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:
May. 01, 2012
Filed:
Nov. 14, 2008
Gesa Paradies, Brig, CH;
Markus Bicker, Visp, CH;
Anton Zenklusen, Baltschieder, CH;
Dario Veghini, Wohlen, CH;
Gesa Paradies, Brig, CH;
Markus Bicker, Visp, CH;
Anton Zenklusen, Baltschieder, CH;
Dario Veghini, Wohlen, CH;
Lonza Ltd, Basel, CH;
Abstract
Betaines of formula RN-Q-COO(I), wherein R is Calkyl and Q is Calkanediyl, optionally substituted with hydroxy, are prepared in one step by adding an ω-halocarboxylate of formula X-Q-COOR' (II), wherein Q is as defined above, R′ is Clalkyl and X is chlorine, bromine or iodine, to an aqueous solution containing a tertiary amine of formula RN (III), Wherein R is as defined above and a base selected from alkali hydroxides and alkaline earth hydroxides. The process is particularly suited to the production of L-carnitine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile