Encapsulated assemblage and method of making
CA 1292668 C · Owner: St. Clair, David John · Inventors: St. Clair, David John; Samuelson, Gay Marie; Danforth, Richard Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An encapsulated assemblage and a process for making an encapsulated assemblage comprising:, (a) silanizing a substrate thereby forming a silanized substrate; (b) coating said silanized substrate with at least one thin extruded coherent film forming a coated substrate said film consisting essen-, tially of: (1) about 75 to about 90 parts by weight of a blend of: (a) about 65 to about 75 parts by weight of a selectively hydrogenated two-block polymer wherein one polymer block is designated by A and a second polymer block is designated by B such that prior to hydrogenation, (l) each A is a polymer block of a monovinyl or alpha alkyl monovinyl arene having a number …
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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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
- 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.