Patents by Inventor Tirthankar Ghosh

Tirthankar Ghosh 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).

  • Disulfide stabilizers for 3-isothiazolones
    Patent number: 5725806
    Abstract: A method of stabilizing non-halogen containing 3-isothiazolone microbicides against chemical degradation by the introduction of aromatic disulfide compounds (except 2,2'-dithiobisbenzoic acid) is disclosed.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: March 10, 1998
    Assignee: Rohm and Haas Company
    Inventor: Tirthankar Ghosh
  • Alkene stabilizers for 3-isothiazolone compounds
    Patent number: 5160526
    Abstract: A method of stabilizing a 3-isothiazolone compound against chemical decomposition comprising introducing a sufficient amount of an alkene to stabilize said 3-isothiazolone compound and a composition comprising 3-isothiazolone and an amount of an alkene sufficient to stabilize said isothiazolone.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: November 3, 1992
    Assignee: Rohm and Haas Company
    Inventors: Tirthankar Ghosh, John R. Mattox