Process for preparing organopolysiloxanes containing sic-bonded organic radicals having a basic nitrogen
CA 1333115 C · Owner: Gamon, Norbert · Inventors: Gamon, Norbert; Braunsperger, Karl; Gamon, Norbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for preparing organopolysiloxanes containing SiC-bonded organic radicals having a basic nitrogen which comprises reacting in a first step, a silane of the formula YSi(CH3)x(OR1)3-x, in which R1 represents the same or different alkyl radicals having from 1 to 4 carbon atoms in each radical and Y repre-, sents a monovalent SiC-bonded organic radical having a basic nitrogen, and/or partial hydrolysates of the silane with an organo(poly)siloxane of the formula, R3SiO(SiR2O)nSiR3 in which R represents the same or different monovalent hydro-, carbon radicals or monovalent fluorinated hydrocarbon radicals and n is 0 or an integer having a value of from 1 to 100 in, an amount of from 0.1 …
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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 15, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 15, 2011.
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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.