Patents by Inventor Stephen A. Godleski
Stephen A. Godleski 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: 6995287Abstract: Disclosed is a process comprising reacting a primary alcohol sulfone with a reducing agent and a halogenating agent in the presence of an amide compound present in an amount of less than 1 part amide per part of primary alcohol sulfone to form a vinylsulfone.Type: GrantFiled: March 3, 2005Date of Patent: February 7, 2006Assignee: Eastman Kodak CompanyInventors: Charles W. Wright, James J. Seifert, Stephen A. Godleski, Marshall L. Vandewalle, Paul P. Spara
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Publication number: 20050148798Abstract: Disclosed is a process comprising reacting a primary alcohol sulfone with a reducing agent and a halogenating agent in the presence of an amide compound present in an amount of less than 1 part amide per part of primary alcohol sulfone to form a vinylsulfone.Type: ApplicationFiled: March 3, 2005Publication date: July 7, 2005Inventors: Charles Wright, James Seifert, Stephen Godleski, Marshall Vandewalle, Paul Spara
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Patent number: 6498004Abstract: This invention provides a photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula (a): &Dgr;−(t)m−XY′ (a) XY′−(t)m−&Dgr; (b) &Dgr;−(t)m−XY′−(t)m−&Dgr; (c) wherein &Dgr; is protective group that is eliminated during development of the photographic element, t is a timing group, m is an integer from 0 to 3, and XY′ is a fragmentable electron donor moiety in which X is an electron donor group and Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a proton, a base, &bgr;−, is present in the emulsion or is covalently linked directly or indirectly to X, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.Type: GrantFiled: December 28, 2000Date of Patent: December 24, 2002Assignee: Eastman Kodak CompanyInventors: Jerome R. Lenhard, Annabel A. Muenter, Stephen A. Godleski, Paul A. Zielinski, Deepak Shukla, Donald R. Diehl
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Patent number: 6306570Abstract: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein: 1) XY has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y. In a preferred embodiment of the invention, the radical X• has an oxidation potential ≦−0.7 V.Type: GrantFiled: March 27, 2000Date of Patent: October 23, 2001Assignee: Eastman Kodak CompanyInventors: Anthony Adin, Jerome J. Looker, Samir Y. Farid, Ian R. Gould, Stephen A. Godleski, Jerome R. Lenhard, Annabel A. Muenter, Lal C. Vishwakarma, Paul A. Zielinski
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Patent number: 6153371Abstract: This invention comprises a photographic element comprising a support and at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula:Q-XYwherein Q represents the atoms necessary to form a chromophore comprising an amidinium-ion, a carboxyl-ion or dipolar-amidic chromophoric system when conjugated with XY, and XY is a fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V;2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.cndot. has an oxidation potential <-0.7V.Type: GrantFiled: July 17, 1998Date of Patent: November 28, 2000Assignee: Eastman Kodak CompanyInventors: Samir Y. Farid, Ian R. Gould, Stephen A. Godleski, Jerome R. Lenhard, Annabel A. Muenter, Paul A. Zielinski
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Patent number: 6054260Abstract: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7 V.Type: GrantFiled: July 17, 1998Date of Patent: April 25, 2000Assignee: Eastman Kodak CompanyInventors: Anthony Adin, Jerome J. Looker, Samir Y. Farid, Ian R. Gould, Stephen A. Godleski, Jerome R. Lenhard, Annabel A. Muenter, Lal C. Vishwakarma, Paul A. Zielinski
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Patent number: 6040129Abstract: A photographic emulsion comprising dispersed in a binder sensitized silver halide grains wherein the emulsion is sensitized from an organometallic compound of formula:(R).sub.n (X).sub.m M (I)wherein M is a metal selected from the group consisting of lead, tin, boron, bismuth and thallium, each R is independently an alkyl group, a cycloalkyl group, an aryl group, a heterocyclic group, an alkenyl group or a alkynyl group, each X is independently halogen, hydroxy, or alkoxy, n is 1 to 4 and m is 0 to 3, with the proviso that when M is lead or tin, n is 1 to 4 and m+n is 4, when M is boron or bismuth, n is 1 to 3 and m+n is 3 and when M is thallium, either n is 1 and m is 0, or n is 1 to 3 and n+m is 3.Type: GrantFiled: April 9, 1999Date of Patent: March 21, 2000Assignee: Eastman Kodak CompanyInventors: Stephen A. Godleski, David A. Dickinson, Antony J. Williams
