AU2013204129C1 — Crystal Form of Quinoline Compound and Process for its Production
Assigned to Nissan Chemical Corp · Expires 2017-03-02 · 9y expired
What this patent protects
H:\dr\lntenvovn\NRPortbl\DCC\RBR\5067473_ .DOC- 1/04/2013 A method for producing a drug substance of crystalline pitavastatin calcium excellent in stability, is presented. In the production of a compound (pitavastatin calcium) 5 represented by the formula (1): The water content i…
USPTO Abstract
H:\dr\lntenvovn\NRPortbl\DCC\RBR\5067473_ .DOC- 1/04/2013 A method for producing a drug substance of crystalline pitavastatin calcium excellent in stability, is presented. In the production of a compound (pitavastatin calcium) 5 represented by the formula (1): The water content is adjusted to a level of from 5 to 15%, and the crystal form is controlled to be crystal form A, thereby to obtain a drug substance excellent in stability.
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.