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Last Updated: November 15, 2019

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Details for Patent: 5,763,426

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Summary for Patent: 5,763,426
Title: Crystalline form of a vitamin D analogue
Abstract:The present invention relates to calcipotriol hydrate--a new crystalline form of calcipotriol--with superior technical properties and with superior stability.
Inventor(s): Hansen; Erik Torngaard (Fredensborg, DK), Rastrup Andersen; Niels Smidt (Vanl.o slashed.se, DK), Ringborg; Lene Hoffmeyer (Br.o slashed.nsh.o slashed.j, DK)
Assignee: Leo Pharmaceutical Products Ltd. (Ballerup, DE)
Application Number:08/491,892
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,763,426
Patent Claim Types:
see list of patent claims
Compound; Composition; Use; Formulation;

Drugs Protected by US Patent 5,763,426

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 5,763,426

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9300763Jan 15, 1993
PCT Information
PCT FiledJanuary 15, 1993PCT Application Number:PCT/DK94/00011
PCT Publication Date:July 21, 1994PCT Publication Number: WO94/15912

International Family Members for US Patent 5,763,426

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 159717   Start Trial
Australia 5857394   Start Trial
Australia 663249   Start Trial
Canada 2151730   Start Trial
China 1040746   Start Trial
China 1115979   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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