Mercaptotriazine derivatives as lubricant additives
CA 1305708 C · Owner: Ciba-Geigy Ag · Inventors: Schneider, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A-16772/=/CGM 320, Mercaptotriazine derivatives as lubricant additives Abstract, Compounds of the formula, (I) and of the formula, (II), in which X and X' are for example, -S-CHR1, -NR2R3, -S-R3, -NR2R3 or -OR3, R1 is, for example, -H, alkyl, cycloalkyl or phenyl R2 and R3 are, for example, -H, alkyl, cycloalkyl or phenyl or R2 and R3 together form, a 3- to 7-membered heterocyclic ring and R is alkylene, and compositions, containing at least one compound of the formulae I and/or II and at least one lubricant, one hydraulic fluid or one metal working fluid the com-, pounds of the formula I and/or II being used as extreme pressure and wear-reducing additives.
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 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 2009.
- 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.