Nitrogylcerin preparations
CA 1184496 A · Owner: Forest Laboratories, Inc. · Inventors: Blank, Izhak
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compositions and methods for the preparation and application thereof, for the gradual release of nitroglycerin upon application to the skin of a patient, per se or on a carrier comprising a mixture of nitrogly-, cerin and water-insoluble vinylpyrrolidone copolymers or crosslinked homopolymer.
Read the whole patent
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 March 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.