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:
Jan. 01, 2013
Filed:
Jun. 11, 2007
Seeta Ramanjaneyulu Gorantla, Hyerabad, IN;
Mohan Bandari, Hyerabad, IN;
Nageshwara Rao Karusala, Hyerabad, IN;
Sankara Sastry Tummalapalli Uma, Hyerabad, IN;
Seeta Ramanjaneyulu Gorantla, Hyerabad, IN;
Mohan Bandari, Hyerabad, IN;
Nageshwara Rao Karusala, Hyerabad, IN;
Sankara Sastry Tummalapalli Uma, Hyerabad, IN;
Mylan Laboratories Limited, Hyderabad, IN;
Abstract
The present invention relates a novel crystalline 1-(Carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol phosphate sesquihydrate (Carvedilol dihydrogenphosphate sesquihydrate), methods of preparing the sesquihydrate by adding phosphoric acid to a suspension of Carvedilol in water, water miscible solvents or a mixture of water and water miscible organic solvent followed by isolating the product directly or by adding solvent.