Cyclopentanohydrophenanthrene Ring System Patents (Class 536/5)
  • Patent number: 4031212
    Abstract: The compound of the formula ##STR1## which is useful as a cardiotonic.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: June 21, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Walter Losel, Werner Traunecker, Wolfgang Hoefke
  • Patent number: 3992315
    Abstract: A process for concentrating and recovering water soluble glycosides from aqueous solution by foaming the solution, collecting the foam as a concentrated-in-glycoside product.
    Type: Grant
    Filed: August 20, 1974
    Date of Patent: November 16, 1976
    Assignee: Omni Research Incorporated
    Inventors: Douglas N. Dibb, John B. Barbour
  • Patent number: 3991186
    Abstract: Steryl-6-O-palnitoyl and -2,3,4,6-O-tetrapalmitoyl-.beta.-D-glucosides are anti-inflammatory agents. The compounds, of which .beta.-sitosteryl-2,3,4,6-O-tetrapalmitoyl-.beta.-D-glucoside is a representative embodiment, are prepared through the reaction of a steryl-.beta.-D-glucoside with a lower alkyl ester of palmitic acid in the presence of a basic catalyst.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: November 9, 1976
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiromu Murai, Koji Kitaguchi, Tatsuo Suminokura, Akira Sano, Massahiro Kise, Masahiko Kitano, Toshio Tomita