C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/2, 260/608,
C08F 299/04 (2006.01) A61K 6/083 (2006.01) C08F 4/40 (2006.01) C08F 20/36 (2006.01) C08F 299/06 (2006.01)
Patent
CA 1233831
ABSTRACT The present application pertains to a new organic amine salt of an acid. The use of organic amine salts of acids as photoaccelerators is especially useful in visible light photo- polymerization when speed and depth of cure are needed. The preferred organic amine salt is of an organic acid with both the salt and amine moieties being unsaturated, the acid being methacrylic acid and the amine NN(dimethyl)-3-neopentyl acrylate. A new method for preparing the organic amine salt is also shown involving cooling both the organic amine and the acid before they are brought together in a non-aqueous reaction.
446504
Horne Shek C.
Tateosian Louis H.
Dentsply International Inc.
Smart & Biggar
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