Patents Represented by Law Firm Wyatt Gerber Burke
  • Patent number: 5180780
    Abstract: The rubber-modified styrene-based copolymeric resin of the invention comprises a matrix phase of a copolymer of styrene and acrylonitrile and a dispersed phase of particles of an S-B type block-copolymeric rubber of styrene and butadiene as prepared by the bulk-suspension polymerization method or continuous bulk polymerization of the monomers in the presence of the rubber. The rubber-modified styrene-based copolymeric resin is imparted with excellent rigidity, impact strength and appearance, in particular, in welded portions when it is prepared by adequately selecting several parameters including the weight proportion of the moieties derived from styrene and acrylonitrile in the matrix phase and content of styrene, solution viscosity, content of 1,2-unsaturated linkages, particle size and distribution thereof in the rubber constituting the dispersed phase.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: January 19, 1993
    Assignee: Idemitsu Petrochemical Company Limited
    Inventors: Shinichi Nakamura, Yutaka Tubokura, Eiichi Terada
  • Patent number: 5180653
    Abstract: An electron beam-curable resist composition suitable for fine patterning works in the manufacturing process of semiconductor devices is proposed which is outstandingly stable in storage and capable of being developed using an aqueous alkaline developer solution without scums and giving a patterned resist layer with high contrast and orthogonal cross sectional profile of a line pattern. The composition comprises (A) a triazine compound, such as 2-(4-methoxyphenyl)-4,6-bis(trichloromethyl)-1,3,5-triazine, (B) a cresol novolac resin, of which at least 30% by weight of the phenolic moiety is derived from m-cresol, and (C) an alkoxymethylated melamine resin in specified proportions of (B):(C) and (A):[(B)+(C)]. The sensitivity of the resist composition is greatly enhanced by a heat treatment of the resist layer at 90.degree.-140.degree. C. after patternwise irradiation with electron beams.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: January 19, 1993
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Masanori Miyabe, Hidekatsu Kohara, Toshimasa Nakayama
  • Patent number: 5173593
    Abstract: A car-borne electric cigar lighter includes a receptacle having a spring contact for receiving the heater element of the lighter for energization. A pair of spaced electrially conductive connecting plates form part of the electrical circuit to the spring contact. A circuit breakable electrically conductive spacer including a heat resistant, form-retaining resilient plate of an electrically insulating rubber, e.g., silicone rubber, penetrated between opposite surfaces with a thermally fusible, electrically conductive portion made from a low melting point metal, e.g., tin foils, to be in contact with the two connecting plates on both sides of the spacer forms an electrical connection between the plates through the tin foils. In case of overheating, the tin foils are melted down to open the electric circuit to the spring contact without losing the mechanical integrity of the spacer to serve as an insulator between the connecting plates.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: December 22, 1992
    Assignee: Shin-Etxu Polymer Co., Ltd.
    Inventors: Tutomu Ogino, Akio Nakamura
  • Patent number: 5173529
    Abstract: An organopolysiloxane-based adhesive composition is proposed which exhibits very reliable adhesive bonding by being cured not only at an elevated temperature but also at room temperature. The adhesive composition comprises, in addition to an alkenyl group-containing diorganopolysiloxane, an organohydrogenpolysiloxane, which serves as a crosslinking agent of the alkenyl group-containing diorganopolysiloxane by the hydrosilation reaction, and a platinum compound to catalytically promote the reaction, a compound having an .alpha.-substituted or unsubstituted .beta.-aminopropionyl group and an alkoxysilyl-substituted alkyl group such as the compounds of the formulas(CH.sub.3 O).sub.3 Si--(CH.sub.2).sub.3 --NH--(CH.sub.2).sub.2 --CO--O--(CH.sub.2).sub.3 --Si(OCH.sub.3).sub.3 ;C.sub.6 H.sub.5 --CH.sub.2 --NH--(CH.sub.2).sub.2 --CO--O--(CH.sub.2).sub.3 --Si(OCH.sub.3).sub.3 ;CH.sub.2 .dbd.CH--CH.sub.2 --NH--(CH.sub.2).sub.2 --CO--O--(CH.sub.2).sub.3 --Si(OCH.sub.3).sub.3 ;and(CH.sub.3 O).sub.3 Si--(CH.sub.2).sub.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: December 22, 1992
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hironao Fujiki, Toshiaki Takahashi
  • Patent number: 5162127
