Fluoropolyethers containing end groups endowed with anchoring capacity
CA 1287637 C · Owner: Caporiccio, Gerardo · Inventors: Strepparola, Ezio; Scarati, Mario Alberto; Caporiccio, Gerardo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides compounds suitable as lubricants, having general formula: (I) RO-(C3F6O)m-(CFXO)n-CFX-L, or, (II) R"CFXO-(C3F6O)x(CFXO)y-(C2F4O)z-CFX-L wherein R, is -CF3, -C2F5, or -C3F7, X is F or -CF3 R"is F, -CF3, or, -C2F5, m is an integer from 3 to 100 n is a finite integer, or = zero, where m + n ranges from 3 to 100 provided that, when n is finite, m/n ranges from 5 to 20 and R is preferably -CF3, when n is zero, R is preferably -C2F5 or -C3F7, x is a finite integer, or is zero y and z are finite integers, such that x+y+z ranges from 5 to 200 while , ranges from 5 to 0.5, provided that when x = zero z/y, ranges from 1 to 0.5 and y + z ranges from 5 to 200 n while X is …
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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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.