Phosphorus- and/or nitrogen-containing derivatives of sulfur-containing compounds, lubricant, fuel and functional fluid compositions
CA 1309705 C · Owner: Di Biase, Stephen A. · Inventors: Pialet, Joseph W.; Di Biase, Stephen A.; Scharf, Curtis R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
L-2351R, Title: PHOSPHORUS- AND/OR NITROGEN-CONTAINING DERIVA- TIVES OF SULFUR-CONTAINING COMPOUNDS, LUBRI- CANT, FUEL AND FUNCTIONAL FLUID COMPOSITIONS Abstract of the Disclosure, This invention is directed to phosphorusand/or nitrogen-containing derivative compositions useful particularly in fuels, and in lubricating and functional fluid compositions. The derivative compositions comprise a phosphorus- and/or nitrogen-containing derivative composition of sulfur-containing compounds prepared by the process comprising reacting (A) at least one sulfur composition from the group of, (A-1) compounds characterized by the structural formula, (I), wherein, R1, R2 R3 and R4 are each independent-, …
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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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 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
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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.