Patents by Inventor Yatendra Khandelwal

Yatendra Khandelwal 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: 5252598
    Abstract: The present invention relates to labdane-derivatives of the formula ##STR1## a process for their preparation and the use of these substances as medicaments, preferably as medicaments having a positive ionotropic effect, an effect of lowering intraocular pressure and lowing blood pressure.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: October 12, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yatendra Khandelwal, Greta Moraes, Bansi Lal, Vijay A. Aroskar, Alihussein N. Dohadwalla, Richard H. Rupp
  • Patent number: 5250682
    Abstract: Process for the manufacture of 6.beta.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: October 5, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yatendra Khandelwal, Bansi Lal, Jurgen Blumbach
  • Patent number: 5206241
    Abstract: Labdanes of the formula ##STR1## a process for their manufacture, pharmaceutical preparations containing an effective amount of these compounds and their use for the manufacture of a pharmaceutical preparation for treatment of cardiovascular diseases and high intraocular pressure.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: April 27, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Yatendra Khandelwal, Rajeshwari Kannan, Bansi Lal, Ramanujam Rajagopalan, Vijay A. Aroskar, deceased AliHussein N. Dohadwalla, Rashida A. Dohadwalla, Anis S. Dohadwalla, Samina A. Dohadwalla, Richard H. Rupp
  • Patent number: 4724238
    Abstract: The present invention relates to a process for the isolation of labdan derivatives from the plant Coleus forskohlii, and their use as medicaments having anti-inflammatory and analgesic activity.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: February 9, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Alihussein N. Dohadwalla, Sadashiv S. Mandrekar, Nandkumar K. Dadkar, Yatendra Khandelwal, Richard H. Rupp, Noel J. de Souza