Aminomethyl derivatives of monothiocarbamates and dithiocarbamates as additives for lubricants
CA 1317596 C · Owner: Ciba-Geigy Ag · Inventors: Camenzind, Hugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aminomethyl derivatives of monothiocarbamates and dithiocarbamates as additives for lubricants, Abstract, Composition containing one or more lubricants or hydraulic oils based on mineral oil, synthetic oils or mixtures thereof and at least one compound of the formulae I, II or III, I II, III, in which R1, R2, R3, R4, R5 and R6 independently of one another are C1-C24alkyl or C1-C24alkyl which can be substituted by oxo or thio groups, or C3-C24alkyl which can be interrupted by -O-, -S- and/or -N(R8)- in which R8 is hydrogen or C1-C12-alkyl and which can be substituted by oxo or thionogroups, or C2-C24alkenyl or phenyl or naphthyl which is unsubstituted or substituted by one or two …
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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 May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.