Patents Examined by W. Robinson H. Clark
  • Glazing
    Patent number: 5589272
    Abstract: A transparent glass/plastic material composite pane, comprising at least one transparent plastic pane, at least one glass pane and according to demand an adhesion-promoting intermediate layer between the glass pane and the plastic pane, the glass pane being a glass film of a layer thickness of from 30 to 1,000 .mu.m.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: December 31, 1996
    Assignee: Dornier GmbH
    Inventors: Rudiger Braun, Manfred Arnold, Thomas Meisel, Werner Scherber, Gunther Abersfelder, Stefan Uhl
  • Esterification product of aromatic novolak resin with quinone diazide sulfonyl group
    Patent number: 5589553
    Abstract: A resin suitable for use as a photoresist that is the esterification product of an o-quinonediazide compound and an aromatic novolak resin. The aromatic novolak resin may be the condensation product of a reactive phenol with a bis(hydroxymethyl)phenol or an aromatic aldehyde. The aromatic resin may be chain extended by further reaction with an additional aldehyde. The resin has a maximum of 20 percent of its phenolic hydroxyl groups esterified with the o-quinonediazide sulfonate compound.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: December 31, 1996
    Assignee: Shipley Company, L.L.C.
    Inventors: Anthony Zampini, Peter Trefonas, III
  • Mixture of fluorocarbon rubber and silicone/acrylate core/shell rubber
    Patent number: 5587424
    Abstract: Novel vulcanizable mixtures comprising silicone-core, acrylate-shell rubber particles dispersed within a fluorocarbon rubber.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: December 24, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Langstein, Ralf Kr uger, Karl-Erwin Piejko, Ulrich Eisele, Leo Morbitzer
  • Flow formable composites having polymodal fiber distributions
    Patent number: 5585432
    Abstract: Reinforced polymer composites having a uniform mixture of reinforcing fibers having a polymodal length distribution and having polymer particulates are provided exhibiting a good balance of impact strength and processability/formability. The composites are prepared by forming a dilute aqueous slurry of a solid heat-fusible organic polymer and a reinforcing material having a polymodal length distribution, agitating the slurry and then dewatering the slurry to provide a mat of thermoplastic polymer particles and reinforcing fiber. The mat is dried and then stamped under pressure and heat to consolidate the thermoplastic material and form a sheet-like composite structure.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: December 17, 1996
    Assignee: General Electric Company
    Inventors: Walter J. Lee, Scott M. Davis, Barbara E. Kaler, Daniel R. Arick
  • Remeltable thermoset resin
    Patent number: 5585438
    Abstract: Melamine thermoset resins with low formaldehyde volatiles display a remeltable solid phase, a liquid phase, and a cured solid phase. These resins are formulated from melamine, glycerol as a cross-linker, polyvinyl acetate homopolymer, and sucrose as a formaldehyde scavenger in an aqueous solvent. Optional ingredients for controlling the resin adhesive's crosslinking and/or curing rate include ethylene glycol, a pH buffering system such as citric acid/sodium diacetate, and an amine block sulfonic acid salt. The compositions are particularly useful as resins for coatings, saturations, and bonding of synthetic fibers into fabric mats, and display thermal stability and rigidity at temperatures ranging up to 370.degree. C.
