Patents by Inventor Mark P. Kirk
Mark P. Kirk 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: 7015493Abstract: A method of configuring a storage phosphor reader. The method comprises the steps of: providing a database of user-selectable image processing parameters wherein the image processing parameters are grouped by geographical region; allowing an operator of the storage phosphor reader to select one of the groups of geographical regions; and applying the image processing parameters of the selected group to the storage phosphor reader to configure the reader with the image processing parameters of the selected group.Type: GrantFiled: February 3, 2004Date of Patent: March 21, 2006Assignee: Eastman Kodak CompanyInventors: John L. Petrucci, Keiichi Funaki, Mark P. Kirk, Kevin C. Odorczyk
-
Publication number: 20040206884Abstract: A method of configuring a storage phosphor reader. The method comprises the steps of: providing a database of user-selectable image processing parameters wherein the image processing parameters are grouped by geographical region; allowing an operator of the storage phosphor reader to select one of the groups of geographical regions; and applying the image processing parameters of the selected group to the storage phosphor reader to configure the reader with the image processing parameters of the selected group.Type: ApplicationFiled: February 3, 2004Publication date: October 21, 2004Inventors: John L. Petrucci, Keiichi Funaki, Mark P. Kirk, Kevin C. Odorczyk
-
Patent number: 6045986Abstract: The present invention provides a method of forming a dispersion of solid particles of a dye in a gelatin medium which includes the steps of milling the solid dye in the present of a glycerophospholipid dispersant in an aqueous medium and diluting the resulting dispersion with an aqueous solution containing a gelatin. In addition, a photographic element is provided comprising a support having coated thereon at least one silver halide emulsion layer and at least one additional gelatin layer that contains a dispersion of solid particles of a dye and a glycerophospholipid dispersant.Type: GrantFiled: May 18, 1998Date of Patent: April 4, 2000Assignee: Tulalip Consultoria Commerial Sociedade Unipessoal S.A.Inventors: Philip I. Mayo, Valerie Millar, Mark P. Kirk
-
Patent number: 5939248Abstract: A photothermographic material having a photosensitive medium comprising: photosensitive silver halide, a reducible silver source, a reducing agent for silver ion, a hydrobromic acid salt of a nitrogen-containing heterocyclic ring or fused ring nucleus associated with a pair of bromine atoms CHARACTERIZED IN THAT the photosensitive medium additionally comprises as an antifoggant, substantially in the absence of an antifoggant effective amount of mercury and other heavy metal salts, a tribromomethyl ketone compound of general formula (I): ##STR1## in which; R represents an alkyl group, an aryl group, a carbocyclic ring or fused ring nucleus or a heterocyclic ring or fused ring nucleus.Type: GrantFiled: September 24, 1993Date of Patent: August 17, 1999Assignee: Minnesota Mining and Manufacturing CompanyInventors: Mark P. Kirk, David B. Oliff
-
Patent number: 5667953Abstract: The present invention relates to a light-sensitive silver halide photographic material comprising a support and silver halide emulsion layer or layers, wherein at least one of said silver halide emulsion layers comprises an alkylaminomercaptotetrazole antifoggant. According to a preferred embodiment of the present invention said silver halide emulsion layer comprises tabular silver halide grains having an average aspect ratio higher than 3:1 and a thickness lower than 0.4 .mu.m.Type: GrantFiled: August 3, 1995Date of Patent: September 16, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Massimo Bertoldi, Mark P. Kirk
-
