首页>
外国专利>
TREATMENT OF BACKGROUND AREAS OF DEVELOPED ELECTROPHOTOGRAPHIC ELEMENTS WITH CARBOXY SUBSTITUTED TRIARYLAMINE PHOTOCONDUCTORS WITH AN ALKALINE MEDIUM TO REDUCE OPACITY
TREATMENT OF BACKGROUND AREAS OF DEVELOPED ELECTROPHOTOGRAPHIC ELEMENTS WITH CARBOXY SUBSTITUTED TRIARYLAMINE PHOTOCONDUCTORS WITH AN ALKALINE MEDIUM TO REDUCE OPACITY