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Patent number: 6010841Abstract: A photographic element comprises at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of formulaZ-(L-XY).sub.kwherein:Z is a light absorbing group;L is a linking group containing a least one C, N, S, or O atom; andk is 1 or 2; andXY represents a fragmentable electron donor moiety wherein:1) XY has a an oxidation potential between 0 and about 1.4 V;2) X is an electron donor group;3) Y is a leaving group other than hydrogen; and4) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment the radical X.sup..cndot. has an oxidation potential of .ltoreq.-0.7 V.Type: GrantFiled: October 30, 1996Date of Patent: January 4, 2000Assignee: Eastman Kodak CompanyInventors: Samir Y. Farid, Jerome R. Lenhard, Chin H. Chen, Annabel A. Muenter, Ian R. Gould, Stephen A. Godleski, Paul A. Zielinski
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Patent number: 5994051Abstract: This invention comprises a photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula X--H, wherein X is an electron donor moiety to which a base, B.sup.-, is covalently linked and H is a leaving hydrogen atom, and wherein:1) X--H has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of X--H undergoes deprotonation reaction with the base B.sup.-, to give the radical X.sup..cndot. and the protonated base B-H.In a preferred embodiment of the invention, the radical X.cndot. has an oxidation potential <-0.7V.Type: GrantFiled: July 17, 1998Date of Patent: November 30, 1999Assignee: Eastman Kodak CompanyInventors: Ian R. Gould, Samir Farid, Stephen A. Godleski, Jerome R. Lenhard, Annabel A. Muenter, Paul A. Zielinski
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Patent number: 5747236Abstract: A photographic element comprises a support and at least one silver halide emulsion layer in which the silver halide is sensitized with a fragmentable electron donor of the formula X--Y, wherein X is an electron donor moiety and Y is a leaving group other than hydrogen, and wherein:1) X--Y has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of X--Y undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.Type: GrantFiled: October 30, 1996Date of Patent: May 5, 1998Assignee: Eastman Kodak CompanyInventors: Samir Y. Farid, Jerome R. Lenhard, Chin H. Chen, Annabel A. Muenter, Ian R. Gould, Stephen A. Godleski, Paul A. Zielinski, Charles H. Weidner
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Patent number: 5747235Abstract: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and L represents a linking group containing at least one C, N, S or O atom, k is 1 or 2, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1-4 V; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.Type: GrantFiled: October 30, 1996Date of Patent: May 5, 1998Assignee: Eastman Kodak CompanyInventors: Samir Y. Farid, Jerome R. Lenhard, Chin H. Chen, Annabel A. Muenter, Ian R. Gould, Stephen A. Godleski, Paul A. Zielinski
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Patent number: 5652328Abstract: Disclosed are novel polyether compounds obtained by the reaction or polymerization of 3,4-epoxy-1-butene in the presence of an onium iodide compound such as an ammonium or phosphonium iodide, an organotin compound such as a trihydrocarbyltin iodide, and a nucleophilic initiator compound. The polyether compounds comprise n units of residue (1) and m units of residue (2), wherein the total value of n+m is 2 to 70, m/(n+m) is greater than 0.75 and up to 0.Type: GrantFiled: August 17, 1995Date of Patent: July 29, 1997Assignee: Eastman Chemical CompanyInventors: Stephen N. Falling, Stephen A. Godleski, Patricia Lopez-Maldonado, Peter B. MacKenzie, Laughlin G. McCullough, James C. Matayabas, Jr.
