Patents by Inventor Singaravel Mohan

Singaravel Mohan 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).

  • Crystalline sodium salt of cephalosporin antibiotic
    Patent number: 8212024
    Abstract: The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of crystalline Ceftiofur sodium of formula (I).
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: July 3, 2012
    Assignee: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam Palanisamy Senthilkumar, Kanagaraj Suresh Kumar, Singaravel Mohan, Lakshminarayanan Arunkumar, Bakthavachalam Ananthan
  • Improved Process For the Preparation of Cephalosporin Antibiotic Intermediate
    Publication number: 20100261897
    Abstract: The present invention relates to a process for the production of cephalosporin antibiotic intermediate of formula (I). More particularly relates to the preparation of the compound of formula (I) using a solvent medium selected from the group consisting of decalin (decahydronapthalene), hexane, cyclohexene, tetralin, petroleum ether, wherein X represents HI, HCI, H2SO4 and the like. The compound of formula (I) is an important intermediate in the preparation of Cefepime.
    Type: Application
    Filed: January 16, 2006
    Publication date: October 14, 2010
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LTD,
    Inventors: Udayampalayam Palanisamy Senthilkumar, Kanagaraj Suresh Kumar, Singaravel Mohan
  • Chemical synthesis of with enrichment of ()-
    Patent number: 7667034
    Abstract: This invention relates to an improved process for the industrial manufacture of S-adenosyl-L-methionine (SAMe) of formula (I), which consists of stereo-selective methylation of S-adenosyl-L-homocysteine (SAH) with the enrichment of active (S,S)-isomer.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: February 23, 2010
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Udayampalayam Palanisamy Senthilkumar, Ramar Padmanabhan, Venugopal Sivasankaran, Singaravel Mohan
  • Crystalline Sodium Salt of Cephalosporin Antibiotic
    Publication number: 20080221076
    Abstract: The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of crystalline Ceftiofur sodium of formula (I).
    Type: Application
    Filed: October 12, 2006
    Publication date: September 11, 2008
    Applicant: ORCHID CHEMICALS AND PHARMACEUTICALS LIMITED
    Inventors: Udayampalayam Palanisamy Senthilkumar, Kanagaraj Suresh Kumar, Singaravel Mohan, Lakshminarayanan Arunkumar, Bakthavachalam Ananthan
  • Chemical Synthesis Of S-Adenosyl-L-Methionine With Enrichment Of (S,S)-Isomer
    Publication number: 20080103303
    Abstract: This invention relates to an improved process for the industrial manufacture of S-adenosyl-L-methionine (SAMe) of formula (I), which consists of stereo-selective methylation of S-adenosyl-L-homocysteine (SAH) with the enrichment of active (S,S)-isomer.
    Type: Application
    Filed: June 22, 2005
    Publication date: May 1, 2008
    Applicant: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Udayampalayam Palanisamy Senthilkumar, Ramar Padmanabhan, Venugopal Sivasankaran, Singaravel Mohan
  • Process for the preparation of cephalosporin antibiotic
    Patent number: 7345169
    Abstract: An improved one-pot process for the preparation of Ceftiofur of the formula (I) or its salt, without isolating intermediate compound
    Type: Grant
    Filed: October 3, 2005
    Date of Patent: March 18, 2008
    Assignee: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam P. Senthilkumar, Kanagaraj Sureshkumar, Singaravel Mohan, Lakshminarayanan Arunkumar
  • Process for the preparation of cephalosporin antibiotic
    Publication number: 20060094872
    Abstract: An improved process for the preparation of Ceftiofar sodium of formula (I) without isolating intermediate compound of formula (IV)
    Type: Application
    Filed: December 6, 2005
    Publication date: May 4, 2006
    Applicant: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam Senthilkumar, Kanagaraj Sureshkumar, Singaravel Mohan, Lakshminarayanan Arunkumar, Bakthavachalam Ananthan
  • Process for the preparation of cephalosporin antibiotic
    Publication number: 20060058281
    Abstract: An improved one-pot process for the preparation of Ceftiofur of the formula (I) or its salt, without isolating intermediate compound.
    Type: Application
    Filed: October 3, 2005
    Publication date: March 16, 2006
    Applicant: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam Senthilkumar, Kanagaraj Sureshkumar, Singaravel Mohan, Lakshminarayanan Arunkumar