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.

Date of Patent:
Feb. 09, 2016

Filed:

May. 14, 2012
Applicants:

Catherine Coulter, Ballymena, GB;

Sean M. Johnston, Doylestown, PA (US);

Farzaneh Seyedi, Mansfield, MA (US);

Inventors:

Catherine Coulter, Ballymena, GB;

Sean M. Johnston, Doylestown, PA (US);

Farzaneh Seyedi, Mansfield, MA (US);

Assignees:

Warner Chilcott Company, LLC, Fajardo, PR (US);

Paratek Pharmaceuticals, Inc., Boston, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/65 (2006.01); C07C 237/26 (2006.01); C07C 309/04 (2006.01); C07C 239/20 (2006.01);
U.S. Cl.
CPC ...
C07C 309/04 (2013.01); C07C 239/20 (2013.01); C07B 2200/07 (2013.01); C07B 2200/13 (2013.01); C07C 2103/46 (2013.01);
Abstract

A crystalline mono hydrochloride salt of (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12a-tetrahydroxy-7-[(methoxy(methyl)amino)-methyl]-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide is disclosed having improved stability. In addition, a crystalline mono mesylate salt and crystalline mono sulfate salt of (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12a-tetrahydroxy-7-[(methoxy(methyl)amino)-methyl]-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide are also disclosed having improved stability. A pharmaceutical composition containing the crystalline salts and methods of treating inflammatory skin disorders and bacterial infections comprising administering the crystalline salts are also disclosed.


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