Patents Examined by Joseph L. Schofar
  • Polyester
    Patent number: 4681975
    Abstract: A polyester being liquid at 25.degree. C. comprises a polybasic acid and a polyhydric alcohol as its monomer constituents, wherein the polyhydric alcohol is composed at least partially of 1,2-butanediol.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: July 21, 1987
    Assignee: Mitsubishi Monsanto Chemical Company
    Inventors: Ryuichi Hasegawa, Kohji Hayashi