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:
Jul. 20, 2021
Filed:
May. 07, 2018
Applicant:
Ocera Therapeutics, Inc., Hazelwood, MO (US);
Inventors:
Ludwig Pilsl, Regensburg, DE;
Georg Winkler, Regensburg, DE;
Frank Demartin, Cary, NC (US);
Vassil Elitzin, Lincoln, NE (US);
Assignee:
Ocera Therapeutics, Inc., Hazelwood, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/43 (2006.01); C07C 229/26 (2006.01); C07C 57/32 (2006.01);
U.S. Cl.
CPC ...
C07C 51/43 (2013.01); C07C 57/32 (2013.01); C07C 229/26 (2013.01); C07B 2200/13 (2013.01);
Abstract
Embodiments of the present disclosure are related to improved processes for making L-ornithine phenylacetate without using any silver salts or forming any L-ornithine intermediate salts, such as a benzoate salt. The present processes may be used in the commercial scale manufacturing of L-ornithine phenylacetate with high yields and low impurities.