    Type: Grant
    Filed: August 29, 1995
    Date of Patent: December 17, 1996
    Inventor: Charles S. Esu
  • Polyimide composite tube and method of manufacturing the same
    Patent number: 5582886
    Abstract: A seamless polyimide composite tube which includes a polyimide layer, a conductive primer layer on the surface of the polyimide layer and a fluororesin layer on the surface of the primer layer and a method of manufacturing the composite tube.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: December 10, 1996
    Assignee: I.S.T. Corporation
    Inventors: Tadashi Kitajima, Tetsuya Itagaki, Takahiro Yoshida, Yoshitaka Hongou, Masafumi Matsumura
  • Re crosslinkable composition and method for recycling using the same
    Patent number: 5583161
    Abstract: The present invention provides a method for recycling a polymer crosslinked through acyl carbamate bond. Disclosed is a re-crosslinkable composition obtained by adding an alcohol to the polymer crosslinked through acyl carbamate bond and heating.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: December 10, 1996
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Makoto Ando, Satoshi Urano
  • Manufacturing method of a light scattering light guide
    Patent number: 5580932
    Abstract: A light scattering light guide, which is capable of converting a light flux of a relatively small cross-sectional area into a light flux of a relatively large area with high efficiency and uniformity, manufacturing method thereof, and applied optical apparatuses such as backlight light source apparatuses and light branching/mixing devices which make effective use of the characteristics of said light scattering light guide. Such light scattering light guide is obtained by utilizing various structures with irregular refraction indexes generated in the process of polymerization of organic materials.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: December 3, 1996
    Inventor: Yasuhiro Koike
  • Method of treating a packaging element, especially for medical or pharmaceutical use; packaging element thus treated
    Patent number: 5576068
    Abstract: The present invention relates to a method of treating a packaging element, specially a sealing element, comprising the coating with a polymer film of at least those parts of said element which are liable to be in contact with the products packaged, wherein said coating is produced by polymerization, assisted by cold-far-remote-plasma, of at least one monomer chosen from siloxanes and silazanes of formula: ##STR1## in which: A represents an oxygen atom or the NH group and;R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 represent, independently, a hydrogen atom or an alkyl or alkoxy group having from 1 to 4 carbon atoms, preferably a methyl group. Application: stoppers intended for a medical or pharmaceutical use.
    Type: Grant
    Filed: July 5, 1995
    Date of Patent: November 19, 1996
    Assignee: Societe De Transformation Des Elastomers A Usages Medicaux Et Industriels
    Inventors: Laurent Caburet, Kamyar Asfardjani, Odile Dessaux, Pierre Goudmand, Charaffedine Jama
  • Building material sheeting
    Patent number: 5574080
    Abstract: A building material including reclaimed leather, neoprene, and nylon. The reclaimed materials are shredded and blended together with a matrix material. The matrix material is a polymeric adhesive. The chips with the matrix material are heated to form a uniform mixture. The uniform mixture is then molded into the building material sheets.
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: November 12, 1996
    Inventor: Darwin J. Longhart
  • Gas barrier film and production process thereof
    Patent number: 5574096
    Abstract: Disclosed herein is a gas barrier film formed from a mixture containing polyvinyl alcohol and a partially neutralized product of poly(meth)acrylic acid in a weight ratio of 95:5 to 10:90, and having an oxygen permeability constant of 1.25.times.10.sup.-3 ml(STP).multidot.cm/m.sup.2 .multidot.h.multidot.atm{Pa} or smaller as measured under conditions of 30.degree. C. and 80% relative humidity. A production process of the gas barrier film, in which a film formed from a mixture containing polyvinyl alcohol and a partially neutralized product of poly(meth)acrylic acid is subjected to a heat treatment under specific conditions, is also disclosed. The gas barrier film of the invention is excellent in water resistance and oxygen gas barrier property, free of any chlorine atom, and scarcely colored.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: November 12, 1996
    Assignee: Kureha Kagaku Kogyo K.K.
    Inventors: Hideaki Tanaka, Hiroyuki Oba, Kazuhiko Hirose
  • Aminoresin based coatings containing 1,3,5-triazine tris-carbamate co-crosslinkers
    Patent number: 5574103
    Abstract: An acid cured coating composition containing a hydroxyfunctional acrylic or polyester resin and a 1,3,5-triazine-2,4,6-tris-carbamate. Also provided is an acid cured coating composition containing a hydroxyfunctional acrylic or polyester resin, a crosslinking agent such as a melamine-formaldehyde or a related aminoresin, and a co-crosslinking agent derived from a triazine tris-carbamate such as 2,4,6-tris-(butoxycarbonylamino)-1,3,5-triazine. Also provided is an improved method of coating using the above coating compositions. The coating compositions described in this invention have lower cure temperatures, lower formaldehyde emissions during cure, and produce films and objects which have superior environmental etch resistance than the conventional melamine-formaldehyde coatings which do not have a triazine tris-carbamate co-crosslinker.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: November 12, 1996
    Assignee: Cytec Technology Corp.
    Inventors: Kuang-Jong Wu, Doris C. O'Toole
  • Resin composition
    Patent number: 5571871
    Abstract: A resin composition comprises an EVOH (A) and a thermoplastic polymer (B) having at least one functional group selected from the group consisting of boronic acid group, borinic acid group and boron-containing groups convertible into boronic acid group or borinic acid group in the presence of water. The composition may further comprise a thermoplastic polymer (C) other than (A) or (B). The resin compositions thus obtained have good compatibility and give molded products having superior transparency and good mechanical properties.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: November 5, 1996
    Assignee: Kuraray Co., Ltd.
