Patents by Inventor Steven Evans
Steven Evans has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5079213Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye comprising a magenta pyrazolylazoaniline dye having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen, a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or an allyl group, with the proviso that R.sup.1 and R.sup.2 may not both be hydrogen at the same time;or R.sup.1 may be joined together with X to complete a 5- to 6-membered heterocyclic ring;X represents hydrogen, R.sup.5, or OR.sup.5, or can be joined together with R.sup.1 as described above;Y represents hydrogen, R.sup.6, OR.sup.6, halogen, or NHJR.sup.6 ;J represents --CO--, --CO.sub.2 --, --SO.sub.2 --, or --CONR.sup.4 --;R.sup.3 represents a substituted or unsubstituted alkyl or allyl group as described above for R.sup.1 and R.sup.2 ; or a substituted or unsubstituted aryl or hetaryl group of from 5 to about 10 atoms;each R.sup.Type: GrantFiled: March 28, 1991Date of Patent: January 7, 1992Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5061676Abstract: A magenta dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of a yellow dye and a magenta dye dispersed in a polymeric binder, the magenta dye having the formula: ##STR1## wherein: R.sup.1 is hydrogen or a substituted or unsubstituted alkyl or allyl group of from 1 to about 6 carbon atoms, with the proviso that R.sup.1 is hydrogen when X is alkoxy;X is R.sup.1, an alkoxy group of from 1 to about 4 carbon atoms or taken together with R.sup.2 represents the atoms which form a 5- or 6-membered heterocyclic ring;R.sup.2 is a substituted or unsubstituted alkyl or allyl group of from 1 to about 6 carbon atoms or can be combined with X as described above; R.sup.3 is a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms or a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms;J is CO, CO.sub.2, --SO.sub.2 -- or CONR.sup.5 --;R.sup.Type: GrantFiled: November 21, 1990Date of Patent: October 29, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5055379Abstract: A negative-working photoresist composition comprising, in admixture, (a) dye-loaded or dye-precursor-loaded polymeric particles individually covered with a layer of gelatin that is covalently bonded thereto and (b) a radiation-sensitive dichromate is useful in the preparation of continuous tone dyed imaging elements such as color filter arrays for use in solid state color image sensing devices.Type: GrantFiled: March 19, 1990Date of Patent: October 8, 1991Assignee: Eastman Kodak CompanyInventors: Pranab Bagchi, Raymond F. Reithel, Tsang J. Chen, Steven Evans
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Patent number: 5045524Abstract: A yellow dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of the yellow dyes having the formula: ##STR1## wherein: each R.sup.1 independently represents a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms, a cycloalkyl group of from about 5 to about 7 carbon atoms; a substituted or unsubstituted allyl group; an aryl group of from about 6 to about 10 carbon atoms; a hetaryl group of from 5 to 10 atoms; acyl; arylsulfonyl; aminocarbonyl; aminosulfonyl; fluorosulfonyl; halogen; nitro; alkylthio; or arylthio;or any two adjacent R.sup.1 's together represent the atoms necessary to form a 5- or 6-membered fused ring;n represents an integer from 0-4;R.sup.2 represents hydrogen; a substituted or unsubstituted alkyl, cycloalkyl, allyl, aryl or hetaryl group as described above for R.sup.Type: GrantFiled: December 14, 1990Date of Patent: September 3, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5043317Abstract: A yellow dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of the yellow dyes having the formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted cycloalkyl group of from about 5 to about 7 carbon atoms; an allyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted hetaryl group of from about 5 to about 10 atoms;R.sup.2 is any of the groups for R.sup.1 or represents the atoms which when taken together with Z form a 5- or 6-membered ring;Z is hydrogen; any of the groups for R.sup.1 ; alkoxy; halogen; aryloxy; or represents the atoms which when taken together with R.sup.2 forms a 5- or 6-membered ring;each Y independently represents any of the groups for R.sup.Type: GrantFiled: December 14, 1990Date of Patent: August 27, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5041412Abstract: A yellow dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of the yellow dyes having the formula: ##STR1##Type: GrantFiled: December 14, 1990Date of Patent: August 20, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5041413Abstract: A yellow dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of the yellow dyes having the formula: ##STR1## wherein: each R.sup.1 independently represents a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms, a cycloalkyl group of from about 5 to about 7 carbon atoms; a substituted or unsubstituted allyl group; an aryl group of from about 6 to about 10 carbon atoms; a hetaryl group of from 5 to 10 atoms; acyl; arylsulfonyl; aminocarbonyl; aminosulfonyl; fluorosulfonyl; halogen; nitro; alkylthio; or arylthio;or any two adjacent R.sup.1 's together represent the atoms necessary to form a 5- or 6-membered fused ring;n represents an integer from 0-4;R.sup.2 represents hydrogen; a substituted or unsubstituted alkyl, cycloalkyl, allyl, aryl or hetaryl group as described above for R.sup.Type: GrantFiled: December 14, 1990Date of Patent: August 20, 1991Assignee: Eastman Kodak CompanyInventors: Steven Evans, Derek D. Chapman
