Curable molding compositions containing a poly(acrylate)
CA 1234449 A · Owner: Union Carbide Corporation · Inventors: Domeier, Linda A.; Michno, Michael J. Jr.; Peters, Edward N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Described herein are curable molding compositions comprising a mixture of:, (a) a poly(acrylate) characterized by the following empirical formula:, wherein R is the hydroxy-free residue of an organic polyhydric alcohol which contained alcoholic hydroxyl groups bonded to different carbon atoms R1 and R2 are, independently hydrogen or methyl and n is 1 to 3, (b) acrylic or methacrylic acid of a functionalized derivative thereof having a molecular weight of less than 300 which is different from (a) and, c) an ethylenically unsaturated monomer which is soluble in and copolymerizable with (a) and (b) and which is different from (a) and (b). The compositions can also contain one or more fibers …
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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 22, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 2005.
- 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.