US Patent

US12116368 — Pyrrolo[2,3-d]pyrimidine tosylate salt, crystalline form thereof and manufacturing process and intermediates thereto

Composition of Matter · Assigned to Pfizer Inc · Expires 2041-10-17 · 15y remaining

Vulnerability score 17/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects a novel crystalline form of a p-toluenesulfonic acid salt of the compound 1-((2S,5R)-5-((7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)-2-methylpiperidin-1-yl)prop-2-en-1-one.

USPTO Abstract

The present invention discloses a novel p-toluenesulfonic acid salt and a crystalline polymorphic Form 1 of said salt of 1-((2S,5R)-5-((7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)-2-methylpiperidin-1-yl)prop-2-en-1-one, pharmaceutical composition containing the same, as well as preparations and uses thereof. The present invention also discloses a novel phosphoric acid salt of 1-((2S,5R)-5-((7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)-2-methylpiperidin-1-yl)prop-2-en-1-one, pharma-ceutical composition containing the same, as well as preparations and uses thereof.

Drugs covered by this patent

Patent Metadata

Patent number
US12116368
Jurisdiction
US
Classification
Composition of Matter
Expires
2041-10-17
Drug substance claim
Yes
Drug product claim
No
Assignee
Pfizer Inc
Source
FDA Orange Book + USPTO grounding via Google Patents

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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