Lubricating composition
CA 1208196 A · Owner: Uniroyal, Inc. · Inventors: Nudenberg, Walter; Loveless, Frederick C.; Watts, Raymond F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lubricating composition is provided containing: a high viscosity synthetic hydrocarbon such as a high viscosity polyalphaolefin, a liquid hydrogenated polyisoprene or an ethylene-alphaolefin copolymer having a viscosity of 40-1000 centistopes at 100°C; a low viscosity synthetic hydrocarbon and/or optionally a low viscosity ester; and optionally an additive package to impart desirable performance properties to the composition.
Read the whole patent
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 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.