Organosiloxane polymer, photo-curable resin composition,...

Details Organosiloxane polymer, photo-curable resin composition,... Organosiloxane polymer, photo-curable resin composition,...

2005-03-15

2005-03-15

O'Sullivan, Peter (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C522S099000, C528S015000, C528S035000, C560S070000

Reexamination Certificate

active

06867325

ABSTRACT:
An organosiloxane polymer comprising recurring units of the general formula (1) and having a weight average molecular weight of 1,000-500,000 is novel.R1to R4are monovalent hydrocarbon groups, n is an integer of 1-2,000, X has a structure of the formula:and R5is an acrylic functional organic group of the formula:wherein R′ is H or methyl and R″ is a divalent hydrocarbon group. A photo-curable resin composition comprising the organosiloxane polymer and a sensitizer can be cured with a wide wavelength range of light.

REFERENCES:
patent: 3159601 (1964-12-01), Ashby
patent: 3159662 (1964-12-01), Ashby
patent: 3220972 (1965-11-01), Lamoreaux
patent: 3775452 (1973-11-01), Karstedt
patent: 6211322 (2001-04-01), Dohler et al.
patent: 6239246 (2001-05-01), Takahashi et al.
patent: 04-136860 (1992-05-01), None
Yasuyuki et al., Patent Abstracts of Japan, Japan Appln. No. 04-136860, May 11, 1992.

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