Photoinitiated reactions

Details Photoinitiated reactions Photoinitiated reactions

2006-12-22

2011-10-04

Berman, Susan W (Department: 1765)

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

Synthetic resins

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

C522S031000

Reexamination Certificate

active

08030368

ABSTRACT:
Photoinitiated reactions especially in photopolymer technology, as well as photoinitiated color forming reactions are achievable by applying a reactive substrate selected from a polymerisable and/or crosslinkable composition and a color changing substance to a support, activating a latent photoinitiator applied with the reactive substance and subsequently exposing the reactive substrate with the resulting photoinitiator therein to photoreaction conditions wherein actinic radiation causes the substrate to undergo polymerization and/or crosslinking or color change respectively, the substrate being locally modified in its constitution as a result of its exposure to actinic radiation at least one stage of the method, so that the resulting polymerised and/or crosslinked composition or color changed substance corresponds in its distribution on the support to the locations of the modification of the substrate.

REFERENCES:
patent: 4026705 (1977-05-01), Crivello et al.
patent: 4072694 (1978-02-01), Brattesani
patent: 4795766 (1989-01-01), Rutsch et al.
patent: 4923941 (1990-05-01), Bailey
patent: 5510539 (1996-04-01), Berner et al.
patent: 5998495 (1999-12-01), Oxman et al.
patent: 6335143 (2002-01-01), Sumino
patent: 6388104 (2002-05-01), Hartl et al.
patent: 6479039 (2002-11-01), Dyer et al.
patent: 6482565 (2002-11-01), Jung et al.
patent: 6844375 (2005-01-01), Hartl et al.
patent: 0 874 282 (1998-10-01), None
patent: 0 887 706 (1998-12-01), None
patent: 11269235 (1999-10-01), None
Publication JP 04270248A, “New Benzyl Phenyl Ketone Derivatives”, Sep. 1992.
G. Bradley et al., J. Photochemistry and Photobiology A: Chemistry 100, pp. 109-118, 1996.
Y. Hiraguri et al, J Am. Chem. Soc. 109, pp. 3779-3780, 1987.
R. S. Davidson et al, J. of Photochemistry and Photobiology A: Chemistry 109, pp. 185-193, 1997.
International Search Report regarding PCT/GB2001/03497.
European Search Report regarding EP 06021725.4-1226/1772774.
Shirai et al. “Photoacid and photobase generators: chemistry and applications to polymeric materials,” Prog. Poly. Sci., vol. 21, 1-18, 1996.
LiBassi et al. “Photoinitiators for the simultaneous generation of free radicals and acid hardening catalysts,” Radcure, 1986 Proceedings, Dec. 1987.
Mitchell, et al. “A new high-speed photopolymerization system,” Journal of Imaging Science, vol. 30 (5), Sep./Oct. 1998 pp. 215-217.
Crivello et al. “Photoinitiators for free radical cationic & anionic photopolymerization,” John Wiley and Sons, 2ndEd., 1998, pp. 259-265.
Search report for related European Patent Application 06021725.6.
Taskinen E., et al “relative Thermodynamic Stabilities of 2-Substituted 4-Methylene-1, 3-dioxolanes and 4-Methyl-1, 3-dioxoles”. Structural Chemistry, vol. 8 No. 6, 1997.

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