Coupled phosphorus-containing amides, precursors thereof and lubricant compositions containing same
CA 1297119 C · Owner: The Lubrizol Corporation · Inventors: Adams, Paul E.; Luciani, Carmen V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: COUPLED PHOSPHORUS-CONTAINING AMIDES PRECURS-, ORS THEREOF AND LUBRICANT COMPOSITIONS CONTAIN- ING SAME, Abstract of the Disclosure, A load-carrying agent and a lubricating composition containing such an agent is disclosed. The agent is preferably comprised of a statistical mixture of a plurality of different coupled phosphorus-containing amide compounds having the formula (I), wherein X1, X2 and X3, independently is, O or S; wherein R1 and R2, independently is a, hydrocarbyl, a hydrocarbyl-based oxy the hydrocarbyl, portion of which contains 6 to 22 carbon atoms or a, hydrocarbyl-based thio having from 4 to about 34 carbon atoms; wherein R3, R4, R5 and R6, independently is hydrogen, …
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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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.
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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.