The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Sep. 01, 2017
Applicant:
Biophore India Pharmaceuticals Pvt. Ltd., Hyderabad, IN;
Inventors:
Manik Reddy Pullagurla, Hyderabad, IN;
Mecheril Valsan Nanda Kumar, Hyderabad, IN;
Madhusudhana Rao Veligetla, Hyderabad, IN;
Jagadeesh Babu Rangisetty, Hyderabad, IN;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/14 (2006.01); C07C 67/52 (2006.01); A01N 53/00 (2006.01);
U.S. Cl.
CPC ...
C07C 67/14 (2013.01); A01N 53/00 (2013.01); C07C 67/52 (2013.01); C07B 2200/09 (2013.01); C07C 2601/02 (2017.05);
Abstract
An improved method for the synthesis of substantially pure Permethrin having purity greater than 99.5% by Gas Chromatography provided. The embodiments also relates to a purification process of Permethrin by recrystallization from methanol-water mixture.