Patents by Inventor Venkatachala L. Narayanan

Venkatachala L. Narayanan 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).

  • Compositions for the treatment of coronary diseases containing tetrahydronaphthyloxy-aminopropanols
    Patent number: 3982021
    Abstract: This invention relates to pharmaceutical compositions for the treatment of coronary diseases comprising a compound having the formula ##SPC1##Wherein R.sup.1 is lower alkyl, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are the same or different and are hydrogen or lower alkyl, and R.sup.8, R.sup.9 and R.sup.10 are the same or different and are hydrogen, lower alkyl, lower alkoxy or cycloalkyl; and a pharmaceutically acceptable carrier therefor.
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: September 21, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Frederic P. Hauck, Christopher M. Cimarusti, Venkatachala L. Narayanan
  • Tetrahydro-cyclopropa[B]naphthalenes
    Patent number: 3969392
    Abstract: Compounds are provided having the structure ##SPC1##These compounds are useful as antiparasitic agents, antibacterial agents, and anti-inflammatory agents as well as surfact active agents.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: July 13, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Venkatachala L. Narayanan
  • Morpholine containing isothiocyanobenzoxazoles
    Patent number: 3969351
    Abstract: Isothiocyanobenzoxazoles having the structure ##SPC1##Wherein R.sub.1 is hydrogen, alkyl, alkoxy, or halogen; X is O or S; R.sub.2 is 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, 4-thiamorpholinyl, 4-alkyl-1-piperazinyl, 4-akyl-1-piperidinyl or 3-alkyl-1-pyrrolidinyl, are useful anthelmintic agents.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: July 13, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Venkatachala L. Narayanan, Glenn Anthony Jacobs, Rudiger D. Haugwitz