Patents by Inventor Ramesh M. Kanojia

Ramesh M. Kanojia 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 preparing 8-oxabicyclo[3.2.1]-octane-1-acetic acids
    Patent number: 4360467
    Abstract: The preparation of racemic 1R, 4R, 5R-5-(4', 8'-dimethyl-5'-hydroxy-7'-nonenyl)-5-methyl-8-oxabicyclo[3.2.1]-octane-1-a cetic acid is described. The cycloheptane compounds are active uteroevacuant agents.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: November 23, 1982
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ramesh M. Kanojia
  • Novel cycloheptanes
    Patent number: 4322357
    Abstract: The preparation of racemic 1R, 4R, 5R-5-(4', 8'-dimethyl-5'-hydroxy-7'-nonenyl)-5-methyl-8-oxabicyclo[3.2.1]-octane-1-a cetic acid is described. The cycloheptane compounds are active uteroevacuant agents.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: March 30, 1982
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ramesh M. Kanojia
  • Utero-evacuants
    Patent number: 4176188
    Abstract: Chemical compounds having a substituted oxepane ring and methods of preparing such compounds are described. The compounds are active as utero-evacuant agents.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: November 27, 1979
    Assignee: Ortho Pharmaceutical Corp.
    Inventors: Ramesh M. Kanojia, Michael P. Wachter, Robert H. K. Chen
  • Chemical products and methods
    Patent number: 4130556
    Abstract: Novel compounds obtained from the zoapatle plant and methods of obtaining these compounds from the plant material are described. The novel compounds possess useful activity as central nervous system depressants as well as utero-evacuants.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: December 19, 1978
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Michael P. Wachter, Ramesh M. Kanojia
  • Isolation of uteroevacuant substances from plant extracts
    Patent number: 4127651
    Abstract: A method of obtaining uteroevacuant substances from the zoapatle plant is described. The isolation and purification of biologically-active compounds from the zoapatle plant is accomplished by chemical means.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: November 28, 1978
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Robert H. K. Chen, Ramesh M. Kanojia
  • Oxepanes
    Patent number: 4102895
    Abstract: Chemical compounds having a substituted oxepane ring and methods of preparing such compounds are described. The compounds are active as utero-evacuant agents.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: July 25, 1978
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Ramesh M. Kanojia, Michael P. Wachter, Robert H. K. Chen
  • Utero-evacuant extracts from plant substances
    Patent number: 4076805
    Abstract: A method of purifying utero-evacuant extracts from the zoapatle plant is described. The method involves the purification of extracts from the zoapatle plant which contain an active principle utilizing chromatographic techniques.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: February 28, 1978
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Jose Luis Mateos, Luis Noriega, Richard E. Huettemann, Ramesh M. Kanojia
  • Isolation of utero-evacuant substances from plant extracts
    Patent number: 4061739
    Abstract: A method of obtaining utero-evacuant substances from the zoapatle plant is described. The method involves the isolation and purification of biologically active compounds from the zoapatle plant by chromatography over alumina.
    Type: Grant
    Filed: July 7, 1976
    Date of Patent: December 6, 1977
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Ramesh M. Kanojia, Seymour D. Levine
  • Isolation of utero-evacuant substances from plant extracts
    Patent number: 4060604
    Abstract: A method of obtaining utero-evacuant substances from the zoapatle plant is described. The method involves the isolation and purification of biologically active compounds from the zoapatle plant by selective derivatization of purified material obtained from the plant.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: November 29, 1977
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ramesh M. Kanojia
  • Isolation of utero-evacuant substances from plant extracts
    Patent number: 3986952
    Abstract: A method of obtaining utero-evacuant substances from the zoapatle plant is described. The method involves the isolation and purification of biologically active compounds from the zoapatle plant by chromatography over silicic acid impregnated with silver nitrate.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: October 19, 1976
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Ramesh M. Kanojia, Richard E. Huettemann