Dithiocarbamates containing alkylthio and hydroxy substituents
CA 2405936 A1 · Owner: Ethyl Corporation · Inventors: Gatto, Vincent James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
bh c* , This invention relates to a low cost. wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can he used to formulate, low phosphorus lubricants. In addition to wear inhibition the dithiocarbamate, compositions of the invention provide substantial oxidation protection to lubricating oils, and are not detrimental to fuel economy.
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 October 1, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2024.
- 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.