Expired Canadian patentCanada
Friction reducing additives and compositions thereof
CA 1165313 A · Owner: Mobil Oil Corporation · Inventors: Kaminski, Joan M.; Gawel, Henry A.; Horodysky, Andrew G.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Alkyl amines alkyl diamines and borated adducts, of alkyl amines and diamines are effective friction reducing additives when incorporated into lubricating oils.
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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 April 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 13, 1981
GrantedApril 10, 1984
Term endedApril 10, 2001
Patent numberCA 1165313 A
Classification (IPC)C10M133/06
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.