    Abstract: Foodstuffs subject to oxidative or enyzmatic discoloration particularly fruits, vegetables and cereal grains are treated with a combination of hydrolysis mixtures of aldonic acids and their lactones, particularly gluconic acid and its lactones together with very small quantities of a sulfiting agent in aqueous solutions to assist in maintaining fresh appearance and inhibiting discoloration without detracting from the flavor or leaving residues of sulfites in quantities of public health significance.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: November 10, 1992
    Assignee: American National Can Company
    Inventors: Carol Weiss, Richard J. Todd
  • Patent number: 5162313
    Abstract: The administration of tin protoporphyrin, tin mesoporphyrin or tin diiododeuteroporphyrin to mammals, notably humans, increases the rate at which heme is excreted by mammals, and is useful for treatment of body tissue injury associated with hemorrhage in the body.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: November 10, 1992
    Assignee: The Rockefeller University
    Inventors: Attallah Kappas, George S. Drummond
  • Patent number: 5162596
    Abstract: Disclosed is a novel ene-yne compound Z-12-heptadecen-1-yne expressed by the structural formula CH.sub.3 (CH.sub.2).sub.3 CH.sup.(Z) =CH(CH.sub.2).sub.9 C=CH, which is useful as an intermediate in the synthetic preparation of several diene compounds having activity as a sex pheromone of the insects belonging to the lepidopteran order, such as E,Z-2,13-octadecadienyl acetate and E,Z-2,13-octadecadienal, having two double bonds at the 2- and 13-positions. The inventive compound can be synthesized by the reaction of 1-bromo-Z-10-pentadecene with sodium acetylide dispersed in an organic solvent in the presence of liquid ammonia.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: November 10, 1992
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takehiko Fukumoto, Akira Yamamoto, Mitsuyoshi Oshima
  • Patent number: 5156726
    Abstract: The electrode of the invention suitable for use in an oxygen-generating electrolytic process with durability comprises (A) a substrate of, e.g., titanium metal; (B) an undercoating layer thereon which is formed of a mixture of an iridium oxide and tantalum oxide in a limited molar proportion and (C) an overcoating layer formed of an iridium oxide. The undercoating layer can be formed by coating the substrate surface with a solution containing an iridium compound and tantalum compound each having thermal decomposability and then subjecting the coated substrate body to a heat treatment in an oxidizing atmosphere. Similarly, the overcoating layer can be formed by coating with a solution containing a thermally decomposable iridium compound followed by an oxidative heat treatment in an oxidizing atmosphere.
    Type: Grant
    Filed: September 12, 1990
    Date of Patent: October 20, 1992
    Assignee: TDK Corporation
    Inventors: Hiroyuki Nakada, Yukio Kawashima, Kazuhide Ohe
  • Patent number: 5144006
    Abstract: Method for oxidative folding of peptide and protein substrates to form disulfide bonds using dimethyl sulfoxide and other equivalent sulfoxides as mild oxidizing agents.
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: September 1, 1992
    Assignee: The Rockefeller University
    Inventor: James P. Tam
  • Patent number: 5131513
    Abstract: There is provided a carrier, primarily for use with oversize documents. The carrier is of flexible construction, made of a flexible waterproof material such as canvas, nylon or the like, so that the carrier and its contents can be rolled as a unit, and held in rolled position by a fastener such as a pair of string ties, for ease of handling and transportation. When empty, the case can be folded into an integral pocket, to provide a small bulk for ease of storage.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: July 21, 1992
    Inventor: Carolyn M. Gossage
  • Patent number: 5115632
    Abstract: A method is described of operating a ring spinning machine in which the traversing motion of the ring rail is generated by means of a heart-shaped disc. For the execution of specific functions which depend on the angular position of the heart-shaped disc, the period of rotation of the heart-shaped disc is first determined. Thereafter, a predetermined angular starting position of this heart-shaped disc is detected and, on the basis of the predetermined period of rotation, the time is then computed in each case from the occurrence of the angular starting position up to the occurrence of at least one further predetermined angular position which is associated with a respective function. On the expiration of the time associated with a respective angular position, the related function is executed.
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: May 26, 1992
    Assignee: Rieter Machine Works, Ltd.
