Patents by Inventor Rohit Desai

Rohit Desai 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: 4874769
    Abstract: This invention relates to certain quinolyl ether and thioether tetrazoles and their use as valuable pharmaceutical agents for the treatment of hypersensitive ailments, particularly as lipoxygenase inhibitors and/or leukotriene antagonists possessing anti-inflammatory and antiallergic properties.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: October 17, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Raymond Youssefyeh, Utpal Chakraborty, Ernest Magnien, Rohit Desai, Thomas D-Y Lee
  • Patent number: 4839369
    Abstract: Aryl and Heteroaryl Ethers are used for their anti-inflammatory and anti-allergic properties.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: June 13, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Raymond Youssefyeh, Utpal Chakraborty, Ernest Magnien, Rohit Desai
  • Patent number: 4500527
    Abstract: Unsaturated heterocyclic dihydropyridines of the formula: ##STR1## wherein the substituents defined herein have been found to have useful antihypertensive activity.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: February 19, 1985
    Assignee: USV Pharmaceutical Corporation
    Inventors: Bernard Loev, James R. Shroff, Rohit Desai
  • Patent number: 4329345
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen, alkyl, alkoxy, halo, amino, alkylamino, dialkylamino, hydroxy, nitro, trifluoromethyl, mercapto, or alkylmercapto, and may be the same or different,n is an integer from 2 to 4, andR.sub.1 and R.sub.2 are hydrogen or alkyl and may be the same or different, or R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached may be pyrrolidino, piperidino or morpholinoand their pharmaceutically acceptable, non-toxic acid addition salts have anti-arrhythmic activity.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: May 11, 1982
    Assignee: USV Pharmaceutical Corporation
    Inventors: James R. Shroff, Rohit Desai
  • Patent number: 4283541
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, lower alkyl, phenyl or phenyl-lower alkyl,n is an integer from 1 to 5, andm is an integer from 2 to 5 have antiarrhythmic activity.
    Type: Grant
    Filed: May 27, 1980
    Date of Patent: August 11, 1981
    Assignee: USV Pharmaceutical Corporation
    Inventors: James R. Shroff, Rohit Desai
  • Patent number: 4264505
    Abstract: Compounds of the formula ##STR1## wherein R is lower alkyl, phenyl, lower alkenyl, cycloalkyl and substituted phenyl;R.sub.1 is hydrogen, lower alkyl, lower alkenyl, lower alkoxy, amino, lower alkylamino, hydroxy, halo, nitro, mercapto, trifluoromethyl, lower alkylmercapto, and trifluoromethylmercapto;R.sub.2, R.sub.3 are lower alkyl or taken together with N form a cyclic amine;X is O or S, andn is an integer from 2 to 4are useful in treatment of arrhythmia.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: April 28, 1981
    Assignee: USV Pharmaceutical Corporation
    Inventors: James R. Shroff, Rohit Desai