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:
Nov. 23, 1999
Filed:
Sep. 10, 1998
Applicant:
Inventors:
Johan Loccufier, Zwijnaarde, BE;
Stefaan Lingier, Assenede, BE;
Paul Callant, Edegem, BE;
Sabine Emmers, Lommel, BE;
Assignee:
Agfa-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
430264 ; 430598 ; 564310 ; 564 81 ; 564148 ;
Abstract
A silver halide photographic material is disclosed containing a new type of hydrazide compound represented by following general formula I, the different symbols of which are defined in the description. ##STR1## In a preferred embodiment Q is pyridinium, substituted with a propargyllic group or butynyl group. The photographic material is preferably a graphic arts recording material. High gradation and excellent hard dot quality are obtained.
Quick Actions:
Loccufier, Johan. (1999). Photographic material containing a new hydrazide type (U.S. Patent No. 5989774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5989774
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile