Patents by Inventor Benjamin O. Isaac

Benjamin O. Isaac has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cyclopent-1-en-3,5-dione compounds and compositions
    Patent number: 5407910
    Abstract: The present invention provides novel compounds such as 1,2-dimethyl-4-butyl-cyclopent-1-en-3,5-dione and 1,2-dimethyl-4,4-dibutyl-cyclopent-1-en-3,5-dione, having active floral-type aroma and methods for preparing same.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: April 18, 1995
    Assignee: Union Camp Corporation
    Inventors: Benjamin O. Isaac, Chat O. Chan, Ian M. Marr
  • Perfumery compositions
    Patent number: 4311617
    Abstract: Compounds having the general formula ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms and Z represents a formyl group --CHO or a hydroxyl group or a group OR.sub.1 wherein R.sub.2 represents an acyl group having from 1 to 6 carbon atoms, have been discovered to possess attractive fruity-floral odors. They are useful as ingredients of compounded perfumery compositions.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: January 19, 1982
    Assignee: Bush Boake Allen Limited
    Inventors: Hifzur R. Ansari, Benjamin O. Isaac, Horst R. Wagner