Patent Yard Sign in
Canadian application, no grantCanada

Lubrication oil composition

CA 2174931 A1 · Owner: Tonen Corporation · Inventors: Tomizawa, Hirotaka; Tokashiki, Michihide

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A lubricating oil composition comprising a basestock oil and based on the oil , composition, (A) 0.01 to 10 % by weight of oxymolybdenum monoglyceride or oxymolybdenum diethylate amide and (B) 0.5 to 7 % by weight of a metal dithiocarbamate represented by general formula (I) where M represents metal , such as zinc R1 to R4 represent C1-C30 oleophilic group at least one of which is a secondary oleophilic group. The composition may also contain (C) 0.01 to 5 % by weight of an organic amide compound. The lubricating oil composition is excellent in wear resistance, exhibiting a low coefficient of friction capable of improving fuel economy and improved for copper corrosiveness as , well as …

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

  • Filed November 29, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 29, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 29, 1994
GrantedNo grant recorded
Term endedNovember 29, 2014
Patent numberCA 2174931 A1
Classification (IPC)C10M139/00 +2 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedNov 29, 1994Term endedNov 29, 2014

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.