Lubricating oil compositions and fuel compositions containing substantially straight chain pinwheel alkylphenyl poly(oxypropylene) amino carbamates
CA 1341045 C · Owner: Buckley, Thomas F. Iii · Inventors: Buckley, Thomas F. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are liquid alkylphenyl poly(oxypropylene) aminocarbamates which do not form a wax when cooled to -40°C in a 50 weight percent solution with toluene said, aminocarbamates having at least one basic nitrogen and an average molecular weight of about 600 to 6,000 and wherein the alkyl group is substantially straight-chain of from 25 to 50 carbon atoms. Also disclosed are fuel compositions and concentrates as well as lubricating oil compositions and concentrates containing said alkylphenyl poly(oxypropylene) aminocarbamates.
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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 July 4, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 4, 2017.
- 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
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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.