Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1985-11-08
1987-10-06
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
430270, 427 541, 522904, 522905, 522148, 522164, G03C 500, B03D 306
Patent
active
046982957
ABSTRACT:
Polyimides which essentially consist of 0.1 to 100 mol % of at least one structural element of the formula I ##STR1## and 99.9 to 0 mol % of at least one structural element of the fomula II and/or III ##STR2## in which and Z' are a tetravalent aromatic radical, Q' is a trivalent aromatic radical, X and X' are a divalent radical of an organic amine are autophotocrosslinkable. They are suitable for the production of protective films and photographic relief images.
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Duthaler Rudolf
Pfeifer Josef
Ciba-Geigy Corporation
Hall Luther A. R.
Hamilton Cynthia
Kittle John E.
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