Organotellurium (II) and (IV) compounds in heat-developable imaging materials and process with physically developable nuclei

Claim 2

A heat developable, imaging element comprising a support having thereon in reactive association a. physically developable metal nuclei selected from the group consisting of chromium, iron, cobalt, nickel, copper, cadmium, selenium, palladium, silver, tin, tellurium, iridium, ruthenium, rhenium, platinum, gold and lead nuclei and combinations of said nuclei, b. an oxidation-reduction image-forming combination comprising i. an orgnotellurium (II) or (IV) compound as an oxidizing agent, and ii. a reducing agent, and c. a binder.

Claim 3

A heat developable, imaging element as in claim 1 wherein said tellurium compound is a coordination complex of tellurium (II) or (IV).

Claim 4

A heat developable, imaging element as in claim 1 wherein said tellurium compound is a coordination complex of tellurium (II) with two univalent bidentate sulfur-containing ligands.

Claim 5

A heat developable, imaging element as in claim 1 wherein said compound is selected from the group consisting of Te(S 2 COCH 3 ) 2 , Te(S 2 COC 2 H 5 ) 2 , Te(S 2 P(C 6 H 11 ) 2 ) 2 , Te(S 2 COC 10 H 21 ) 2 , Te(S 2 P(OC 6 H 5 ) 2 ) 2 , Te(S 2 P(OC 2 H 5 ) 2 ) 2 , Te(S 2 CN(C 2 H 5 ) 2 ) 2 , Te(S 2 CN(CH 2 C 6 H 5 ) 2 ) 2 , Te(p-CH 3 O-C 6 H 4 ) 2 , C 6 h 5 teTeC 6 H 5 , Te(p-CH 3 O-C 6 H 4 ) 3 Cl, Te(C 6 H 4 OCH 3 ) 2 Cl 2 , TeCl 2 (CH 2 C(O)-o-CH 3 O-C 6 H 4 ) 2 , TeBr 2 (CH 2 C 6 H 5 ) 2 , Te(S 2 COC 5 H 11 ) 2 , and Te(S 2 COCH(CH 3 ) 2 ) 2 .

Claim 6

A heat developable, imaging element as in claim 1 wherein said organotellurium (II) or (IV) compound consists essentially of Te[S 2 CN(C 2 H 5 ) 2 ] 2 or TeBr 2 (CH 2 C 6 H 5 ) 2 .

Claim 7

A heat developable, imaging element as in claim 1 wherein said reducing agent is an organic reducing agent selected from the group consisting of sulfonamidophenol, ascorbic acid, 3-pyrazolidone, hydroquinone, reductone and aminophenol reducing agents and combinations thereof.

Claim 8

A process of developing an image in a heat developable, imaging element as defined in claim 3 comprising heating said element to within the range of about 80° C. to about 220° C.

Claim 9

In a heat developable, imaging composition comprising a. physically developable metal nuclei, b. an oxidation-reduction image-forming combination comprising: i. a non-silver metal compound as an oxidizing agent, and ii. a reducing agent, and c. a binder, the improvement wherein said non-silver metal compound as an oxidizing agent consists essentially of an organotellurium (II) or (IV) compound.

Claim 10

In a heat developable, imaging composition comprising a. physically developable metal nuclei, b. an oxidation-reduction image-forming combination comprising: i. a non-silver metal compound as an oxidizing agent, and ii. a reducing agent, and c. a binder, the improvement wherein said non-silver metal compound as an oxidizing agent consists essentially of an organotellurium (II) or (IV) compound.

Claim 11

A heat developable, imaging composition as in claim 8 wherein said tellurium compound is a coordination complex of tellurium (II) or (IV).

Claim 12

A heat developable, imaging composition as in claim 8 wherein said tellurium compound is a coordination complex of tellurium (II) with two univalent bidentate sulfur-containing ligands.

Claim 13

A heat developable, imaging composition as in claim 8 wherein said tellurium compound is selected from the group consisting of Te(S 2 COCH 3 ) 2 , Te(S 2 COC 2 H 5 ) 2 , Te(S 2 P(C 6 H 11 ) 2 ) 2 , Te(S 2 COC 10 H 21 ) 2 , Te(S 2 P(OC 6 H 5 ) 2 ) 2 , Te(S 2 P(OC 2 H 5 ) 2 ) 2 , Te(S 2 CN(C 2 H 5 ) 2 ) 2 , Te(S 2 CN(CH 2 C 6 H 5 ) 2 ) 2 , Te(p-CH 3 O-C 6 H 4 ) 2 , C 6 h 5 teTeC 6 H 5 , Te(p-CH 3 O-C 6 H 4 ) 3 Cl, Te(C 6 H 4 OCH 3 ) 2 Cl 2 , TeCl 2 (CH 2 C(O)-o-CH 3 O-C 6 H 4 ) 2 , TeBr 2 (CH 2 C 6 H 5 ) 2 , Te(S 2 COC 5 H 11 ) 2 , and Te(S 2 COCH(CH 3 ) 2 ) 2 .

Claim 14

A heat developable, imaging composition as in claim 8 wherein said reducing agent is an organic reducing agent selected from the group consisting of sulfonamidophenol, ascorbic acid, 3-pyrazolidone, hydroquinone, reductone and aminophenol reducing agents and combinations thereof.

Claim 15

In a heat developable, imaging element comprising a support having thereon in reactive association a. physically developable metal nuclei, b. an oxidation-reduction image-forming combination comprising: i. a non-silver metal compound as an oxidizing agent, and ii. a reducing agent, and c. a binder, the improvement wherein said non-silver metal compound as an oxidizing agent consists essentially of an organotellurium (II) or (IV) compound.

