US Patent
US9193732 — Salt(s) of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-D]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Composition of Matter · Assigned to Astex Therapeutics Ltd · Expires 2031-11-09 · 5y remaining
Vulnerability score
10/100
Ironclad — strong claim type, well-established, deep family
What this patent protects
This patent protects a process for making and novel salts of the active substance RIBOCICLIB SUCCINATE, including pharmaceutical compositions and methods of treatment.
USPTO Abstract
This invention relates to (1) process of making 7-Cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide and salts thereof; (2) novel salt(s) of 7-Cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide; (3) pharmaceutical compositions comprising the same; and (4) methods of treatment using the same.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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