Patents by Inventor Thomas L. Penner
Thomas L. Penner 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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Publication number: 20080241266Abstract: There are disclosed colloids containing polymer-modified core-shell particle carrier. The described colloids containing core-shell nanoparticulate carrier particles wherein the shell contains a polymer having amine functionalities. The described carrier particles are stable under physiological conditions. The carriers can be bioconjugated with biological, pharmaceutical or diagnostic components.Type: ApplicationFiled: October 31, 2007Publication date: October 2, 2008Inventors: Joseph F. Bringley, John W. Harder, Thomas L. Penner, Tiecheng A. Qiao, Ruizheng Wang
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Patent number: 6908730Abstract: This invention relates to a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith: (a) a first dye (Dye 1) that is a cyanine dye capable of spectrally sensitizing a silver halide emulsion and that has at least one anionic substituent; and (b) a second dye (Dye 2) that is not a cyanine dye and that has at least one cationic substituent. Dye 2 has a log P, excluding any counterion, of less than 4.00 and greater than 1.00 or Dye 2 is represented by a dye of formula II as described herein.Type: GrantFiled: January 17, 2003Date of Patent: June 21, 2005Assignee: Eastman Kodak CompanyInventors: Richard L. Parton, Thomas L. Penner, David R. Foster, Stephen A. Hershey
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Patent number: 6815078Abstract: A gelatin-based substrate for fabricating protein arrays, the substrate comprising: gelatin having at least one surface; a polymer scaffold affixed to the gelatin surface; wherein the polymer in the scaffold is rich in reactive units capable of immobilizing proteins.Type: GrantFiled: March 6, 2002Date of Patent: November 9, 2004Assignee: Eastman Kodak CompanyInventors: Tiecheng A. Qiao, Jeffrey W. Leon, Thomas L. Penner, Zhihao Yang
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Patent number: 6797393Abstract: A gelatin-based substrate for fabricating protein arrays, the substrate containing: gelatin and a trifunctional compound A—L—B; wherein A is a functional group capable of interacting with the gelatin; L is a linking group capable of interacting with A and with B; and B is a functional group capable of interacting with a protein capture agent. A may be the same or different from B.Type: GrantFiled: November 30, 2001Date of Patent: September 28, 2004Assignee: Eastman Kodak CompanyInventors: Tiecheng A. Qiao, Krishnan Chari, Thomas L. Penner, Zhihao Yang
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Publication number: 20040146818Abstract: This invention relates to a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith:Type: ApplicationFiled: January 17, 2003Publication date: July 29, 2004Inventors: Richard L. Parton, Thomas L. Penner, David R. Foster, Stephen A. Hershey
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Publication number: 20030170474Abstract: A gelatin-based substrate for fabricating protein arrays, the substrate comprising:Type: ApplicationFiled: March 6, 2002Publication date: September 11, 2003Applicant: Eastman Kodak CompanyInventors: Tiecheng A. Qiao, Jeffrey W. Leon, Thomas L. Penner, Zhihao Yang
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Publication number: 20030138649Abstract: A gelatin-based substrate for fabricating protein arrays, the substrate containing: gelatin and a trifunctional compound A-L-B; wherein A is a functional group capable of interacting with the gelatin; L is a linking group capable of interacting with A and with B; and B is a functional group capable of interacting with a protein capture agent. A may be the same or different from B.Type: ApplicationFiled: November 30, 2001Publication date: July 24, 2003Inventors: Tiecheng A. Qiao, Krishnan Chari, Thomas L. Penner, Zhihao Yang
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Patent number: 6558893Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith a combination of two or more dyes comprising: (a) a first dye which is a cyanine dye of formula Ia and has a net charge of zero or −1 wherein the substituents are as defined in the specification; (b) a second dye which has at least one substituent that has a positive charge, and is a cyanine dye a merocyanine dye, arylidene dye, complex cyanine dye, complex merocyanine dye, homopolar cyanine dye, hemicyanine dye, styryl dye, hemioxonol dye, oxonol dye, anthraquinone dye, triphenylmethane dye, azo dye type, azomethines, or a coumarin dye, with the proviso that if the second dye is a cyanine dye, it is of formula IIa: wherein the substituents are as defined in the specification; and wherein (c) the wavelength of maximum light absorption, in nanometers (nm), of the first dye and the waveleType: GrantFiled: November 17, 2000Date of Patent: May 6, 2003Assignee: Eastman Kodak CompanyInventors: Richard L. Parton, Andrei Andrievsky, Thomas L. Penner, William J. Harrison
