Estramustine phosphate alcohol complexes, their preparation, and their use as intermediates in purification of said compound and salts thereof
CA 1083140 A · Owner: Aktiebolaget Leo · Inventors: Kristensson, Sten K.; Stamvik, Anders R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Inventors: STEN KRISTER KRISTENSSON, ANDERS ROBERT STAMVIK Title: Estramustine Phosphate alcohol complexes their preparation, and their use as intermediates in purification of said compound and salts thereof. Abstract of the This invention relates to Estramustine Disclosure: Phosphate alcohol complexes their pre-, paration, and their use as intermediates in purification of said compound and salts thereof, and more particularly to a method of such purification which involves the use of certain alcohols which form molecular complexes with Estramustine Phosphate. It also includes said novel molecular complexes.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1997.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.