Process for generation of acid and for imaging, and imaging medi

Details Process for generation of acid and for imaging, and imaging medi Process for generation of acid and for imaging, and imaging medi

1995-03-20

1996-07-09

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430269, 4302701, 430333, 430335, 430336, 430340, 430348, 430203, G03C 1725, G03C 173, G03C 1735, G03C 500

Patent

active

055343880

ABSTRACT:
Acid can be generated by exposing a superacid precursor to actinic radiation effective to generate superacid from the superacid precursor and heating the superacid in admixture with a secondary acid generator capable of undergoing thermal decomposition to produce a secondary acid. The superacid catalyzes decomposition of the secondary acid generator, thus increasing the quantity of strong acid present in the medium. The resultant secondary acid can be used to effect a color change in an acid-sensitive material, so providing an imaging process.

REFERENCES:
patent: 5102771 (1992-04-01), Vogel et al.
patent: 5278031 (1994-01-01), Boggs et al.
patent: 5286612 (1994-02-01), Telfer
patent: 5334489 (1994-08-01), Grasshoff et al.
patent: 5395736 (1995-03-01), Grasshoff et al.
patent: 5401619 (1995-03-01), Boggs et al.

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