Process for fixing photo-induced colored derivatives of spiropyr

Details Process for fixing photo-induced colored derivatives of spiropyr Process for fixing photo-induced colored derivatives of spiropyr

1981-09-25

1982-08-24

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 84, 524 88, 524104, 524110, 524111, C08K 500

Patent

active

043461867

ABSTRACT:
The present invention relates to processes for fixing photo-induced colored derivatives of spiropryans in solvent and solid solutions, and to compositions in which said photo-induced colored derivatives may be fixed, said processes comprising irradiating solvent or solid solutions comprising a spiropryan and an iodonium salt.

REFERENCES:
patent: 3501410 (1970-11-01), Newland et al.
patent: 3810762 (1974-05-01), Laridon et al.
patent: 4026705 (1977-05-01), Crivello
patent: 4173551 (1979-11-01), Crivello

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