    Inventor: Georg Ulmer
  • Patent number: 5104998
    Abstract: A novel organopolysiloxane compound, which has high surface activity to form an emulsion of the water-in-oil type of various hardly emulsifiable materials, is proposed. The organopolysiloxane compound is a dimethylpolysiloxane having two types of modifying groups including polyether or polyoxyalkylene groups on one hand and higher alkyl groups bonded to the silicon atoms through an ether linkage on the other hand bonded to the silicon atoms. Different from conventional dually modified dimethylpolysiloxanes as an emulsifying agent having modifying groups of polyether groups and higher alkyl groups directly bonded to the silicon atoms, the dually modified dimethylpolysiloxane of the invention can be synthesized easily in a one-step process of the reaction in addition to the advantage of excellent emulsifying activity for various kinds of hardly emulsifiable liquids as compared with conventional emulsifying agents.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: April 14, 1992
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventor: Shoji Ichinohe
  • Patent number: 5102957
    Abstract: A novel method is proposed for the preparation of a block copolymer of styrene and ethylene having a very narrow molecular weight distribution and controlled molar ratio of the styrene moiety to ethylene moiety in a high efficiency. The method comprises the steps of: (a) living-polymerizing styrene by using an organic lithium compound as a polymerization initiator; (b) admixing the polymerization mixture containing the living polymer of styrene with a tertiary diamine compound, such as N,N,N',N'-tetramethyl ethylene diamine; and (c) introducing ethylene monomer into the polymerization mixture to effect polymerization of ethylene on to the living polymer molecules of polystyrene.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: April 7, 1992
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Kiyoshi Endo, Takayuki Otsu
  • Patent number: 5102909
    Abstract: The compounds 2-(5-methylthiomethyl-2-furyl)-2-hydroxy-3-keto-4- dihydroxyethylbutyrolactone and 2-(5-methoxymethyl-2- furyl)-2-furyl(-2-hydroxy-3-keto-4-dihydroxyethylbutyrolactone and pharmaceutical compositions containing them are useful to regulate the immune response in mammals.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: April 7, 1992
    Assignee: Theracel Corporation
    Inventors: Robert W. Veltri, Gabor B. Fodor, Kawporn Sussangkarn
  • Patent number: 5100389
    Abstract: The ambulatory infusion pump is provided with a preloaded spring having a fixed spring constant. A tab is provided to release the preloaded spring to impose a biasing force on the piston of the pump. The piston slides within the housing against a substantially constant friction force when moving from the filled position toward the empty position. The biasing force of the spring and the stroke of the piston are coordinated so as to maintain a pressure on the fluid being dispensed from the pump housing which decreases at a slow rate and within a range of about 15% of the referenced pressure.
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: March 31, 1992
    Inventor: Vincent L. Vaillancourt
  • Patent number: 5100758
    Abstract: A proposal is made for the use of an alkyl pyruvate or a solvent mixture mainly composed thereof as a solvent in a positive-working photoresist composition comprising an alkali-soluble novolac resin as the film-forming ingredient and a quinone diazide group-containing compound as the photosensitive ingredient. By virtue of the use of the unique solvent, the photoresist composition is advantageous in the outstandingly high stability with little moisture absorption from ambience not to cause precipitation of solid matters in addition to the quite satisfactory properties in other respects as a photoresist composition.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: March 31, 1992
    Assignee: Tokyo Ohka Kobyo Co., Ltd.
    Inventors: Hatsuyuki Tanaka, Hidekatsu Kohara, Toshimasa Nakayama
  • Patent number: 5098546
    Abstract: Proposal is made for providing a high-performance electrode suitable for use in an oxygen-generating electrolytic process having an outstandingly low oxygen overvoltage and exhibiting high durability in a prolonged run of electrolysis. The electrode consists of an electroconductive substrate of a metal, e.g., titanium, and a multiple composite oxide coating layer thereon consisting of at least one layer of type A composed of iridium oxide and tantalum oxide in an Ir:Ta molar ratio of 40:60 to 79.9:20.1 and at least one layer of type B formed on the type A layer composed of iridium oxide and tantalum oxide in an Ir:Ta molar ratio of 80:20 to 99.9:0.1. A plural number of type A layers and a plural number of type B layers can be alternately laid one on the other so as to improve the mechanical stability of the coating layer on the substrate surface.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: March 24, 1992
    Assignee: TDK Corporation
    Inventors: Yukio Kawashima, Kazuhide Ohe, Hiroyuki Nakada
  • Patent number: 5098933
    Abstract: Michael addition products of ascorbic acid and selected unsaturated aldehydes and ketones are useful as immunomodulators in mammals.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: March 24, 1992
    Assignee: Theracel Corporation
    Inventors: Robert Veltri, Gabor B. Fodor
  • Patent number: 5091224
    Abstract: A metal-made ornamental article, such as watch cases and the like, is provided with a bilayered coating layer composed of an undercoating layer of a specified thickness formed from an aqueous colloidal solution of sodium silicate and silica sol in a specified proportion and a top-coating layer of a specified thickness formed by coating with a solution of a partial hydrolysis-condensation product of an organic silicate ester compound, such as ethyl silicate, followed by baking to effect curing of the coating layer.
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: February 25, 1992
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Hachiro Kushida, Kazumi Hamano, Yoshitsugu Imazawa, Kenji Irie
  • Patent number: 5088433
    Abstract: The wave making resistance on a proceeding ship can be greatly decreased by providing the ship hull with at least one pair of fins mounted on the hull extending above and below the draft line, each fin being fixed at the front end line and the rear end of the fin outwardly extending making a certain fin-mounting angle of 2 to 25.degree. with the hull surface.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: February 18, 1992
    Inventors: Masakazu Osawa, Hidemori Osawa