Patent number: 5607827Abstract: The present invention relates to a silver halide photographic material comprising a support and at least one silver halide emulsion layer coated thereon, wherein said silver halide photographic material comprises tabular silver halide grains having an average aspect ratio higher than 3:1 dispersed in highly deionized gelatin, and a pyridinium carbamoyl hardener having the following formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represents an alkyl group having from 1 to carbon atoms, an aryl group having from 6 to 15 carbon atoms, an aralkyl group having from 7 to 15 carbon atoms, or R.sub.1 and R.sub.2 together form the atoms required to complete a heterocyclic ring, R.sub.3 represents a hydrogen atom, a halogen atom, an alkyl group having from 1 to 10 carbon atoms, an alkoxy group having from 1 to 10 carbon atoms, a carbamoyl group, a ureido group, and R.sub.4 represents an alkylene group having from 1 to 4 carbon atoms or a single chemical bond.Type: GrantFiled: September 21, 1995Date of Patent: March 4, 1997Assignee: Minnesota Mining & ManufacturingInventors: Mark P. Kirk, Stefano Parodi, Paolo Vacca
-
Patent number: 5594143Abstract: A compound having a nucleus of the formula: ##STR1## The compounds are suitable for use as image stabilisers and antifoggants in photothermographic materials and exhibit acceptably low sensitization of human skin.Type: GrantFiled: June 5, 1995Date of Patent: January 14, 1997Assignee: Imation Corp.Inventors: Mark P. Kirk, Andrew W. Mott
-
Patent number: 5460938Abstract: A compound having a nucleus of the formula: ##STR1## The compounds are suitable for use as image stabilizers and antifoggants in photothermographic materials and exhibit acceptably low sensitization of human skin.Type: GrantFiled: May 23, 1994Date of Patent: October 24, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Mark P. Kirk, Andrew W. Mott
-
Patent number: 5432287Abstract: A compound of the formula: ##STR1## wherein; R is a member selected from a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group.The compounds find utility as antifoggants and image stabilisers in photothermographic materials.Type: GrantFiled: August 26, 1994Date of Patent: July 11, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Mark P. Kirk, Andrew W. Mott
-
Patent number: 5384237Abstract: A thermal-dye-bleach construction comprising a dye in association with a thermal dye-bleaching agent of general formula I: ##STR1## wherein: each of R.sup.a and R.sup.b are individually selected from: hydrogen, an alkyl group, an alkenyl group, a cycloalkyl group, an aralkyl group, an aryl group, and a heterocyclic group, and preferably, both R.sup.a and R.sup.b represent hydrogen;p is one or two, and when p is one, Z is a monovalent group selected from: an akyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, and a heterocyclic group, and when p is two, Z is a divalent group selected from: an alkylene group, an arylene group, an alkenylene group, an alkynylene group, an aralkylene group, a cycloalkene group, and a heterocyclic group; and,M.sup.+ is a cation which will not react with a carbanion generated from the thermal-carbanion-generating agent in such manner as to render the carbanion ineffective as a bleaching agent for the dye.Type: GrantFiled: January 25, 1994Date of Patent: January 24, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventors: Dian E. Stevenson, Mark P. Kirk, Sylvia A. Farnum, William C. Frank, Randall H. Helland, Jonathan P., Kitchin, Roger A. Mader, Mark B. Mizen, Richard A. Newmark, William D. Ramsden, Kumars Sakizadeh, Terence D. Spawn, George V. Tiers
-
Patent number: 5374514Abstract: A photothermographic material comprising photographic silver halide, a reducible silver source, a reducing agent for silver ion and a binder, and as an antifoggant and/or stabilizer, a compound of the formula (I): ##STR1## wherein R is a member selected form the group consisting of a hydrogen atom, an alkyl group, an aryl group and a heterocyclic group.Type: GrantFiled: December 17, 1993Date of Patent: December 20, 1994Inventors: Mark P. Kirk, Andrew W. Mott
-
Patent number: 5340712Abstract: Radiation sensitive thermally developable imaging elements comprise:(a) photosensitive silver halide,(b) light insensitive silver salt oxidizing agent,(c) reducing agent for silver ions, and(d) an antifoggant compound comprising s-triazines having at least one tribromomethyl substituent. The antifoggants are effective in reducing spurious background image densities.Type: GrantFiled: April 21, 1993Date of Patent: August 23, 1994Assignee: Minnesota Mining and Manufacturing CompanyInventors: Susan H. Dunn, Mark P. Kirk, Roger A. Mader, Terence D. Spawn
-
