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:
Jun. 04, 2013
Filed:
May. 06, 2011
Applicants:
Ravindranath Vishnu Newadkar, Mahape, IN;
Anil Purushottam Joshi, Mahape, IN;
Santosh Kumar Singh, Navi Mumbai, IN;
Inventors:
Ravindranath Vishnu Newadkar, Mahape, IN;
Anil Purushottam Joshi, Mahape, IN;
Santosh Kumar Singh, Navi Mumbai, IN;
Assignee:
Laboratorios Lesvi, S.L., Barcelona, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/803 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method and compounds for the preparation of clevidipine butyrate, a very short acting hypertensive calcium antagonist, as well as the synthesis of these compounds useful for the preparation of clevidipine (also known as clevidipine butyrate). Moreover the invention also discloses polymorphic forms of clevidipine butyrate, useful for the preparation of pharmaceutical compositions, and processes to prepare them.