Two-stage photocuring process for a dental composition

Details Two-stage photocuring process for a dental composition Two-stage photocuring process for a dental composition

1994-07-21

1995-12-05

Berman, Susan W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 28, 522908, 522913, 523116, 4332281, 433215, C08F 250, A61C 500, C08J 328, C08K 340

Patent

active

054729912

ABSTRACT:
The invention relates to photopolymerizable dental compositions of ethylenically unsaturated monomers and/or polymers thereof which are curable in two curing steps. Besides being comprised of fillers, said compositions also contain a photoinitiator component I having a light absorption maximum of <450 nm and a molar extinction of the light absorption of <10 at wavelengths of 470 nm or higher, and a photoinitiator component II having a molar extinction of the light absorption of >20 at least at one wavelength of at least >450 nm.

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patent: 4744827 (1988-05-01), Winkel et al.
patent: 4771084 (1988-09-01), Kubota et al.

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