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.

Date of Patent:
Jul. 21, 1998

Filed:

Jul. 15, 1996
Applicant:
Inventors:

Peter Willems, Stekene, BE;

Freddy Henderickx, Olen, BE;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430603 ; 430401 ; 430507 ; 430567 ; 430605 ; 430621 ; 430963 ; 430966 ;
Abstract

A silver halide photographic material for industrial radiography is disclosed comprising a film support and on one or both sides thereof at least one gelatino silver halide emulsion layer wherein each silver halide emulsion layer comprises as silver halide crystals silver chloride and/or silver chlorobromide crystals the amount of bromide therein being at most 25 mole %; has a gelatin to silver halide (expressed as silver nitrate) ratio from 2:10 to 6:10 and has an amount of silver halide corresponding to from 5 g to 15 g of silver per m.sup.2 and wherein said photographic material has been fore-hardened to such an extent that when it is immersed in demineralized water of 25.degree. C. for 3 minutes there is absorbed less than 2.5 g of water per gram of gelatin, characterized in that said silver chloride or silver chlorobromide emulsion crystals are chemically ripened in the presence of at least one sulphur compound and at least one gold compound, wherein gold is present in an amount from 0.01 to 1 .mu.mole per mole of silver halide, the molar ratio of sulphur to gold being less than 1.0.


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