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Patent number: 5608034Abstract: Polyether polymers obtained by the reaction or polymerization of 3,4-epoxy-1-butene in the presence of an onium iodide compound such as an ammonium or phosphonium iodide, an organotin compound such as a trihydrocarbyltin iodide, and a nucleophilic hydroxyl initiator compound. The polyether polymers comprise n units of residue (1) and m units of residue (2), wherein the total value of n+m is 2 to 70, m/(n+m) is greater than 0.75 and up to 0.Type: GrantFiled: September 22, 1995Date of Patent: March 4, 1997Assignee: Eastman Chemical CompanyInventors: Stephen N. Falling, Stephen A. Godleski, Patricia Lopez-Maldonado, Peter B. MacKenzie, Laughlin G. McCullough, James C. Matayabas, Jr.
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Patent number: 5326873Abstract: A method of forming 4-amino-2-buten-1-ol using 3,4-epoxy-1-butene is disclosed. A nitrogen nucleophile (e.g., an amine) is reacted with 3,4-epoxy-1-butene in the presence of a polymer-bound complex of palladium having up to four phosphine ligands.Type: GrantFiled: June 5, 1992Date of Patent: July 5, 1994Assignee: Eastman Kodak CompanyInventors: Stephen A. Godleski, Yann Hung
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Patent number: 5315019Abstract: Disclosed is a continuous process for the manufacture of 2,5-dihydrofurans by the isomerization of .gamma.,.delta.-epoxyalkenes in the liquid phase in the presence of a catalyst system comprising an onium iodide compound and a Lewis acid and a process solvent comprising a mixture of the 2,5-dihydrofuran product of the process and an oligomer of the .gamma.,.delta.-epoxyalkenes reactant.Type: GrantFiled: October 19, 1992Date of Patent: May 24, 1994Assignee: Eastman Chemical CompanyInventors: Gerald W. Phillips, Stephen N. Falling, Stephen A. Godleski, John R. Monnier
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Patent number: 5238889Abstract: Disclosed is a process for the recovery of catalyst values from mixtures of catalyst compounds and oligomeric materials. The process provides for the separation of (i) an onium iodide compound, (ii) an organotin iodide compound, or (iii) a mixture thereof from a mixture thereof in an oligomer of a .gamma.,.delta.-epoxy-alkene by the steps of (1) intimately contacting the mixture with an extraction solvent selected from hydrocarbons having about 5 to 12 carbon atoms; (2) allowing the mixture of step (1) to separate into 2 phases; and (3) recovering the extraction solvent phase containing iodide compounds (i) and (ii). The oligomer mixture of compounds (i) and/or (ii) is formed during the manufacture of 2,5-dihydrofurans by the isomerization of .gamma.,.delta.-epoxyalkenes.Type: GrantFiled: August 10, 1992Date of Patent: August 24, 1993Assignee: Eastman Kodak CompanyInventors: Stephen N. Falling, Stephen A. Godleski, Lynda W. McGarry
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Patent number: 5189199Abstract: A process is disclosed for the preparation of 1,4-dioxy-2-butenes by reacting 3,4-epoxy-1-butene with an oxygen nucleophile in the presence of a Pd(O) complex catalyst.Type: GrantFiled: February 20, 1992Date of Patent: February 23, 1993Assignee: Eastman Kodak CompanyInventor: Stephen A. Godleski
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Patent number: 5082956Abstract: Disclosed are processes for the isomerization of epoxyalkenes to dihydrofurans by contacting an epoxyalkene with a catalyst comprising a quaternary organic onium iodide compounds, optionally deposited on a non-acidic support and/or in combination with a Lewis acid co-catalyst. The catalyst may comprise a supported catalyst, an unsupported catalyst or a solution of the catalytically-active components in an inert, organic solvent.Type: GrantFiled: December 14, 1990Date of Patent: January 21, 1992Assignee: Eastman Kodak CompanyInventors: John R. Monnier, Stephen A. Godleski, Howard M. Low, Laughlin G. McCullough, Lynda W. McGarry, Gerald W. Phillips