Patents by Inventor Pramil Mathur

Pramil Mathur 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).

  • Method for manufacture of compounds related to the class of substituted sulfonyl urea anti-diabetics
    Publication number: 20070255056
    Abstract: The present invention relates to a process for preparation of sulfonyl urea compounds in high conversion rates and purity. More specifically, this invention relates to a process for manufacture of sulfonyl urea class of anti-diabetic pharmaceutical drugs in higher purity and yield. The process may effectively and economically be used to produce anti-diabetic drugs, such as glimepiride, glipizide, gliclazide, glibenclamide, glibornuride, and glisoxepide.
    Type: Application
    Filed: March 10, 2006
    Publication date: November 1, 2007
    Inventors: Ashok Kumar, Satish Soudagar, Pramil Mathur, Arpana Mathur, Dadaso Dalavi, Sanjay Gunjal, Uttamrao Sawant, Ashvini Saxena, Bimal Srivastava, Praveen Singh, Jagdish Sankla, Vijay Dhurandhare
  • Process for the preparation of carvedilol and its salts
    Publication number: 20070027202
    Abstract: Disclosed herein is a process for preparation of carvedilol substantially free from its bis-impurity comprises the reaction of 4-(2,3-epoxypropoxy)carbazole and 2-(2-methoxyphenoxy)ethylamine in a polar aprotic solvent media; followed by isolation of carvediol from the reaction mass as an acid addition salt and subsequent conversion into pure carvedilol.
    Type: Application
    Filed: July 5, 2006
    Publication date: February 1, 2007
    Inventors: Ashok Kumar, Ashvini Saxena, Anindya Battacharyya, Amit Sengar, Gunjan Pathak, Satish Soudagar, Pramil Mathur, Avinash Nijasure, Sanjukumar Salunke, Prashant Gautam, Thakur Ramsingh, Dilip Jadhav