Acrylic polymers containing hydrolyzable moieties from organosilane compounds
CA 1266940 C · Owner: Ambrose, Ronald Ruthvoyne · Inventors: Ambrose, Ronald Ruthvoyne; Peffer, John Roscoe; Dufford, Edward Lee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an ungelled acrylic resin composition containing an acrylic polymer having in a molecule thereof at least one group containing a silicon atom selected from: and , wherein, each R independently is selected from the group of moieties consisting of Y, hydrogen, a C1-C10 group joined to Si through an Si-C linkage and, OR7 in which R7 represents alkyl having at least 4 carbon atoms aryl, alkylaryl, arylalkyl, aryloxyalkyl or alkyloxyalkyl, wherein Y, represents an easily hydrolyzable group. The acrylic resin composition contains an amount of easily, hydrolyzable Y moieties such that the ratio of the number of grams of the ungelled acrylic resin composition to equivalent of easily …
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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 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2007.
- 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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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.