Process for preparation of photosensitive compositions of stilba

Details Process for preparation of photosensitive compositions of stilba Process for preparation of photosensitive compositions of stilba

1993-04-05

1994-10-25

Reddick, Judy M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

430287, 430270, 430906, 430909, 522149, 525 61, C08F 800

Patent

active

053589998

ABSTRACT:
Polyvinyl alcohol is modified by reaction with a stilbazol quaternary salt acetal to produce a water soluble polymer capable of photodimerizing on exposure to active radiation to yield water-soluble photoresist materials.

REFERENCES:
patent: 2811443 (1957-10-01), Robertson et al.
patent: 4287335 (1981-09-01), Ichimura
patent: 4339524 (1982-07-01), Ichimura et al.
patent: 4777114 (1988-10-01), Ichimura et al.
patent: 4891300 (1990-01-01), Ishimura et al.
patent: 4920030 (1990-04-01), Ichimura et al.
patent: 5021505 (1991-06-01), Ichimura et al.
patent: 5061603 (1991-10-01), Hamilton et al.
Ichimura et al., Journal of Polymer Science: Polymer Chemistry Ed, vol. 18, 891-902 (1980) "Immobilization of Enzymes with Use of Photosensitive Polymers Having The Stilbazolium Group".

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