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:
Mar. 21, 1989
Filed:
Nov. 10, 1987
CL Pharma Aktiengesellschaft, Linz, AT;
Abstract
Single-stage process for preparing mixed-substituted enantiomerically pure 1,2-diacyl-sn-glycero-3-phosphocholines of general formula I ##STR1## in which R.sub.1 and R.sub.2 are different and independently of each other denote a substituted or unsubstituted C.sub.1 to C.sub.24 -alkyl or C.sub.3 to C.sub.24 -alkenyl radical, by reacting 1-0-triphenylmethyl-2-acyl-sn-glycero-3-phosphocholine of the general formula ##STR2## in which T denotes a substituted or unsubstituted triphenylmethyl group and R.sub.2 is as defined above, with a reactive carboxylic acid derivative of the general formula
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile