Photosensitive recording materials containing elastomeric graft copolymer binders, and relief plates obtained from these
CA 1314751 C · Owner: Hoffmann, Gerhard · Inventors: Koch, Horst; Schulz, Guenther; Hoffmann, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a photosensitive recording element which can be developed in aqueous solvents and possess a photosensitive recording layer consisting of a) a polymeric binder, b) a photoinitiator and c) at least one additional compatible photopolymerizable polymer. The polymeric binder consists of a polyalkylene oxide/vinyl ester graft polymer which is preferably soluble in water has been, hydrolyzed or partially hydrolyzed and partially esterified or transesterified, and which contains alkylene oxide grafted alkylene oxide, vinyl alcohol and vinyl ester structural units in certain amounts and ratios. The elastomeric graft copolymers and recording materials produced from them are used for the …
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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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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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.