    Inventors: Kaoru Ikeda, Toshiaki Sato, Kazushige Ishiura
  • Polymeric blends
    Patent number: 5569710
    Abstract: Polymer blends of at least one polar polymer are prepared by admixture with a poly(vinyl alcohol) and a (meth)acrylate copolymer also containing vinyl amide and/or unsaturated acid units. The ternary compositions have attractive processing and performance properties.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: October 29, 1996
    Assignee: Rohm and Haas Company
    Inventors: Edward E. LaFleur, William J. Work, Robert M. Amici, Newman M. Bortnick, Norman L. Holy
  • N-vinyl-n-acyl urea resins
    Patent number: 5569725
    Abstract: A class of unsaturated resins which are suitable for use in radiation curable coatings has been developed. The resins comprise N-vinyl-N-acyl oligomers made by reacting a secondary N-vinylamide with a polyisocyanate monomer which is reacted with at least one mono- or polyhydric alcohol to form a urethane linkage.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: October 29, 1996
    Assignee: Air Products and Chemicals, Inc.
    Inventors: W. Eamon Carroll, Walter L. Renz, Andrew F. Nordquist, Robert K. Pinschmidt, Jr.
  • Poly(vinyl alcohol) blends
    Patent number: 5567768
    Abstract: Polymers containing a high percentage of vinyl alcohol units may be blended with copolymers of alkyl methacrylates and unsaturated organic acids and processed into sheet, film, fiber and other objects which exhibit an useful balance of barrier and strength properties.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: October 22, 1996
    Assignee: Rohm and Haas Company
    Inventors: Robert M. Amici, Edward E. LaFleur, William J. Work
  • Liquid crystalline polymer blends with improved wear properties
    Patent number: 5567770
    Abstract: This invention relates to liquid crystalline polymers, having a glass transition temperature of greater than 140.degree. C., blended with tetrafluoroethylene polymers, said blends having improved wear properties.
    Type: Grant
    Filed: May 17, 1994
    Date of Patent: October 22, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert R. Luise
  • Acid etch resistant automotive topcoat
    Patent number: 5565531
    Abstract: The present invention relates to improved acid etch resistant polymers and coatings, and their method of preparation whereby polyurethane polyols, which because of long alkyl side chains that include a single ether group in the chain, when reacted with a melamine compound, such as, hexakismethoxymethylmelamine, form coatings that have excellent solubility in hydrophobic solvents and provide films with excellent acid etch resistance. The polymers, because of their excellent acid etch resistance and exterior durability can be used for automotive clear coats or single coats.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: October 15, 1996
    Assignee: King Industries, Inc.
    Inventor: Werner J. Blank
  • Photoresist composition including polyalkylmethacrylate co-polymer of polyhydroxystyrene
    Patent number: 5561194
    Abstract: A polyalkylmethacrylate co-polymer of polyhydroxystyrene has been found to be an ideal blending partner in a novolak photoresist composition. The preferred co-polymer is poly(p-hydroxystyrene)-co-(methyl methacrylate). The co-polymer is fully miscible with novolaks and has a high thermal stability (>150.degree. C.).
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: October 1, 1996
    Assignee: International Business Machines Corporation
    Inventors: Kathleen M. Cornett, Judy B. Dorn, Margaret C. Lawson, Leo L. Linehan, Wayne M. Moreau, Randolph J. Smith, Gary T. Spinillo
  • Thermoplastic resin composition
    Patent number: 5559185
    Abstract: A thermoplastic resin composition superior in impact resistance, heat resistance, flexural rigidity, processability and solvent resistance which comprises: (A) 100 parts by weight of a resin composition comprising 5-95% by weight of a polyphenylene ether, or a polyphenylene ether and polystyrene, and 95-5% by weight of a polyamide resin; (B) 5-50 parts by weight of a modified saturated rubber obtained by grafting 5-100 parts by weight of an aromatic vinyl compound on 100 parts by weight of a saturated type rubber and allowing 0.05-10 parts by weight of a compatibilizing agent to react with said rubber; and (c) 0.05-20 parts by weight of a compatibilizing agent.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: September 24, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroomi Abe, Taichi Nishio, Yasurou Suzuki, Mitsuji Tsuji, Takashi Sanada