Photopolymerizable composition including catalyst comprising diketone plus 4-(n,n- dimethylamino)benzoic acid or ester thereof
CA 1214678 A · Owner: Johnson & Johnson Dental Products Company · Inventors: Martin, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
16-, PHOTOPOLYMERIZABLE COMPOSITION INCLUDING CATALYST COMPRISING DIKETONE PLUS 4-(N,N-DIMETHYLAMINO)BENZOIC ACID OR ESTER THEREOF, ABSTRACT, There is described a photopolymerizable composition which contains at least one olefinically unsaturated compound and a photosensitive catalyst containing a diketone plus 4-(N,N-dimethylamino)benzoic acid or lower alkyl ester thereof.
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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 December 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 2003.
- 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.