Patents by Inventor Vithal Jagannath Rajadhyaksha

Vithal Jagannath Rajadhyaksha 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).

  • Physiological vehicle compositions containing higher alkyl substituted azacyclopentan-2-ones
    Patent number: 4122170
    Abstract: There is disclosed an improved method for topically administering a physiologically active agent to a human or animal by dissolving an effective amount of the agent in a carrier containing suitable amounts of 1-alkyl substituted-azacyclopentan-2-one, as defined herein, and contacting the skin or other membranes of the human or animal with the resulting composition, whereby penetration of the skin or membranes is enhanced.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: October 24, 1978
    Assignee: Nelson Research & Development Company
    Inventor: Vithal Jagannath Rajadhyaksha
  • Method of synthesis of trans-2-phenylcyclopropylamine
    Patent number: 4016204
    Abstract: An improved method of synthesis of trans-2-phenylcyclopropylamine wherein the improvement comprises isomerizing an intermediate ester, namely, cis,trans-ethyl-2-phenylcyclopropanecarboxylate, by reacting said ester with anhydrous sodium ethoxide, to form a reaction product containing not more than about 5 percent cis ester and further reacting said resultant product to form trans-2-phenylcyclopropylamine.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: April 5, 1977
    Assignee: Nelson Research & Development Company
    Inventor: Vithal Jagannath Rajadhyaksha
  • Vehicle composition containing 1-substituted azacyclopentan-2-ones
    Patent number: 3991203
    Abstract: There is disclosed an improved method for topically administering a physiologically active agent to a human or animal by dissolving an effective amount of the agent in a carrier containing suitable amounts of 1-substituted azacyclopentan-2-one, as defined herein, and contacting the skin or other membranes of the human or animal with the resulting composition, whereby penetration of the skin or membranes is enhanced.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: November 9, 1976
    Assignee: Nelson Research & Development Company
    Inventor: Vithal Jagannath Rajadhyaksha
  • Novel N-bis-azacyclopentan-2-onyl alkanes
    Patent number: 3989815
    Abstract: There is disclosed an improved method for topically administering a physiologically active agent to a human or animal by dissolving an effective amount of the agent in a carrier containing suitable amounts of N-bis-azacyclopentan-2-onyl alkanes, as defined herein, and contacting the skin or other membranes of the human or animal with the resulting composition, whereby penetration of the skin or membranes is enhanced.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: November 2, 1976
    Assignee: Nelson Research & Development Company
    Inventor: Vithal Jagannath Rajadhyaksha
  • Vehicle composition containing 1-substituted azacycloheptan-2-ones
    Patent number: 3989816
    Abstract: There is disclosed an improved method for topically administering a physiologically active agent to a human or animal by dissolving an effective amount of the agent in a carrier containing suitable amounts of 1-substituted-azacycloheptan-2-one, as defined herein, and contacting the skin or other membranes of the human or animal with the resulting composition, whereby penetration of the skin or membranes is enhanced.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: November 2, 1976
    Assignee: Nelson Research & Development Company
    Inventor: Vithal Jagannath Rajadhyaksha