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:
Jan. 16, 1990
Filed:
Mar. 03, 1988
Applicant:
Inventors:
Wolfgang Himmelmann, Leverkusen, DE;
Johannes Sobel, Leverkusen, DE;
Hans hlschlager, Bergisch Gladbach, DE;
Karl-Wilhem Schranz, Odenthal-Hahnenberg, DE;
Assignee:
Agfa-Gevaert Aktiengessellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430622 ; 430623 ; 530354 ;
Abstract
Water soluble sulphates of a heteroaromatic bis- or poly-sulphone are suitable for use as hardeners for proteinaceous binders, in particular in photographic layers.