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).

  • Patent number: 5034303
    Abstract: 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: Grant
    Filed: June 16, 1989
    Date of Patent: July 23, 1991
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Charles D. DeBoer
  • Patent number: 5026678
    Abstract: 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: Grant
    Filed: October 31, 1990
    Date of Patent: June 25, 1991
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Derek D. Chapman
  • Patent number: 5026679
    Abstract: 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: Grant
    Filed: November 21, 1990
    Date of Patent: June 25, 1991
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Derek D. Chapman
  • Patent number: 5024990
    Abstract: 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: Grant
    Filed: October 31, 1990
    Date of Patent: June 18, 1991
    Assignee: Eastman Kodak Company
    Inventors: Derek D. Chapman, Steven Evans
  • Patent number: 5023229
    Abstract: 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: Grant
    Filed: October 31, 1990
    Date of Patent: June 11, 1991
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Derek D. Chapman
  • Patent number: 5019480
    Abstract: 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: Grant
    Filed: June 16, 1989
    Date of Patent: May 28, 1991
    Assignee: Eastman Kodak Company
    Inventors: Charles D. DeBoer, Steven Evans
  • Patent number: 4988665
    Abstract: 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: Grant
    Filed: May 18, 1989
    Date of Patent: January 29, 1991
    Assignee: Eastman Kodak Company
    Inventors: Helmut Weber, Steven Evans
  • Patent number: 4975410
    Abstract: 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: Grant
    Filed: May 26, 1989
    Date of Patent: December 4, 1990
    Assignee: Eastman Kodak Company
    Inventors: Helmut Weber, Steven Evans
  • Patent number: 4950639
    Abstract: 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: Grant
    Filed: June 16, 1989
    Date of Patent: August 21, 1990
    Assignee: Eastman Kodak Company
    Inventors: Charles D. DeBoer, Steven Evans
  • Patent number: 4950640
    Abstract: 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: Grant
    Filed: June 16, 1989
    Date of Patent: August 21, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Charles D. DeBoer
  • Patent number: 4948777
    Abstract: 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(chalcogenopyrylo)polymethine dye. In a preferred embodiment, the bis(chalcogenopyrylo)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 to form a 5- to 7-membered substituted or unsubstituted carboxyclic or heterocyclic ring; or R.sup.1 may be joined to Z.sup.1 to form a fused 5- or 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; or R.sup.3 may be joined to Z.sup.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: August 14, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Charles D. DeBoer
  • Patent number: 4948776
    Abstract: 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 chalcogenopyrylo-arylidene dye. In a preferred embodiment, the chalcogenopyrylo-arylidene dye has the following formula: ##STR1## wherein: R.sup.1 and R.sup.2 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 R.sup.1 and R.sup.2 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.3 and R.sup.6 each independently represents R.sup.1 or the atoms necessary to complete a 5- to 7-membered fused substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.4 and R.sup.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: August 14, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Charles D. DeBoer
  • Patent number: 4946825
    Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye having the formula ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms;R.sup.2 represents a substituted or unsubstituted alkoxy group having from 1 to about 10 carbon atoms; a substituted or unsubstituted aryloxy group having from about 6 to about 10 carbon atoms; NHR.sup.6 ; NR.sup.6 R.sup.7 or the atoms necessary to complete a 6-membered ring fused to the benzene ring;R.sup.3 and R.sup.4 each represents R.sup.1 ; or R.sup.3 and R.sup.4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring; or either or both of R.sup.3 and R.sup.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: August 7, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber
  • Patent number: 4942141
    Abstract: 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 squarylium dye. In a preferred embodiment, the squarylium dye has the following formula: ##STR1## wherein: R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represents hydrogen, hydroxy, 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.1, R.sup.2, R.sup.3 or R.sup.4 groups may be combined with R.sup.5, R.sup.6, R.sup.7 or R.sup.8 or with each other to form a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.5, R.sup.6, R.sup.7 and R.sup.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: July 17, 1990
    Assignee: Eastman Kodak Company
    Inventors: Charles D. DeBoer, Steven Evans
  • Patent number: 4933226
    Abstract: A thermal print element comprising a support having thereon a layer containing a thermally-transferred dye image, the dye image comprising a magenta dye having the following formula: ##STR1## wherein: wherein R.sup.1 and R.sup.2 are each independently hydrogen or a substituted or unsubstituted alkyl, cycloalkyl, or aryl group, or may be joined together to form a 5- or 6-membered, substituted or unsubstituted, heterocyclic ring system;R.sup.3 is a substituted or unsubstituted aryl group having from about 6 to about 10 carbon atoms;R.sup.4 represents at least one electron withdrawing group; ##STR2## R.sup.5 is hydrogen, alkoxycarbonyl, cyano, halogen, carbamoyl, acyl, alkylsulfonyl, arylsulfonyl, sulfamoyl or alkyl, or may represent the atoms necessary to join with R.sup.
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: June 12, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber
  • Patent number: 4891353
    Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye comprising a thiazolylmethylene-3,5-pyrazolidinedione. In a preferred embodiment, the dye has 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 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms, a substituted or unsubstituted aryl or hetaryl group having from about 2 to about 10 carbon atoms, or R.sup.1 and R.sup.2 can be joined together to form, along with the nitrogens to which they are attached, a 5- or 6-membered heterocyclic ring;R.sup.3 and R.sup.4 each represents R.sup.1 and R.sup.2, respectively, with the proviso that only one of R.sup.3 and R.sup.4 may be hydrogen; andR.sup.5 and R.sup.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: January 2, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber
  • Patent number: 4891354
    Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye comprising a thiazolylmethylene-2-pyrazoline-5-one. In a preferred embodiment, the dye has the formula: ##STR1## wherein R.sup.1 represents hydrogen, a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms, or a substituted or unsubstituted aryl or hetaryl group having from about 2 to about 10 carbon atoms;R.sup.2 represents an alkoxy group having from 1 to about 10 carbon atoms or a primary, secondary or tertiary amino group;R.sup.3 and R.sup.4 each represents R.sup.1, with the proviso that only one of R.sup.3 and R.sup.4 may be hydrogen, or R.sup.3 and R.sup.4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring;R.sup.5 and R.sup.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: January 2, 1990
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber
  • Patent number: 4866029
    Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye having the formula: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms;R.sup.2 represents a substituted or unsubstituted alkoxy group having from 1 to about 10 carbon atoms; a substituted or unsubstituted aryloxy group having from about 6 to about 10 carbon atoms; NHR.sup.6 ; NR.sup.6 R.sup.7 or the atoms necessary to complete a 6-membered ring fused to the benzene ring;R.sup.3 and R.sup.4 each represents R.sup.1 ; or R.sup.3 and R.sup.4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring;R.sup.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: September 12, 1989
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber
  • Patent number: 4853366
    Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dipersed in a polymeric binder, the dye having the formula: ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms, a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms;R.sup.3 and R.sup.4 each represents R.sup.1 ; or either or both of R.sup.3 and R.sup.4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R.sup.3 and R.sup.4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring;R.sup.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: August 1, 1989
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber, Donald R. Diehl
  • Patent number: 4839336
    Abstract: A dye-donor element for thermal dye transfer comprises a support having thereon a dye dispersed in a polymeric binder, the dye having the formula: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having from 1 to about 10 carbon atoms; a cycloalkyl group having from about 5 to about 7 carbon atoms or an aryl group having from about 6 to about 10 carbon atoms;R.sup.2 represents a substituted or unsubstituted alkoxy group having from 1 to about 10 carbon atoms; a substituted or unsubstituted aryloxy group having from about 6 to about 10 carbon atoms; NHR.sup.5 ; or NR.sup.5 R.sup.6 ;R.sup.3 and R.sup.4 each represents R.sup.1 ; or either or both of R.sup.3 and R.sup.4 can be joined to the carbon atom of the aromatic ring at a position ortho to the position of attachment of the anilino nitrogen to form a 5- or 6-membered ring; or R.sup.3 and R.sup.4 can be joined together to form, along with the nitrogen to which they are attached, a 5- or 6-membered heterocyclic ring;R.sup.5 and R.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: June 13, 1989
    Assignee: Eastman Kodak Company
    Inventors: Steven Evans, Helmut Weber