Claim 16

In a heat developable, imaging element comprising a support having thereon in reactive association a. physically developable metal nuclei, b. an oxidation-reduction image-forming combination comprising: i. a non-silver metal compound as an oxidizing agent, and ii. a reducing agent, and c. a binder, the improvement wherein said non-silver metal compound as an oxidizing agent consists essentially of an organotellurium (II) or (IV) compound.

Claim 17

A process of developing an image in a heat developable, imaging element as defined in claim 13 wherein said tellurium compound is a coordination complex of tellurium (II) with two univalent bidentate sulfur-containing ligands, comprising heating said element to within the range of about 80° C. to about 220° C.

Claim 18

A heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium bis(diethyl dithiocarbamate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 19

A heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium bis(diethyl dithiocarbamate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 20

A heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium di(isopropyl xanthate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 21

A heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium di(isopropyl xanthate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 22

A heat developable, imaging composition comprising a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium bis(diethyl dithiocarbamate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 23

A heat developable, imaging composition comprising a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium bis(diethyl dithiocarbamate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 24

A heat developable, imaging composition comprising a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium di(isopropyl xanthate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 25

A heat developable, imaging composition comprising a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising: i. a tellurium di(isopropyl xanthate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder.

Claim 26

A process of developing an image in a heat developable, imaging element comprising a support having thereon, in reactive association, a. physically developable metal nuclei selected from the group consisting of copper, tellurium, palladium and silver nuclei and combinations of such nuclei, b. an oxidation-reduction image-forming combination comprising i. an organotellurium compound as an oxidizing agent and which is selected from the group consisting of Te(S 2 COCH 3 ) 2 , Te(S 2 COC 2 H 5 ) 2 , Te(S 2 P(C 6 H 11 ) 2 ) 2 , Te(S 2 COC 10 H 21 ) 2 , Te(S 2 P(OC 6 H 5 ) 2 ) 2 , Te(S 2 P(OC 2 H 5 ) 2 ) 2 , Te(S 2 CN(C 2 H 5 ) 2 ) 2 , Te(S 2 CN(CH 2 C 6 H 5 ) 2 ) 2 , Te(p-CH 3 O-C 6 H 4 ) 2 , C 6 h 5 teTeC 6 H 5 , Te(p-CH 3 O-C 6 H 4 ) 3 Cl, Te(C 6 H 4 OCH 3 ) 2 Cl 2 , TeCl 2 (CH 2 C(O)-o-CH 3 O-C 6 H 4 ) 2 , TeBr 2 (CH 2 C 6 H 5 ) 2 , Te(S 2 COC 5 H 11 ) 2 , and Te(S 2 COCH(CH 3 ) 2 ) 2 , ii. an organic reducing agent, and c. a polymeric binder, comprising heating said element to within the range of about 80° C. to about 220° C. for about 1 to about 30 seconds.

Claim 27

A process of developing an image in a heat developable, imaging element comprising a support having thereon, in reactive association, a. physically developable metal nuclei selected from the group consisting of copper, tellurium, palladium and silver nuclei and combinations of such nuclei, b. an oxidation-reduction image-forming combination comprising i. an organotellurium compound as an oxidizing agent and which is selected from the group consisting of Te(S 2 COCH 3 ) 2 , Te(S 2 COC 2 H 5 ) 2 , Te(S 2 P(C 6 H 11 ) 2 ) 2 , Te(S 2 COC 10 H 21 ) 2 , Te(S 2 P(OC 6 H 5 ) 2 ) 2 , Te(S 2 P(OC 2 H 5 ) 2 ) 2 , Te(S 2 CN(C 2 H 5 ) 2 ) 2 , Te(S 2 CN(CH 2 C 6 H 5 ) 2 ) 2 , Te(p-CH 3 O-C 6 H 4 ) 2 , C 6 h 5 teTeC 6 H 5 , Te(p-CH 3 O-C 6 H 4 ) 3 Cl, Te(C 6 H 4 OCH 3 ) 2 Cl 2 , TeCl 2 (CH 2 C(O)-o-CH 3 O-C 6 H 4 ) 2 , TeBr 2 (CH 2 C 6 H 5 ) 2 , Te(S 2 COC 5 H 11 ) 2 , and Te(S 2 COCH(CH 3 ) 2 ) 2 , ii. an organic reducing agent, and c. a polymeric binder, comprising heating said element to within the range of about 80° C. to about 220° C. for about 1 to about 30 seconds.

Claim 28

A process of developing an image in a heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising i. a tellurium bis(diethyl dithiocarbamate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder, comprising heating said element to within the range of about 100° C. to about 170° C. for about 1 to about 10 seconds.

Claim 29

A process of developing an image in a heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising i. a tellurium bis(diethyl dithiocarbamate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder, comprising heating said element to within the range of about 100° C. to about 170° C. for about 1 to about 10 seconds.

Claim 30

A process of developing an image in a heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising i. a tellurium di(isopropyl xanthate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder, comprising heating said element to within the range of about 100° C. to about 170° C. for about 1 to about 10 seconds.

Claim 31

A process of developing an image in a heat developable, imaging element comprising a support having thereon in reactive association a. physically developable silver nuclei, b. an oxidation-reduction image-forming combination comprising i. a tellurium di(isopropyl xanthate) oxidizing agent, and ii. a pyrazolidone reducing agent, and c. a polymeric binder, comprising heating said element to within the range of about 100° C. to about 170° C. for about 1 to about 10 seconds.