Lubricating oil composition for two-cycle engines
CA 1329803 C · Owner: Idemitsu Kosan Co. Ltd. · Inventors: Kido, Masahiko; Miyaji, Tomomi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lubricating oil composition for two-cycle engines comprising, (A) 40 to 90 % by weight of one or more polymers selected from the group consisting of copolymers of ethylene and an .alpha. -olefin and polymers of an .alpha. -olefin having 6 to 18 carbon atoms;, (B) 0 to 50 % by weight of a polybutene having a kinematic viscosity of 2 to 600 cSt as measured at 100 °C ; (C) 5 to 50 % by weight of a hydrocarbonaceous solvent having a boiling point not higher than 300 °C ; and (D) 2 to 20 % by weight of a lubricating oil additive for two-cycle engines. The lubricating oil composition for two-cycle engines excels in both cleanliness and anti-seizure property.
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 May 24, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2011.
- 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.