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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.:

US 9708304 B1

PDFFull Text
Date of Patent:
Jul. 18, 2017

Filed:

Jan. 31, 2014

Salt polymorph of thioxanthene-9-ylidene-1-methyl piperidine acid addition salts as antimigraine compounds

Applicant:

Biofrontera Bioscience Gmbh, Leverkusen, DE;

Inventors:

Beate Schmitz, Köln, DE;

Hermann Luebbert, Leverkusen, DE;

Assignee:

Biofrontera Bioscience GmbH, Leverkusen, DE;

Attorney:

Barnes & Thornburg LLP

Primary Examiner:

Noble Jarrell

Assistant Examiner:

Ben S Michelson

Int. Cl.
CPC ...
C07D 211/00 (2006.01); C07D 295/00 (2006.01); C07D 409/00 (2006.01); C07D 411/00 (2006.01); C07D 417/00 (2006.01); C07D 419/00 (2006.01); A61K 31/445 (2006.01); C07D 409/04 (2006.01);
U.S. Cl.
CPC ...
C07D 409/04 (2013.01);
Abstract

The present invention relates to novel crystal forms of 4-(6-ethoxy-1-methoxy-thioxanthene-9-ylidene)-1-methyl piperidine salts and 4-(6-ethoxy-1-hydroxy-thioxanthene-9-ylidene)-1-methyl piperidine salts; especially to novel crystal forms of 4-(6-ethoxy-1-methoxy-thioxanthene-9-ylidene)-1-methyl piperidine hydrochloride and 4-(6-ethoxy-1-hydroxy-thioxanthene-9-ylidene)-1-methyl piperidine hydrochloride as well as to the use of these salts for preventing or treating migraine or pulmonary hypertension.

Find Patent Forward Citations

Schmitz, Beate. (2017). Salt polymorph of thioxanthene-9-ylidene-1-methyl piperidine acid addition salts as antimigraine compounds (U.S. Patent No. 9708304). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9708304

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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