Patents by Inventor Kirity Roy

Kirity Roy 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).

  • Patent number: 5387670
    Abstract: Deoxymulundocandin, a compound of the formula I (SEQ. ID NO: 1) ##STR1## has an antiyeast, an antifungal and an immunomodulatory action.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: February 7, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Kirity Roy, Triptikumar Mukhopadhyay, Hans-Wolfram Fehlhaber, Herbert Kogler, Bimal N. Ganguli
  • Patent number: 5240959
    Abstract: Aranorosinol-A and Aranorosinol-B are compounds of the formula ##STR1## in which R is H (Aranorosinol-A) or CH.sub.2 COCH.sub.3 (Aranorosinol-B); said compounds have antibacterial and antifungal activity.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: August 31, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Kirity Roy, Erra K. S. Vijayakumar, Ravi G. Bhat, Triptikumar Mukhopadhyay, Bimal N. Ganguli
  • Patent number: 5112858
    Abstract: A new antibiotic, aranorosin, a microbiological process for the preparation thereof, and the use thereof as a pharmaceutical.Aranorosin, a compound of the formula ##STR1## can be prepared with the aid of the fungus culture Y-30499 (DSM 4151). Aranorosin has an antibiotic action as well as an action against malignant tumors.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: May 12, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Kirity Roy, Triptikumar Mukhopadhyay, Goukanapalli C. S. Reddy, Erra K. S. Vijayakumar, Bimal N. Ganguli, Richard H. Rupp, Hans-Wolfram Fehlhaber, Herbert Kogler
  • Patent number: 5001258
    Abstract: Fumifungin, a compound of the formula ##STR1## can be isolated from the culture broth of fungus culture No. Y-83,0405 (DSM 4152), and has bactericidal and fungicidal properties.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: March 19, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Triptikumar Mukhopadhyay, Kirity Roy, Hans-Wolfram Fehlhaber, Richard H. Rupp, Bimal N. Ganguli