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Publication number: 20020112642Abstract: An ink jet ink composition comprising water, a dye, a humectant, an organic solvent and a deflection-enhancing additive comprising a diethanolamine or 1-amino-2-propanol.Type: ApplicationFiled: December 21, 2000Publication date: August 22, 2002Applicant: Eastman Kodak CompanyInventors: Ravi Sharma, Thomas L. Penner, Charles E. Romano, Gregory J. Garbacz, Vincent E. Hamilton-Winbush, James M. Chwalek
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Patent number: 6364456Abstract: A nozzle plate for an ink jet printhead, the nozzle plate having the following layers in the order recited: a) a first monomolecular layer of an organic material having first and second functional groups, the first functional group of the first monomolecular layer being bound to the surface of the nozzle plate, and the second functional group of the first monomolecular layer being bound to a second monomolecular layer, and b) the second monomolecular layer of an organic material having first and second functional groups, the first functional group of the second monomolecular layer being bound to the second functional group of the first monomolecular layer, and the second functional group of the second monomolecular layer is an anti-wetting group.Type: GrantFiled: December 22, 1999Date of Patent: April 2, 2002Assignee: Eastman Kodak CompanyInventors: Zhihao Yang, Ravi Sharma, Thomas L. Penner
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Patent number: 6361932Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver halide grain and comprising at least one dye, Dye 1, that is capable of spectrally sensitizing silver halide and (b) an outer dye layer adjacent to the inner dye layer and comprising at least one dye, Dye 2, wherein Dye 2 is other than a cyanine dye, wherein the dye layers are held together by non-covalent forces; the outer dye layer adsorbs light at equal or higher energy than the inner dye layer; and the energy emission wavelength of the outer dye layer overlaps with the energy absorption wavelength of the inner dye layer.Type: GrantFiled: September 11, 1998Date of Patent: March 26, 2002Assignee: Eastman Kodak CompanyInventors: Richard L. Parton, Thomas L. Penner, William J. Harrison, Margaret J. Helber
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Patent number: 6361156Abstract: An ink jet printing process comprising the steps of; a) providing an ink jet printer in which a continuous stream of ink jet ink is emitted from a nozzle that is responsive to digital data signals; b) loading the printer with an ink jet recording element; c) loading the printer with an aqueous inkjet ink comprising water, a dye, a humectant, an organic solvent and a deflection-enhancing additive comprising a diethanolamine or 1-amino-2-propanol; and d) ejecting ink from a thermally-steered continuous ink jet print head onto one of the ink jet recording elements in response to the digital data signals.Type: GrantFiled: December 21, 2000Date of Patent: March 26, 2002Assignee: Eastman Kodak CompanyInventors: Charles E. Romano, Jr., Vincent E. Hamilton-Winbush, Gregory J. Garbacz, Thomas L. Penner, Ravi Sharma, James M. Chwalek
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Patent number: 6345881Abstract: A method for treating a metallic oxide or metallic nitride ink jet printhead nozzle plate comprising stamping the front surface thereof with an anti-wetting agent using an elastomeric stamp.Type: GrantFiled: September 29, 1999Date of Patent: February 12, 2002Assignee: Eastman Kodak CompanyInventors: Zhihao Yang, Yung-Rai Lee, Thomas L. Penner, Ravi Sharma
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Patent number: 6331385Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising tabular silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver halide grain and comprising at least one dye that is capable of spectrally sensitizing silver halide and (b) an outer dye layer adjacent to the inner dye layer and comprising at least one dye, wherein the dye layers are held together by non-covalent forces or by in situ bond formation; the outer dye layer adsorbs light at equal or higher energy than the inner dye layer; and the energy emission wavelength of the outer dye layer overlaps with the energy absorption wavelength of the inner dye layer.Type: GrantFiled: September 11, 1998Date of Patent: December 18, 2001Assignee: Eastman Kodak CompanyInventors: Joseph C. Deaton, Richard L. Parton, Thomas L. Penner, William J. Harrison, David E. Fenton
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Patent number: 6329133Abstract: This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith a combination of two or more dyes wherein (b) (a) a dye having at least one substituent that has a negative charge is present, a dye having at least one substituent that has a positive charge is present, wherein at least one of the dyes is further substituted with at least one hydrogen bonding donor substituent. In a preferred embodiment, at least one of the dyes is substituted with at least two hydrogen bonding donor substituents. In another preferred embodiment a silver halide photographic material comprises at least one silver halide emulsion comprising silver halide grains having associated therewith a dye substituted with at least one guanidinium, amidinium, or imine of urea substituent.Type: GrantFiled: September 13, 1999Date of Patent: December 11, 2001Assignee: Eastman Kodak CompanyInventors: Andrei Andrievsky, Richard L. Parton, Thomas L. Penner, William J. Harrison