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Patent number: 5041411Abstract: A yellow dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of the yellow dyes having the formula: ##STR1##Type: GrantFiled: December 14, 1990Date of Patent: August 20, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5037799Abstract: A yellow dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least one of the yellow dyes having the formula: ##STR1## wherein: R.sup.1 represents hydrogen or halogen;each R.sup.2 independently represents hydroxy, alkoxy, aryloxy, acyloxy, aminocarbonyl, carbamoyloxy, halogen, aryl, hetaryl, cyano, acylamido, alkoxycarbonyl, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, alkylsulfonamido or arylsulfonamido; or any two adjacent R.sup.2 's together represent the atoms necessary to complete a 5- or 6-membered fused saturated or aromatic ring;Y represents H or OH; andn is an integer from 0 to 4;or any two adjacent R.sup.1 's together represent the atoms necessary to form a 5- or 6-membered fused ring;n represents an integer from 0-4; and at least one of the other of the dyes having the formula: ##STR2## wherein: R.sup.3 and R.sup.Type: GrantFiled: December 14, 1990Date of Patent: August 6, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5035977Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an oxonol dye. In a preferred embodiment, the oxonol dye has the following formula: ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, carbamoyl, sulfonyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R.sup.1, R.sup.2 and R.sup.3 groups may be joined together to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; or either R.sup.1 or R.sup.2 may be joined to R.sup.4 or R.sup.6 to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; or R.sup.2 or R.sup.3 may be joined to R.sup.5 or R.sup.Type: GrantFiled: June 16, 1989Date of Patent: July 30, 1991Assignee: Eastman Kodak CompanyInventors: Charles D. DeBoer, Steven Evans
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Patent number: 5034303Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a trinuclear cyanine dye. In a preferred embodiment, the trinuclear cyanine dye has the following formula: ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 each independently represents a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms;R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group;or any of said R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 groups may be combined with R.sup.1, R.sup.2 or R.sup.Type: GrantFiled: June 16, 1989Date of Patent: July 23, 1991Assignee: Eastman Kodak CompanyInventors: Steven Evans, Charles D. DeBoer
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Patent number: 5026678Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye comprising a pyridoneindoaniline dye having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen; a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms; a substituted or unsubstituted cycloalkyl group having from about 5 to about 7 carbon atoms; a substituted or unsubstituted allyl group; a substituted or unsubstituted aryl group having from about 6 to about 10 carbon atoms; or a substituted or unsubstituted hetaryl group; orR.sup.1 and R.sup.2 can be joined together to form, along with the nitrogen to which they are attached, a 5- to 7-membered heterocyclic ring; oreither or both of R.sup.1 and R.sup.2 can be combined with R.sup.3 to form a 5- to 7-membered heterocyclic ring;each R.sup.Type: GrantFiled: October 31, 1990Date of Patent: June 25, 1991Assignee: Eastman Kodak CompanyInventors: Steven Evans, Derek D. Chapman
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Patent number: 5026679Abstract: A cyan dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the other of the dyes having the formula: ##STR2##Type: GrantFiled: November 21, 1990Date of Patent: June 25, 1991Assignee: Eastman Kodak CompanyInventors: Steven Evans, Derek D. Chapman
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Patent number: 5024990Abstract: A cyan dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the other of the dyes having the formula: ##STR2##Type: GrantFiled: October 31, 1990Date of Patent: June 18, 1991Assignee: Eastman Kodak CompanyInventors: Derek D. Chapman, Steven Evans
