Patents Represented by Law Firm Burgess, Ryan & Wayne
  • Patent number: 6333309
    Abstract: The new glycoprotein, which possesses an anti-tumor activity, a leukemia cell differentiation inducing activity, a cellular immunology enhancing activity, a vascular endothelial cell growth stimulating activity and a hepatocyte growth stimulating activity, can be obtained.
    Type: Grant
    Filed: March 19, 1996
    Date of Patent: December 25, 2001
    Assignee: Snow Brand Milk Products Co., Ltd.
    Inventors: Kanji Higashio, Shinjiro Mitsuda, Nobuyuki Shima, Yasuharu Itagaki, Masaya Nagao
  • Patent number: 6263615
    Abstract: It has been known that water having a pH value of 5.5 to 7.5 is suited for the rearing of fresh-water fish and hydroponic cultivation of plants. Bottom soils or filtering media prepared by mixing carbonates of alkali metals or alkali-earth metals with volcano-ash-base soils and sintering the mixture into granules. When used in water tanks or reservoirs for fish rearing or hydroponic cultivation, the bottom soils or filtering media thus prepared provide favorable environments for such rearing and cultivation.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: July 24, 2001
    Assignee: Hirose Co., Ltd.
    Inventor: Mitsuru Hirose
  • Patent number: 6262167
    Abstract: The invention relates to protective-colloid-stabilized polymer compositions in the form of their aqueous polymer dispersions or water-redispersible polymer powders, which comprise at least one film-forming base polymer and a protective colloid, wherein the protective colloid is a sulfonated condensation product made from unsaturated di- or polycarboxylic acids and from at least one compound selected from the class encompassing diols, polyols, diamines and polyamines.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: July 17, 2001
    Assignee: Wacker Chemie GmbH
    Inventors: Hans-Peter Weitzel, Peter Tschirner, Reiner Figge, Doris Bauer, Peter Ball
  • Patent number: 6262315
    Abstract: A dihydric phenolic compound is produced, with a high selectivity thereof, by a plurality of oxidation reactors connected to each other in series, by (1) feeding a monohydric phenolic compound with a temperature of 30 to 100° C.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: July 17, 2001
    Assignee: Ube Industries, Ltd.
    Inventors: Yukio Inaba, Kazunori Fujita, Hiroshi Kofuji
  • Patent number: 6262163
    Abstract: The invention relates to a process for preparing protective-colloid-stabilized vinyl ester or vinyl ester-ethylene polymers in the form of their aqueous dispersions by emulsion polymerization in the presence of one or more protective colloids, which comprises carrying out the polymerization in the presence of a hydrophobic but silane-free protective colloid based on (meth)acrylate polymers with from 80 to 95% by weight, based on the total weight of the copolymer, of acrylic or methacrylic esters of aliphatic alcohols having from 1 to 12 carbon atoms, and from 5 to 20% by weight, based on the total weight of the copolymer, of ethylenically unsaturated mono- or dicarboxylic acids, and with a glass transition temperature Tg of the copolymer of from 60 to 120° C., and with a Fikentscher K value of the copolymer of from 20 to 50.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: July 17, 2001
    Assignee: Wacker Chemie GmbH
    Inventors: Hans-Peter Weitzel, Udo Kotschi, Manfred Hannebaum
  • Patent number: 6255484
    Abstract: A cyanurate compound having three oxetane ring groups and represented by the general formula (1): wherein R1 represents a member selected from the group consisting of a hydrogen atom and alkyl groups having 1 to 6 carbon atoms, is useful as a photosetting monomer or thermosetting monomer, and thus is used, together with a hardening agent, for example, a polycarboxylic anhydride and a catalyst, for example, an amine, a carboxylic acid metal salt or a protonic acid, to provide an organic hardening composition usable for producing electronic materials, for example, resists.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: July 3, 2001
    Assignee: Ube Industries, Ltd.
