Thermal oxidatively stable synthetic fluid composition
CA 1339451 C · Owner: The Lubrizol Corporation · Inventors: Lange, Richard M.; Salomon, Mary F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermal oxidatively stable synthetic fluid composition is disclosed. The composition is essentially comprised of an aromatic carboxylic acid ester of the general formula, (See Fig. I), wherein Ar is an aromatic moiety R is a neo hydrocarbyl, group containing from about 5 to about 18 carbon atoms with the proviso that R is not a cycloalkyl substituted neo hydrocarbyl group, R1 is a mono, di tri or tetra, functional hydrocarbyl group containing from 1 to about 18 carbon atoms, n is an integer from about 2 to about 4 and represents the total number of carboxylic acid ester groups on the aromatic moiety, a is an integer from about 1 to about 4, when a is 1 R1 is monovalent when a is 2 R1, is …
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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 September 9, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2014.
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Timeline
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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.