Ethylene vinyl acetate compositions for dielectric sealing applications
CA 1297217 C · Owner: Ablestik Laboratories · Inventors: Yannich, Marie E.; Katz, Howard G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A binder suitable for dielectric sealing may be prepared comprising a blend of a polyvinyl halide emulsion and an aqueous emulsion comprising a vinyl ester of an alkanoic acid interpolymerized with a) 5 to 28% by weight of ethylene;, b) 0.5 to 4% by a weight of an N-methylol containing copolymerizable monomer;, c) 0 to 3% by weight of a latex stabilizer; and d) 0 to 1% by weight of at least one polyunsaturated copolymerizable monomer, the binder having a Tg of -15 to +35°C and being buffered to a pH greater than 7.
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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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
- 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.