    Inventors: Mikito Kashima, Yumiki Noda, Harutoshi Hoshino, Toshikazu Machida
  • Patent number: 6250648
    Abstract: A metallic base gasket coated with elastic membrane having an outer sealing portion for sealing an outer circumference of a refrigerant compressor and an inner sealing portion for sealing boundaries between high and low pressure regions within the compressor, the outer and inner sealing portions being formed in an elastically deformable ridge, and at least one section of the ridge of the inner sealing portion being trifurcatedly connected to a portion of the ridge of the outer sealing portion to have a geometrical arrangement in which apex lines of the connected three ridges are equiangularly spaced apart from one another with respect to the center of the trifurcated connection of the ridges. The gasket may have an extended flat or curved face portion at the trifurcatedly connected ridges to permit the apexes of the connected ridges lie in the extended flat or curved face portion.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: June 26, 2001
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Hayato Ikeda, Noriyuki Shintoku, Keishi Nakagaki, Tomohiro Wakita
  • Patent number: 6242512
    Abstract: The invention provides a redispersible polymer powder based on a mixture of water-insoluble polymer and a water-soluble atomized protective colloid which can be de-activated through a pH change. In addition, the invention concerns aqueous dispersions that can be prepared with the polymer powder and the use of the polymer powder or its aqueous dispersions as a bonding agent in adhesives, plasters or paints.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: June 5, 2001
    Assignee: Wacker Chemie GmbH
    Inventors: Reiner Figge, Harald Zeh, Rudolf Weissgerber
  • Patent number: 6242541
    Abstract: A process for preparing homo- and copolymers of vinyl chloride by batch polymerization in aqueous emulsion in the presence of an emulsifier combination comprising at least two emulsifiers selected from the class consisting of anionic and nonionic emulsifiers, metered in during the polymerization, which comprises metering-in in the first phase of the polymerization, at least one emulsifier of the emulsifier combination having at least 10 carbon atoms, and not starting to meter in the remaining emulsifiers of the emulsifier combination until a polymerization conversion of at least 10% has been reached.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: June 5, 2001
    Assignee: Vinnolit Kunststoff GmbH
    Inventors: Robert Hohenadel, Rudolf Puhe, Eberhard Baer, Alfred Lux
  • Patent number: 6231921
    Abstract: The invention discloses a method of using crosslinkable polymer powders for producing ballistic-resistant fiber materials, which comprises consolidating the textile sheet materials by means of pulverulent crosslinkable copolymers which are based on ethylenically unsaturated monomers and have a glass transition temperature Tg or a melting point of ≧40° C. and a melt viscosity of ≧2000 mPas.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: May 15, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Abdulmajid Hashemzadeh, Klaus Kohlhammer
  • Patent number: 6228937
    Abstract: A crosslinkable powder composition is provided which is redispersible in water and comprises a) from 30 to 95 parts by weight of a water-insoluble, film-forming polymer of one or more free-radically polymerizable, ethylenically unsaturated monomers, b) from 5 to 70 parts by weight of a water-soluble polymer, where at least one of the polymer components a) and b) comprises one or more comonomer units containing reactive groups which can form a chemical, nonionic bond with one another or with crosslinkers, and the parts by weight of a) and b) add up to 100 parts by weight, and c) from 0.01 to 5% by weight, based on the total weight of a) and b), of at least one phase transfer catalyst.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: May 8, 2001
    Assignee: Wacker Chemie GmbH
    Inventors: Herbert Eck, Theo Mayer, Hans-Peter Weitzel
  • Patent number: 6217295
    Abstract: A swash plate (3, 18) and pistons (6, 17) included in a swash plate type compressor are made of an aluminum alloy as a base material. Rotation-preventive interfering surfaces (6d, 17d) of the pistons (6, 17) which interfere with another member to restrain the pistons from rotation about their axes are coated with a film of a solid lubricant. Sliding contact surfaces (6a, 17a) of the pistons (6, 17) in sliding contact with surfaces defining cylinder bores (5, 16) are coated with a film of a solid lubricant. When the rotation-preventive interfering surfaces (6d) of the pistons (6) come into impulsive contact with the outer circumference (3b) of the swash plate (3), the outer circumference (3b) of the swash plate (3) is coated with a lubricating film.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: April 17, 2001
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Takayuki Kato, Hayato Ikeda, Seiji Katayama, Masaaki Taga
  • Patent number: 6218449
    Abstract: The invention provides a method comprising contacting, between 100° C. and 230° C. and under agitation, an elastomer, a functionalising agent and optionally, a peroxide compound. The functionalising agent is a thiolcarboxylic acid polyester or a reaction product of a thiolcarboxylic acid or ester with ethylene sulphide. The functionalised elastomer can also be pre-formed, then incorporated into the bitumen. The resulting compositions are usable directly or after dilution, for forming bituminous binders to produce surfacing, coating and waterproofing materials.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: April 17, 2001
    Assignee: Elf Antar France
    Inventors: Jean-Pascal Planche, Paul Maldonado, Bernard Neff, Thierry Senninger, Annie Zins, St{overscore (e)}phane Drouilhet
  • Patent number: 6214808
    Abstract: A hemostatic agent, an age for promoting cellular adhesion and an agent for curing an injury, each comprising an alkali or alkali earth metal salt of carboxylmethyl cellulose, and a pharmaceutically acceptable carrier are disclosed.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: April 10, 2001
    Assignee: Hogy Medical Co., Ltd.
    Inventors: Gilbu Soe, Motonori Aoshima, Koichi Takada
  • Patent number: 6210464
    Abstract: A mixed gas-separating membrane module having a high separating efficiency includes a cylindrical container having a mixed gas-feed section, a non-permeated gas-delivery section, and a middle section; a bundle of a plurality of hollow fibers each extending through the middle section and each having an end portion opening to the mixed gas-feed section and an opposite end portion opening to the non-permeated gas-delivery section; a pair of a first disk supporting the hollow fiber end portion opening to the mixed gas-feed section and partitioning the middle section from the mixed gas-feed section, and a second disk supporting the opposite hollow fiber end portions opening to the non-permeated gas-delivery section and partitioning the middle section from the non-permeated gas-delivery section, the first and second disks supporting the hollow fibers so that the hollow fibers are spaced from each other, to leave a continuous space between the hollow fibers; and a cylindrical film member surrounding the hollow fiber
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: April 3, 2001
    Assignee: Ube Industries, Ltd.
