发明授权
US5700621A Polymers and photosensitive mixture prepared therewith 失效
聚合物和用其制备的感光性混合物

Polymers and photosensitive mixture prepared therewith
摘要:
A polymer comprising repeating units of the formula ##STR1## wherein R.sup.1 , R.sup.2 and R.sup.3 are, independently of one another, hydrogen atoms or alkyl groups, X is CO or SO.sub.2, and Y and Z are, independently of one another, alkyl, alkenyl, cycloalkyl, aryl or heterocyclic radicals, or Y and Z are linked to one another and are constituents of a five-membered or six-membered hetero-cyclic ring.
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