US 5,686,236 AGranted

Photographic element containing new gold (I) compounds

AssigneeEastman Kodak Company

InventorsRoger Lok, Weimar Weatherly White

Life of this patent

Estimating the term…

Abstract

A photographic element comprising a support having situated thereon a silver halide emulsion layer, said emulsion layer comprising a compound of the formula: Z--SO.sub.2 S--Au(I)--SQ (I) wherein Z represents an alkyl, aryl, or heterocyclic group; and Q represents an aryl or heterocyclic group.

Claims2

Dependent claims

A compound of the formula:

Z--SO.sub.2 S--Au(I)--SQ (I)
wherein
Z represents an alkyl, aryl, or heterocyclic group;
and
Q represents an aryl or heterocyclic group.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/778,330Filed 2 Jan 1997 · division
Priority: 18 Mar 1996
Granted: 11 Nov 1997
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

G03C 1/09
Sensitivity-increasing substances: noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g.…
G03C 1/08
With non-macromolecular additives: sensitivity-increasing substances
G03C 2001/091
Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising: gold
G03C
Photosensitive materials for photographic purposes

Family

Serial616,978Parent of this continuation-in-part · filed 18 Mar 1996
Serial672,718Parent of this division · filed 28 Jun 1996
US 5,620,841 AParent of this division
US 5,686,236 AThis patent

From the US filing history. Foreign family members aren’t listed.

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