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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.:

US 5998087 B1

PDFFull Text
Date of Patent:
Dec. 07, 1999

Filed:

Jan. 22, 1999

Photographic material containing a new hydrazide type

Applicant:
Inventors:

Johan Loccufier, Zwijnaarde, BE;

Stefaan Lingier, Ossenede, BE;

Sabine Emmers, Lommel, BE;

Jean-Marie Dewanckele, Drongen, BE;

Pierre De Clercq, Gent, BE;

Noel Hosten, Brugge, BE;

Dirk Van Haver, Sint-Niklaan, BE;

Assignee:

Agfa-Gevaert, N.V., Mortsel, BE;

Attorney:

Breiner & Breiner

Primary Examiner:

Janet Baxter

Assistant Examiner:

Amanda C Walke

Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430264 ; 430566 ; 430598 ; 544300 ; 546134 ; 546144 ; 546316 ;
Abstract

A silver halide photographic material is disclosed containing a new type of hydrazide compounds represented by following general formula I, the different symbols of which are defined in the description. ##STR1## In a preferred embodiment Q is chosen from pyridinium, quinolinium or isoquinolinium. In a most preferred embodiment Q is a pyridinium substituted on the N.sup.+ with a C.sub.5 to C.sub.8 alkyl group. The photographic material is preferably a graphic arts recording material. High gradation and excellent hard dot quality are obtained.

Find Patent Forward Citations

Loccufier, Johan. (1999). Photographic material containing a new hydrazide type (U.S. Patent No. 5998087). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5998087

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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