AU Patent

AU2020229932B2 — Salt of aldose reductase inhibitor, and preparation method and application thereof

Assigned to CSPC Zhongqi Pharmaceutical Technology Shijiazhuang Co Ltd · Expires 2023-09-21 · 3y expired

What this patent protects

The present invention sets forth a salt of an aldose reductase inhibitor shown in formula A-N. The salt being able to be prepared as a crystal form, having notably improved solubility relative to the compound of formula A, having lower hygroscopicity allowing for stable existence…

USPTO Abstract

The present invention sets forth a salt of an aldose reductase inhibitor shown in formula A-N. The salt being able to be prepared as a crystal form, having notably improved solubility relative to the compound of formula A, having lower hygroscopicity allowing for stable existence, and thus being more easily made into a medicine than are the formula A compound or other salts.

Drugs covered by this patent

Patent Metadata

Patent number
AU2020229932B2
Jurisdiction
AU
Classification
Expires
2023-09-21
Drug substance claim
No
Drug product claim
No
Assignee
CSPC Zhongqi Pharmaceutical Technology Shijiazhuang Co Ltd
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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