Diethylamine complexes of borated alkyl catechols and lubricating oil compositions containing the same
CA 1338875 C · Owner: Chevron Research And Technology Company · Inventors: Small, Vernon R. Jr.; Onopchenko, Anatoli; Liston, Thomas V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lubricating composition comprises the reaction product of borated alkyl catechols with diethylamine. The borated alkyl catechol has a molar ratio of alkyl catechol to boron of 1:1 or 3:1 or mixtures thereof and furthermore wherein the alkyl group of the borated alkyl catechol contains from 10 to 30 carbon atoms. Lubricating oils containing such complexes are effective in reducing oxidation wear and deposits it in an internal combustion engine.
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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 January 28, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2014.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.