Patent number: 5324627Abstract: A thermal-dye-bleach construction comprising a dye in association with a thermal dye-bleaching agent of general formula I: ##STR1## wherein: each of R.sup.a and R.sup.b are individually selected from: hydrogen, an alkyl group, an alkenyl group, a cycloalkyl group, an aralkyl group, an aryl group, and a heterocyclic group, and preferably, both R.sup.a and R.sup.b represent hydrogen;p is one or two, and when p is one, Z is a monovalent group selected from: an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, and a heterocyclic group, and when p is two, Z is a divalent group selected from: an alkylene group, an arylene group, an alkenylene group, an alkynylene group, an aralkylene group, a cycloalkene group, and a heterocyclic group; and,M.sup.+ is cation which will not react with acarbanion generated from the thermal-carbanion-generating agent in such manner as to render the carbanion ineffective as a bleaching agent for the dye.Type: GrantFiled: December 21, 1992Date of Patent: June 28, 1994Assignee: Minnesota Mining and Manufacturing CompanyInventors: Dian E. Stevenson, Mark P. Kirk, Sylvia A. Farnum, William C. Frank, Randall H. Helland, Jonathan P. Kitchin, Roger A. Mader, Mark B. Mizen, Richard A. Newmark, William D. Ramsden, Kumars Sakizadeh, Terence D. Spawn, George V. Tiers
-
Patent number: 5314795Abstract: A thermal-dye-bleach construction comprising a polymethine dye having a nucleus of general formula I: ##STR1## in association with a thermal-carbanion-generating agent having the general formula: ##STR2## wherein the substituents are as defined in the specification and claims.Type: GrantFiled: December 21, 1992Date of Patent: May 24, 1994Assignee: Minnesota Mining and Manufacturing CompanyInventors: Randall H. Helland, Sylvia A. Farnum, Mark P. Kirk, Jonathan P. Kitchin, Roger A. Mader, Mark B. Mizen, Richard A. Newmark, William D. Ramsden, Kumars Sakizadeh, Terence D. Spawn, Dian E. Stevenson, George V. Tiers
-
Patent number: 5266452Abstract: A photographic element containing a thermal-dye-bleach construction includes a thermal nucleophile-generating agent in association with a polymethine dye having a nucleus of general formula (I): ##STR1##Type: GrantFiled: April 30, 1992Date of Patent: November 30, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jonathan P. Kitchin, Mark P. Kirk, Dian E. Stevenson, Randall H. Helland
-
Patent number: 5245045Abstract: Compounds suitable for use as antihalation or acutance dyes in silver halide photographic emulsions having a nucleus of the general formula (I), ##STR1## in which: Y and Z independently represent the non-metallic atoms necessary to complete a carbocyclic or heterocyclic ring or a fused ring system,M.sup..sym. is a cation, and,X represents the non-metallic atoms necessary to complete a 5-, 6- or 7- membered carbocyclic ring, a 5-,6- or 7- membered heterocyclic ring or a fused ring system on a 5-, 6- or 7- membered nucleus and comprising up to 14 total ring atoms selected from C,N, 0, S and Se.Type: GrantFiled: April 27, 1990Date of Patent: September 14, 1993Assignee: Minnesota Mining and Manufacturing CompanyInventors: Kevin P. Hall, Ronald W. Burrows, Mark P. Kirk
-
Patent number: 5135842Abstract: A thermal-dye-bleach construction comprising a thermal nucleophile-generating agent in association with a polymethine dye having a nucleus of general formula (I): ##STR1## in which: n is 0, 1, 2 or 3;R.sup.1 and R.sup.4 are independently selected from the group consisting of hydrogen atoms, optionally substituted alkyl groups of up to 30 carbon atoms, optionally substituted alkenyl groups of up to 30 carbon atoms and optionally substituted aryl groups of up to 14 carbon atoms; andR.sup.1 and R.sup.2 together and/or R.sup.3 and R.sup.4 together may represent the necessary atoms to complete a 5 or 6-membered optionally substituted heterocyclic ring; orone or more of R.sup.1 to R.sup.4 may represent the necessary atoms to complete an optionally substituted 5 or 6-membered heterocyclic ring fused to the phenyl ring on which the NR.sup.1 R.sup.2 or NR.sup.3 R.sup.4 group is attached;R.sup.5 and R.sup.Type: GrantFiled: May 29, 1990Date of Patent: August 4, 1992Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jonathan P. Kitchin, Mark P. Kirk, Dian E. Stevenson, Randall H. Helland