Patents by Inventor Govindarajalu Jeyaraman

Govindarajalu Jeyaraman 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).

  • Processes for making magnolol analogs
    Patent number: 9045397
    Abstract: Described herein are high yield methods for making magnolol analogs which are 5,5?-dialkyl-bi-phenyl-2,2?-diols.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: June 2, 2015
    Assignee: Colgate-Palmolive Company
    Inventors: Ramesh Naik, Sanju Walikar, Govindarajalu Jeyaraman, Koottungalmadhom Ramaswamy Ranganathan
  • Processes for making magnolol and derivatives thereof
    Patent number: 9000231
    Abstract: Described herein are high yield methods for making magnolol (5,5?-diallyl-biphenyl-2,2?-diol) and tetrahydro-magnolol (5,5?-dipropyl-biphenyl-2,2?-diol).
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: April 7, 2015
    Assignee: Colgate-Palmolive Company
    Inventors: Ramesh Naik, Sanju Walikar, Ramesh Jayaramaiah, Vangumalla Devaki Devi, Govindarajalu Jeyaraman, Koottungalmadhom Ramaswamy Ranganathan
  • PROCESSES FOR MAKING MAGNOLOL AND DERIVATIVES THEREOF
    Publication number: 20140357902
    Abstract: Described herein are high yield methods for making magnolol (5,5?-diallyl-biphenyl-2,2?-diol) and tetrahydro-magnolol (5,5?-dipropyl-biphenyl-2,2?-diol).
    Type: Application
    Filed: June 20, 2011
    Publication date: December 4, 2014
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Ramesh Naik, Sanju Walikar, Ramesh Jayaramaiah, Vangumalla Devaki Devi, Govindarajalu Jeyaraman, Koottungalmadhom Ramaswamy Ranganathan
  • PROCESSES FOR MAKING MAGNOLOL ANALOGS
    Publication number: 20140343328
    Abstract: Described herein are high yield methods for making magnolol analogs which are 5,5?-dialkyl-bi-phenyl-2,2?-diols.
    Type: Application
    Filed: December 20, 2011
    Publication date: November 20, 2014
    Applicant: Colgate-Palmolive Company
    Inventors: Ramesh Naik, Sanju Walikar, Govindarajalu Jeyaraman, Koottungalmadhom Ramaswamy Ranganathan
  • Preparation of naphthoquinone compounds using 2,3-dihalonaphthoquinone
    Patent number: 8283499
    Abstract: The present invention relates the use of 2,3-dihalonaphthoquinone compounds of Formula I wherein R1 and R2 are leaving groups like halogens selected from the group comprising Cl, Br, I and F and the R1 and R2 may be the same halogen or may contain different halogen groups, or sulphonyl groups, for making napthoquinone compounds of Formula IA wherein X is any aryl, heteroaryl, alkyl, cyclohexyl, substituted cylohexyl groups and the like.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: October 9, 2012
    Assignee: Alkem Laboratories Limited
    Inventors: Sanjay Sukumar Saralya, Shashikumar Hiriyalu Somashekar, Shashiprabha, Shridhara Kanakamajalu, Koottungalmadhom Ramaswamy Ranganathan, Veerasamy Ananthalakshmi, Govindarajalu Jeyaraman, Kothapalli Sundarraja Rao, Kuppuswamy Nagarajan
  • PREPARATION OF NAPHTHOQUINONE COMPOUNDS USING 2,3-DIHALONAPHTHOQUINONE
    Publication number: 20110004024
    Abstract: The present invention relates the use of 2,3-dihalonaphthoquinone compounds of Formula I wherein R1 and R2 are leaving groups like halogens selected from the group comprising Cl, Br, I and F and the R1 and R2 may be the same halogen or may contain different halogen groups, or sulphonyl groups, for making napthoquinone compounds of Formula IA wherein X is any aryl, heteroaryl, alkyl, cyclohexyl, substituted cylohexyl groups and the like.
    Type: Application
    Filed: March 6, 2009
    Publication date: January 6, 2011
    Applicant: ALKEM LABORATORIES LIMITED
    Inventors: Sanjay Sukumar Saralya, Shashikumar Hiriyalu Somashekar, Shashiprabha, Shridhara Kanakamajalu, Koottungalmadhom Ramaswamy Ranganathan, Veerasamy Ananthalakshmi, Govindarajalu Jeyaraman, Kothapalli Sundarraja Rao, Kuppuswamy Nagarajan