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Patent number: 5023229Abstract: A magenta dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of a yellow dye and a magenta dye dispersed in a polymeric binder, the magenta dye having the formula: ##STR1## wherein: R.sup.1 is a substituted or unsubstituted alkyl or allyl group of from 1 to about 6 carbon atoms;X is an alkoxy group of from 1 to about 4 carbon atoms or represents the atoms which when taken together with R.sup.2 forms a 5- or 6-membered ring;R.sup.2 is any of the groups for R.sup.1 or represents the atoms which when taken together with X forms a 5- or 6-membered ring;R.sup.3 is a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms, or a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms;J is CO, CO.sub.2, --SO.sub.2 -- or CONR.sup.5 --;R.sup.Type: GrantFiled: October 31, 1990Date of Patent: June 11, 1991Assignee: Eastman Kodak CompanyInventors: Steven Evans, Derek D. Chapman
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Patent number: 5019480Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an indene-bridged-polymethine dye. In a preferred embodiment, the indene-bridged-polymethine dye has the following formula: ##STR1## wherein: R represents a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms; R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryly group; or any two of said R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.Type: GrantFiled: June 16, 1989Date of Patent: May 28, 1991Assignee: Eastman Kodak CompanyInventors: Charles D. DeBoer, Steven Evans
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Patent number: 4988665Abstract: A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a receiving layer, one of the colorants being a phenyl or thienyl azoaniline blue dye. In a preferred embodiment, the dye has the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each independently represents hdyrogen; a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; or a substituted or unsubstituted aryl or hetaryl group of from about 6 to about 10 carbon atoms;R.sup.3 represents hydrogen or a substituted or unsubstituted alkyl or alkoxy group of from 1 to about 10 carbon atoms;R.sup.2 may be taken together with R.sup.1 to form a 5- or 6-membered ring;R.sup.1 or R.sup.2 may be combined with R.sup.Type: GrantFiled: May 18, 1989Date of Patent: January 29, 1991Assignee: Eastman Kodak CompanyInventors: Helmut Weber, Steven Evans
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Patent number: 4975410Abstract: A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transparent image comprising a repeating mosaic pattern of colorants in a receiving layer, one of the colorants being a mixture of a yellow dye and a cyan dye to form a green hue, said yellow dye having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 represents hydrogen, alkyl, cycloalkyl, aryl or hetaryl; or can be taken together to form a 5- or 6-membered ring; or either or both of R.sup.1 and R.sup.2 can be joined to a carbon atom of the aromatic ring to form a 5- or 6-membered ring;R.sup.3 represents hydrogen or halogen:Y represents hydrogen, halogen, cyano, alkyl, alkoxy, aryl, hetaryl, aryloxy, acylamido, alkylsulfonamido, or arylsulfonamido; andn is a positive integer from 1 to 5; andsaid cyan dye having the formula: ##STR2## wherein R.sup.4 R.sup.5 represents hydrogen, alkyl, cycloalkyl, aryl or hetaryl;R.sup.6 represents hydrogen, alkyl or alkoxy;R.sup.5 may be taken together with R.sup.Type: GrantFiled: May 26, 1989Date of Patent: December 4, 1990Assignee: Eastman Kodak CompanyInventors: Helmut Weber, Steven Evans
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Infrared absorbing merocyanine dyes for dye-donor element used in laser-induced thermal dye transfer
Patent number: 4950640Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a merocyanine dye. In a preferred embodiment, the merocyanine dye has the following formula: ##STR1## wherein R represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or a substituted or unsubstituted aryl or hetaryl group having from about 5 to about 10 atoms;R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R, R.sup.1,R.sup.2, R.sup.3 and R.sup.Type: GrantFiled: June 16, 1989Date of Patent: August 21, 1990Assignee: Eastman Kodak CompanyInventors: Steven Evans, Charles D. DeBoer -
Patent number: 4950639Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a bis(aminoaryl)polymethine dye. In a preferred embodiment, the bis(aminoaryl)polymethine dye has the following formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R.sup.1, R.sup.2 and R.sup.3 groups may be joined together or with an adjacent aromatic ring to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.4, R.sup.5, R.sup.6 and R.sup.Type: GrantFiled: June 16, 1989Date of Patent: August 21, 1990Assignee: Eastman Kodak CompanyInventors: Charles D. DeBoer, Steven Evans