20, 2001
    Assignee: Stanton Advanced Materials, Inc.
    Inventor: Karl-Heinz Schofalvi
  • Patent number: 6201049
    Abstract: A rubber composition which is superior in ozone resistance and is hard to be discolored brown and white which comprises 0.5 to 2.5 parts by weight of a wax containing a component with 45 or more carbon atoms and having an average number of carbon atoms of 28 to 38 and 3.0 to 7.0 parts by weight of antioxidant containing 30 to 100% by weight of N-(1-methylheptyl)-N′-phenyl-p-phenylenediamine per 100 parts by weight of a diene rubber component.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: March 13, 2001
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shuichi Sakamoto, Masato Kawase, Noboru Wakabayashi, Isamu Tsumori, Marina Kotani, Yoichi Mizuno
  • Patent number: 6194330
    Abstract: A process for the production of an ultra violet absorbing polymer latex is provided. The inventive process involves the emulsion polymerization of a benzotriazole- or benzophenone-containing monomer with a vinyl functional monomer in the presence of a chain transfer agent, preferably 1-dodecanethiol. The latex provides excellent long-lasting, easy to apply, difficult to remove, ultraviolet absorption properties for many different substrates, most notably fabrics. Different articles and fabrics coated, covered, laminated, and the like, with the inventive latex are also provided.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: February 27, 2001
    Assignee: Milliken & Company
    Inventors: Kirkland W. Vogt, Shulong Li
  • Patent number: 6194120
    Abstract: Optical waveguides prepared by irradiating selected regions of positive photochromic polymeric materials with actinic radiation are disclosed. The photochromic materials undergo an irreversible photochemical change which results in an increase in the refractive index of light-exposed regions. In addition, the materials exhibit negligible second-order polarizability prior to exposure and excellent nonlinear optical properties after exposure and polarization. Thus, the exposed regions are particularly useful as the core in active waveguides for use in second-order nonlinear optical applications, as well as the core in passive waveguides. In addition, a simple two step process is disclosed for forming optical waveguides from the positive photochromic polymers. Optical structures, such as optical integrated circuits, and optical devices which incorporate the waveguides are also disclosed.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: February 27, 2001
    Assignee: Molecular OptoElectronics Corporation
    Inventors: Kwok Pong Chan, Brian L. Lawrence
  • Patent number: 6187843
    Abstract: A rubber composition for use in a tread of a pneumatic tire comprises particular amounts of particular nitrogen-containing compound and particular proton acid or derivative thereof based on 100 parts by weight of rubber ingredient, and develops an excellent gripping performance.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: February 13, 2001
    Assignee: Bridgestone Corporation
    Inventors: Daisuke Nohara, Kazuya Hatakeyama
  • Patent number: 6174354
    Abstract: The invention provides an ink comprising a coloring material, a solvent for dissolving or dispersing the coloring material, and an amphoteric polymer having both anionic and cationic groups. The invention also provides an ink-jet recording process and apparatus using such an ink.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: January 16, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshihisa Takizawa, Yoshifumi Hattori, Mayumi Yamamoto, Mikio Sanada
  • Patent number: 6172153
    Abstract: A polymer composition and fiber, film and fabric prepared therefrom. The composition contains (i) an acid neutralizing agent other than a metallic salt of a saturated or unsaturated fatty acid, (ii) a processing aid comprising a metallic salt of a saturated or unsaturated fatty acid, the metallic salt of a saturated or unsaturated being present in a maximum amount of 200 ppm, a stabilizer system containing (a) a phosphite selected from the group consisting of 2,2′,2″-nitrilo[triethyl-tris(3,3′,5,5′-tetra-tert.butyl-1, 1-biphenyl-2,2′-diyl)phosphite] and tris(2,4-di-tert-butylphenyl) phosphite; and (b) a N,N-dialkylhydroxylamine. Also disclosed is a method for preparing a polyolefin fiber, film or fabric which includes (A) incorporating the above additives into an olefin polymer, thereby producing a stabilized polyolefin polymer; and (B) extruding the stabilized olefin polymer through a die, thereby producing a olefin polymer fiber or film.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: January 9, 2001
    Assignee: Montell North America Inc.
    Inventor: Michael E. Starsinic