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:
Aug. 09, 1988
Filed:
Oct. 20, 1987
Applicant:
Inventors:
Guter Helling, Odenthal, DE;
Helmut Reiff, Leverkusen, DE;
Friedrich-Wilhelm Kunitz, Leverkusen, DE;
Assignee:
Agfa-Gevaert AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430548 ; 430215 ; 430223 ; 430551 ; 430559 ; 430627 ; 430630 ; 430566 ; 430955 ; 430957 ;
Abstract
Photographically useful compounds, i.e. in the present context compounds which, under development conditions, chemically react imagewise, after imagewise exposure, to produce desired reaction products in imagewise distribution, may be incorporated in the layers of photographic recording materials in the form of aqueous dispersions of polyurea or polyurethane compounds containing recurring structural units corresponding to the following formula: