Light sensitive copying composition comprising a synergistic initiator system
CA 1058943 A · Owner: Hoechst Aktiengesellschaft · Inventors: Frass, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a light-sensitive copying composition comprising at least one polymeric binder at least one ethylenically-unsatur-, ated compound with at least two double bonds capable of addition polymerization, and a photoinitiator system, said photoinitiator system being composed of at least two components I and II, wherein I is at least one compound of the general Formula I, wherein R0 is O S or NR1; R1 is hydrogen, a saturated or unsaturated unsubstituted hydrocarbon radical with 1 to 6 carbon atoms a saturated or unsat-, urated hydrocarbon radical with 1 to 6 carbon atoms which is substituted by hydroxyl, alkoxy, alkoxycarbonyl, acyl acyloxy and/or halogen, an aralkyl, group …
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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 July 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 24, 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.