Patents Examined by Michl Paul R.
  • Patent number: 5319035
    Abstract: Rubber compositions are disclosed which are formulated to provide high modulus at 100% and strong adhesion to metal. Chlorinated polyethylene rubber and/or its derivative reformed with maleic anhydride is blended with specified amounts of a 2-mercaptobenzothiazole dicyclohexylamine salt, trithiocyanuric acid and sufur such that formulae (1) and (2) are met ##EQU1## where phr is defined as the amount in parts of the component per hundred parts of component (A) or component (B) or both.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: June 7, 1994
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Osamu Ozawa, Tetsu Kitami
  • Patent number: 5191010
    Abstract: An emulsion having a dye developing property, comprising aqueous polymer emulsion particles and contained therein, an organic dye developer.
    Type: Grant
    Filed: October 23, 1990
    Date of Patent: March 2, 1993
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Katsumi Inagaki, Kenzo Miyamoto, Masayoshi Sekiya
  • Patent number: 4898806
    Abstract: A coated photosensitive material on a support comprising a layer of polyamic acids and polyamic acid aryl esters derived from tetracarboxylic acids or aminodicarboxylic acids containing a benzophenone structural unit and aromatic diamines which are substituted in both ortho-positions by at least one amino group. The material is autophotocrosslinkable and is suitable for producing protective coatings and photographic images, with corresponding polyimides being formed after irradiation by a thermal aftertreatment.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: February 6, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Josef Pfeifer
  • Patent number: 4476271
    Abstract: Disclosed in an aqueous dispersion type thermosetting coating composition which comprises (i) fine thermosetting powdery resin particles having an average particle size of 5 to and a softening point of to C., (ii) polyethylene glycol having an average molecular weight of 200-10,000 and (iii) a necessary amount of water.
    Type: Grant
    Filed: November 23, 1982
    Date of Patent: October 9, 1984
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Masafumi Kano, Teruyuki Takahashi, Hiroshi Igarashi