Patents by Inventor Ramesh Maganlal Kanojia

Ramesh Maganlal 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).

  • Purification of utero-evacuant extracts from plant substances
    Patent number: 4086358
    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: April 2, 1976
    Date of Patent: April 25, 1978
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Michael P. Wachter, Ramesh Maganlal Kanojia
  • Isolation of utero-evacuant substances from plant extracts
    Patent number: 4046882
    Abstract: A method of obtaining utero-evacuant substances from the zoapatle plant is described. The method involves acylation of semi-purified material obtained from a crude plant extract followed by physical separation of the biologically active materials.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: September 6, 1977
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ramesh Maganlal Kanojia
  • 17.beta.-Ethynyl-3,17.alpha.-estradiol and derivatives thereof
    Patent number: 4022892
    Abstract: 17.beta.-ethynyl-3,17.alpha.-estradiol and derivatives thereof are prepared by epimerization of 17-acyl esters of 17.alpha.-ethynyl-3,17.beta.-estradiol 3-ethers. 17.alpha.-ethynyl-3,17.alpha.-estradiol and its derivatives are active as post-coital antifertility agents and inhibit the growth of or reduce the size of the prostate gland and the seminal vesicle.
    Type: Grant
    Filed: July 2, 1975
    Date of Patent: May 10, 1977
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ramesh Maganlal Kanojia
  • Purification of utero-evacuant extracts from plant substances
    Patent number: 3996132
    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: July 18, 1974
    Date of Patent: December 7, 1976
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Jose Luis Mateos, Luis Noriega, Richard E. Huettemann, Ramesh Maganlal Kanojia
  • 17.beta.-Ethynyl-3,17.alpha.-estradiol and derivatives thereof
    Patent number: 3983112
    Abstract: 17.beta.-ethynyl-3,17.alpha.-estradiol and derivatives thereof are prepared by epimerization of 17-acyl esters of 17.alpha.-ethynyl-3,17.beta.-estradiol 3-ethers. 17.beta.-ethynyl-3,17.alpha.estradiol and its derivatives are active as post-coital antifertility agents and inhibit the growth of or reduce the size of the prostate gland and the seminal vesicle.
    Type: Grant
    Filed: September 4, 1973
    Date of Patent: September 28, 1976
    Assignee: Ortho Pharmaceutical Corporation
    Inventor: Ramesh Maganlal Kanojia