Liquid and polymerizable composition suitable for the production of organic glasses endowed with high abrasion strength
CA 1279432 C · Owner: Enichem Sintesi S.P.A. · Inventors: Gagliardi, Claudio; Romano, Ugo; Renzi, Fiorenzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CASE 2259, "LIQUID AND POLYMERIZABLE COMPOSITION SUITABLE FOR THE PRODUCTION OF ORGANIC GLASSES ENDOWED WITH HIGH ABRASION STRENGTH", Abstract, A liquid composition polymerizable under the influence of free-radical initiators to yield crosslinked polymers useful as organic glasses endowed with high abrasion strength, contains an oligomer allyl-carbonate with two end allyl groups, a monomer allyl-carbonate with at least four end allyl groups and possibly also one or more reactive diluents containing groups of allyl vinyl, or methacryl type.
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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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
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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.