AU2017208215C1 — Stable crystal form of tipiracil hydrochloride and crystallization method for the same
Assigned to Les Laboratoires Servier SAS · Expires 2024-07-11 · 2y expired
What this patent protects
An objective of the present invention is to obtain a stable crystal form of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrim idinedione hydrochloride. The present invention provides a crystal of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrim idinedione…
USPTO Abstract
An objective of the present invention is to obtain a stable crystal form of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrim idinedione hydrochloride. The present invention provides a crystal of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrim idinedione hydrochloride exhibiting characteristic peaks at two or more angles selected from the group consisting of 10.5, 19.6, 23.7, 26.2, and 31.2as a diffraction angle (20 i 0.1°) in powder X-ray diffraction. 32 Fig. 1 g .3
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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