Expired Canadian patentCanada
Protein absorption enhancing agents
CA 1269931 C · Owner: Sarnoff, Stanley Jay · Inventors: Sarnoff, Stanley Jay; Sobel, Burton E.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The absorption rate of proteins with, medicinal properties in the blood is enhanced by administering the protein intramuscularly together with an absorption enhancing agent, e.g. hydroxylamine or a salt thereof.
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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 June 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 27, 1986
GrantedJune 5, 1990
Term endedJune 5, 2007
Patent numberCA 1269931 C
Classification (IPC)A61K47/00 +1 more
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.