Radiation curable oligomers
CA 1045637 A · Owner: O'Brien Corporation (The) · Inventors: Edison, Bruce A.; Huemmer, Thomas F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel oligomers which may be cured by high energy radiation which oligomers are specifically adapted to use in the coating field are, described, and a method of making such oligomers. the oligomers are the reaction products of certain low molecular weight epoxy compounds and certain low molecular weight mono-hydroxy vinyl compounds having at least one vinylic unsaturation, either in the form of vinyl groups allylic, acrylic or meth-, acrylic radicals attached thereto wherein the resulting oligomers have more than one vinylic group per molecule. The oligomers may be applied as thin films, and cured extremely quickly, to develop superior properties as coating compositions. The oligomers may …
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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 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 1996.
- 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.