Hydrocarbon oxidate composition
CA 1249578 A · Owner: Ashland Oil, Inc. · Inventors: Carlos, Donald D.; Friley, Keith B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hydrocarbon oxidate composition which comprises the reaction product of (a) a hydrocarbon oxidate as described herein, or the metal salt thereof with (b) a polyamine, as described, herein and (c) at least one copolymer of an olefin and a comonomer selected from (i) an unsaturated carboxylic acid; or (ii) a vinyl ester of a saturated carboxylic acid, wherein the hydrocarbon oxidate composition comprises a wax oxidate a petrolatum oxidate or, mixtures thereof and has a very high vicosity increased molecular, weight and sinewy characterisitcs and is useful as a lubricant grease, or protective coating. RI-6191A
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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 31, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2006.
- 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
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.