Patents by Inventor Adolf D'Sa

Adolf D'Sa 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).

  • Process for the preparation of 6-(substitutedaminopropionyl)-derivatives of forskolin
    Patent number: 5869523
    Abstract: Process for the preparation of 6-(substitutedaminopropionyl)-derivatives of forskolinProcess for the manufacture of 6.beta.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: February 9, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Noel John de Souza, Adolf D'Sa, Samba Laxminarayan Kattige, Gulab Bajirao Padwal, Jurgen Blumbach
  • Triazino(2,1-a)isoquinoline derivatives, compositions and their use as medicaments
    Patent number: 4479948
    Abstract: Hypotensively active triazino-(2,1-a)isoquinoline compounds having the ring system ##STR1## and methods of making and using such compounds.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: October 30, 1984
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Adolf D'Sa, Alihussein N. Dohadwalla, Noel J. de Souza, Horst Dornauer
  • Processes for the manufacture of pyrimido[6,1-a]isoquinolinones
    Patent number: 4400506
    Abstract: What are disclosed are compounds of the formula ##STR1## wherein, X is oxygen, sulfur, or halogen, useful as intermediates in the preparation of certain pyrimido(6,1-a)isoquinolin-4-ones having pharmaceutical utilities, and methods for making said intermediates.
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: August 23, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bansi Lal, Adolf D'Sa, Horst Dornauer, Noel J. de Souza