The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 1985
Filed:
Mar. 21, 1983
Karl-Friedrich Doessel, Wiesbaden, DE;
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
An electrophotographic recording material is described for preparing a printing form or a printed circuit, comprising a layer support and a photoconductive layer comprised of photoconductor, sensitizer and/or activator, if appropriate further additives which improve surface texture and/or adhesion and a high molecular weight binder which is soluble in an alkaline aqueous or alcoholic solution and the photoconductive layer of which recording material contains as binder the product of reacting a sulfonyl isocyanate of the general formula R--SO.sub.2 --NCO in which R is alkenyl having up to 4 carbon atoms or phenyl which can be substituted by alkyl having up to 3 carbon atoms, with a hydroxyl-containing polymer in a molar ratio within the range of (0.5 to 1):1.