Expired Canadian patentCanada
Synthetic gtf chromium material and process therefor
CA 1330561 C · Owner: Jensen, Ned L. · Inventors: Jensen, Ned L.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel product obtained by reacting an alkali metal salt of nicotinic acid with a trivalent chromium salt and having glucose tolerance factor activity a, process for its production and a method for is use are, disclosed.
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 July 5, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 25, 1989
GrantedJuly 5, 1994
Term endedJuly 5, 2011
Patent numberCA 1330561 C
Classification (IPC)C07F11/00 +2 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.