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. 27, 2015
Filed:
May. 30, 2012
Ramamohan Rao Davuluri, San Clemente, CA (US);
Ravi Ponnaiah, Hyderabad, IN;
Praveen Kumar Neela, Hyderabad, IN;
Guruswamy Batthini, Hyderabad, IN;
Telagareddy Venkata Narasimharao, Hyderabad, IN;
Kosireddy Ravanababu, Hyderabad, IN;
Kallepally Sudheer, Nalgonda, IN;
Ramamohan Rao Davuluri, San Clemente, CA (US);
Ravi Ponnaiah, Hyderabad, IN;
Praveen Kumar Neela, Hyderabad, IN;
Guruswamy Batthini, Hyderabad, IN;
Telagareddy Venkata Narasimharao, Hyderabad, IN;
Kosireddy Ravanababu, Hyderabad, IN;
Kallepally Sudheer, Nalgonda, IN;
Other;
Abstract
An improved process for the synthesis of 3-[2-[4-((6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (Paliperidone) and Paliperidone Palmitate through a novel intermediate (2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-9-hydroxy-4H-pyrido [1,2-a]pyrimidine-4-one Palmitate ester.