    Inventors: Shunsuke Nakanishi, Masao Kikuchi, Yoshihiro Kusuki, Tatsuo Yamamoto, Mitsuo Maeda
  • Patent number: 6211289
    Abstract: Modified polyvinyl acetals are prepared by saponification of 1-alkylvinyl acetate-vinyl acetate copolymers, which contain 1-alkylvinyl acetate/vinyl acetate in a weight ratio of 1/99-40/60 and subsequent acetalization the saponification products containing at least 80% units of vinyl alcohol and 1-alkyl vinyl alcohol with one or more aliphatic aldehydes with 1-6 C atoms under acid catalysis in an aqueous and/or organic medium; as well as to a method for the manufacture and the use thereof, especially in printing inks.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: April 3, 2001
    Assignee: Wacker Chemie GmbH
    Inventors: Peter Tschirner, Peter Heiling, Otto-Sebastian Huber, Guenter Braunsperger, Klaus Haefner, Georg Friedl
  • Patent number: 6203930
    Abstract: (1) An undercoat layer is formed on a surface of a substrate mainly composed of iron by coating the substrate with at least one metal selected from the group consisting of zinc, tin, lead, aluminum, chromium, nickel and copper by hot dipping, electroplating, penetration plating, thermal spraying or chemical plating, or a paint containing at least one rust preventive pigment selected from the group consisting of zinc dust, zinc chromate, minium, basic lead chromate, strontium chromate and lead chromate, and then, (2) the undercoat layer is coated with a paint composition mainly composed of (a) 100 parts by weight of an inorganic filler, (b) 5 to 30 parts by weight of a binder in terms of solid content, and (c) 10 to 100 parts by weight of water and/or a hydrophilic organic solvent, and the composition is hardened by drying at ordinary temperature or heat drying at low temperature to form an overcoat layer, thereby obtaining a rust preventive coating good in hydrophilic properties, air permeability and drying p
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: March 20, 2001
    Assignee: Kabushiki Kaisha Nippankenkyusho
    Inventor: Yoshio Ichikawa
  • Patent number: 6200587
    Abstract: A tissue sealant comprising thrombin, fibrinogen, and carboxylmethyl cellulose or an alkali metal or alkali earth metal salt thereof is disclosed. The tissue sealant of the present invention promotes a hemostasis of an injury to a skin surface or a viscus, a healing of an injury, an endothelium formation of a blood vessel, an adhesive activity of animal cells, such as endothelial cells or fibroblasts in vitro, and an adhesion and agglutination of platelets.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: March 13, 2001
    Assignee: Hogy Medical Co., Ltd.
    Inventors: Gilbu Soe, Motonori Aoshima, Koichi Takada
  • Patent number: 6197863
    Abstract: Crosslinkable powder compositions are provided which are redispersible in water and comprise a) from 30 to 95 parts by weight of one or more water-insoluble, film-forming polymers of one or more free-radically polymerizable, ethylenically unsaturated monomers, b) from 5 to 70 parts by weight of one or more water-soluble polymers, where at least one of the polymer components a) and b) comprises one or more comonomer units containing crosslinkable groups, and the parts by weight of a) and b) add up to 100 parts by weight, and c) from 0.5 to 30% by weight, based on the total weight of a) and b), of inorganic or organic solids which are insoluble in water and in organic solvents and have a mean particle size of from 5 nm to 100 &mgr;m, which solids have, chemically bound to their surface, functional groups capable of forming covalent bonds with the crosslinkable groups of the polymers a) and b).
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: March 6, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Herbert Eck, Reiner Figge, Herbert Barthel
  • Patent number: 6197871
    Abstract: The invention provides thickeners based on carboxyl- and carboxamido-containing addition polymers obtainable by free-radical emulsion or suspension polymerization of: a) from 30 to 70% by weight of carboxyl-containing, ethylenically unsaturated monomers, b) from 10 to 70% by weight of carboxamido-containing, ethylenically unsaturated monomers, and c) from 0.1 to 30% by weight of further ethylenically unsaturated monomers in the presence of at least 5% by weight of one or more water-soluble protective colloids from the group consisting of polyvinyl alcohols, polyvinyl pyrrolidones and (meth)acrylate-(meth)acrylic acid copolymers, the percentages by weight being based in each case on the overall weight of the comonomers.
    Type: Grant
    Filed: January 15, 2000
    Date of Patent: March 6, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Hans-Peter Weitzel, Robert Braunsperger