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Patent number: 6325490Abstract: An ink jet nozzle plate is provided comprising an outer surface having a self-assembled monolayer thereon comprising a mixture of at least one hydrophobic compound and at least one ionic compound, which monolayer renders the outer surface non-wetting with respect to aqueous ink solutions. In accordance with preferred embodiments, the self-assembled monolayers comprises a mixture of hydrophobic alkyl thiols and charged alkyl thiols. An advantage of coatings in accordance with the invention is that they provide improved non-wetting characteristics after contact with ink.Type: GrantFiled: December 31, 1998Date of Patent: December 4, 2001Assignee: Eastman Kodak CompanyInventors: Zhihao Yang, Thomas L. Penner, Ravi Sharma
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Patent number: 6312883Abstract: A silver halide photographic material comprises at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dyes: (a) a first dye that has at least one anionic substituent and that is capable of spectrally sensitizing a silver halide emulsion; and (b) a second dye of formula II wherein: R1 is a substituted or unsubstituted alkyl or aryl group; E3 represents the atoms necessary to complete a substituted or unsubstituted 5- or 6-membered heterocyclic nucleus; Ar1 represents an electron-withdrawing substituted aryl, or a substituted or unsubstituted electron-withdrawing heteroaryl group; L11 through L14 are substituted or unsubstituted methine groups; s is 0 or 1; G1 is an electron-withdrawing group; G2 is O or dicyanovinyl (C(CN)2); W1 is a counterion if necessary.Type: GrantFiled: June 22, 2000Date of Patent: November 6, 2001Assignee: Eastman Kodak CompanyInventors: Richard L. Parton, Thomas L. Penner, Stephen A. Hershey
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Patent number: 6296344Abstract: A method for replenishing fouled coatings on a nozzle plate for an ink jet printhead, the nozzle plate comprising the following layers in the order recited: i) a first monomolecular layer of an organic material having first and second functional groups, the first functional group of the first monomolecular layer being bound to the surface of the nozzle plate, and the second functional group of the first monomolecular layer being bound to a second monomolecular layer, and ii) the second monomolecular layer of an organic material having first and second functional groups, the first functional group of the second monomolecular layer being bound to the second functional group of the first monomolecular layer, and the second functional group of the second monomolecular layer being an anti-wetting group, the second monomolecular layer having been fouled; the method comprising A) unbinding the first functional group of the fouled second monomolecular layer so that it is no longer bound to the second functional groupType: GrantFiled: December 22, 1999Date of Patent: October 2, 2001Assignee: Eastman Kodak CompanyInventors: Ravi Sharma, Zhihao Yang, Thomas L. Penner
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Patent number: 6193352Abstract: A method for cleaning an ink jet print head nozzle plate having an anti-wetting layer formed thereon, wherein an aqueous solution of a metal salt of a taurine surfactant is applied to the nozzle plate and then removed.Type: GrantFiled: December 3, 1998Date of Patent: February 27, 2001Assignee: Eastman Kodak CompanyInventors: Ravi Sharma, Vincent E. Hamilton-Winbush, Thomas L. Penner
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Patent number: 6165703Abstract: A silver halide color photographic material comprises at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dye layers comprising(a) an inner dye layer adjacent to the silver halide grain and comprising at least one dye, Dye 1, that is capable of spectrally sensitizing silver halide and(b) an outer dye layer adjacent to the inner dye layer and comprising at least one cyanine dye, Dye 2,wherein one of Dye 1 or Dye 2 has at least one anionic substituent and one of Dye 1 or Dye 2 has at least one cationic substituent and wherein the dye layers are held together by more than one non-covalent force; the outer dye layer adsorbs light at equal or higher energy than the inner dye layer; and the energy emission wavelength of the outer dye layer overlaps with the energy absorption wavelength of the inner dye layer.Type: GrantFiled: September 11, 1998Date of Patent: December 26, 2000Assignee: Eastman Kodak CompanyInventors: Richard L. Parton, Thomas L. Penner, Andrei Andrievsky, William J. Harrison