Patents by Inventor Venkatachala Lakshmi Narayanan

Venkatachala Lakshmi 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).

  • 1,3,Thiazolinyl and 1,3 thiazinyl substituted indolinones
    Patent number: 4053613
    Abstract: Indolinone compounds which exhibit anti-inflammatory activity have the following formula ##STR1## wherein R.sup.1, R.sup.3, R.sup.4, R.sup.5, and n are as defined herein.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: October 11, 1977
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: George C. Rovnyak, Venkatachala Lakshmi Narayanan, Rudiger D. Haugwitz
  • Isothiocyanobenzothiazoles
    Patent number: 3985885
    Abstract: Isothiocyanobenzothiazoles are provided having the structure ##SPC1##Wherein R and R.sup.1 are as indicated below, and which are useful as anthelmintic agents.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: October 12, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Venkatachala Lakshmi Narayanan, Richard G. Angel
  • Anthelmintic isothiocyanobenzoxazoles
    Patent number: 3983130
    Abstract: Isothiocyanobenzoxazoles are provided having the structure ##SPC1##Wherein R.sup.1 and R.sup.2 are as defined hereinafter and which are useful as anthelmintic agents and disinfectants.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: September 28, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Venkatachala Lakshmi Narayanan, Rudiger D. Haugwitz
  • 3-Hetero-5-substituted aminophenyloxadiazoles
    Patent number: 3976657
    Abstract: Compounds having the structure ##SPC1##Wherein R.sup.1 is hydrogen, alkyl, aryl, halo, alkoxy or aryloxy; R.sup.2 is hydrogen or methyl; R.sup.3 is alkyl, haloalkyl, cycloalkyl or aryl; X is oxygen or sulfur; and Y is oxygen, sulfur or =NH, have useful physiological activity.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: August 24, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Venkatachala Lakshmi Narayanan
  • Certain oxy-amino-alkoxy-5,8-dihydronaphthalenes
    Patent number: 3956285
    Abstract: This invention relates to new 5,8-dihydronaphthyloxy-amino propanols and related compounds of the formula ##EQU1## wherein the radical ##EQU2## represents pyrrolidino and other heterocyclics, and to salts of each compounds, products which are useful in coronary diseases, water softening and corrosion inhibition.
    Type: Grant
    Filed: March 6, 1972
    Date of Patent: May 11, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Venkatachala Lakshmi Narayanan, Linda Louise Setescak, Frank Lee Weisenborn
  • 4-Azatricyclo[4.3.1.1.sup.3,8 ]undecane and related compounds
    Patent number: 3951950
    Abstract: This invention relates to a novel series of compounds characterized particularly by the azatricyclo[4.3.1.1.sup.3,8 ]undecane ring. These include 4-azatricyclo[4.3.1.1.sup.3,8 ]undecan-5-one, 4-azatricyclo[4.3.1.1.sup.3,8 ]undecane and nitrogen substituted derivatives of each of these and their salts. The compounds are useful as antiviral, cardiovascular or antiinflammatory agents, or as intermediates for such substances.
    Type: Grant
    Filed: March 5, 1973
    Date of Patent: April 20, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Venkatachala Lakshmi Narayanan, Linda Louise Setescak
  • Tetrahydronaphthyloxy-aminopropanols and salts thereof
    Patent number: 3935267
    Abstract: This invention relates to new tetrahydronaphthyloxy-aminopropanols and related compounds of the formula ##SPC1##And to salts of such compounds, which are useful in coronary diseases.
    Type: Grant
    Filed: December 1, 1971
    Date of Patent: January 27, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Frederic Peter Hauck, Christopher M. Cimarusti, Venkatachala Lakshmi Narayanan