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:
Dec. 02, 2008
Filed:
Jun. 10, 2005
Ashok Kumar, Mumbai, IN;
Dharmendra Singh, Thane, IN;
Swapnali Hemant Patil, Thane, IN;
Ganesh Devidas Mahale, Mumbai, IN;
Uttamrao Arjunrao Sawant, Thane, IN;
Ashok Kumar, Mumbai, IN;
Dharmendra Singh, Thane, IN;
Swapnali Hemant Patil, Thane, IN;
Ganesh Devidas Mahale, Mumbai, IN;
Uttamrao Arjunrao Sawant, Thane, IN;
IPCA Laboratories, Ltd., Mumbai, IN;
Abstract
The present invention discloses selective and complete reduction of pyridine ring in a biaryl system comprising ∝-substituted or non-substituted benzene ring and relates more specifically, not exclusively, for the manufacture of methylphenidate, which is used for treatment of Attention Deficit Hyperactive Disorder (ADHD) and also acts as central nervous system stimulant, by using palladium/C in a solvent such as C1-C4 alcohols in presence of molar quantities of organic and/or inorganic acids.