Difunctional photoinitiators

Details Difunctional photoinitiators Difunctional photoinitiators

2006-08-01

2006-08-01

Berman, Susan (Department: 1711)

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

Synthetic resins

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

C522S042000, C522S114000, C522S103000, C568S397000, C568S410000, C568S336000

Reexamination Certificate

active

07084183

ABSTRACT:
The invention relates to α-hydroxy ketones of formula I or IIa; or mixtures of compounds of formula I and II; or mixtures of compounds of formulae Ia and IIa

REFERENCES:
patent: 4308400 (1981-12-01), Felder et al.
patent: 4721734 (1988-01-01), Gehlhaus et al.
patent: 4987159 (1991-01-01), Li Bassi et al.
patent: 5942290 (1999-08-01), Leppard et al.
patent: 0003002 (1979-07-01), None
patent: 2004/009651 (2004-01-01), None

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