Functional fluids and lubricants having improved water tolerance
CA 1238034 A · Owner: Exxon Research And Engineering Company · Inventors: Loeffler, Otto E.; Brecker, Lawrence R.; Abramoff, Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are disclosed functional fluids and lubricating compositions containing a minor amount of an oil-soluble alkoxypolyethyleneoxy acid phosphite ester additive which provides improved water tolerance properties to the compositions.
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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.