Patents by Inventor Denise R. Bayley
Denise R. Bayley 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: 6850725Abstract: An apparatus comprised of a charging component, a development component, a transport component, a photoconductive component, and a fusing component, and wherein the development component contains a toner comprising at least one binder in an optional amount of from about 85 to about 99 percent by weight, at least one colorant in an optional amount of from about 0.5 to about 15 percent by weight, and calcium stearate in an optional amount of from about 0.05 to about 2 percent by weight and wherein following triboelectric contact with carrier particles, the toner has a charge Q measured in femtocoulombs per particle diameter D measured in microns (Q/D) of from about ?0.1 to about ?1 fC/?m with a variation during development of from about 0 to about 0.25 fC/?m and wherein the distribution is substantially unimodal and possesses a peak width of from about 0.1 fC/?m to about 0.Type: GrantFiled: June 18, 2004Date of Patent: February 1, 2005Assignee: Xerox CorporationInventors: Scott M. Silence, William H. Hollenbaugh, Jr., Thomas R. Pickering, Amy L. Stamp, Roger N. Ciccarelli, Denise R. Bayley, Samuel Kaplan, Alexander N. Klymachyov, John S. Walters, Padam K. Angra
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Patent number: 6824942Abstract: A toner comprised of resin, colorant and calcium stearate.Type: GrantFiled: September 27, 2002Date of Patent: November 30, 2004Assignee: Xerox CorporationInventors: Scott M. Silence, William H. Hollenbaugh, Jr., Thomas R. Pickering, Amy L. Stamp, Roger N. Ciccarelli, Denise R. Bayley, Samuel Kaplan, Alexander N. Klymachyov, John S. Walters, Padam K. Angra
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Publication number: 20040229144Abstract: An apparatus comprised of a charging component, a development component, a transport component, a photoconductive component, and a fusing component, and wherein the development component contains a toner comprising at least one binder in an optional amount of from about 85 to about 99 percent by weight, at least one colorant in an optional amount of from about 0.5 to about 15 percent by weight, and calcium stearate in an optional amount of from about 0.05 to about 2 percent by weight and wherein following triboelectric contact with carrier particles, the toner has a charge Q measured in femtocoulombs per particle diameter D measured in microns (Q/D) of from about −0.1 to about −1 fC/&mgr;m with a variation during development of from about 0 to about 0.25 fC/&mgr;m and wherein the distribution is substantially unimodal and possesses a peak width of from about 0.1 fC/&mgr;m to about 0.Type: ApplicationFiled: June 18, 2004Publication date: November 18, 2004Applicant: Xerox CorporationInventors: Scott M. Silence, William H. Hollenbaugh, Thomas R. Pickering, Amy L. Stamp, Roger N. Ciccarelli, Denise R. Bayley, Samuel Kaplan, Alexander N. Klymachyov, John S. Walters, Padam K. Angra
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Publication number: 20040063018Abstract: A toner comprised of resin, colorant and calcium stearate.Type: ApplicationFiled: September 27, 2002Publication date: April 1, 2004Applicant: Xerox CorporationInventors: Scott M. Silence, William H. Hollenbaugh, Thomas R. Pickering, Amy L. Stamp, Roger N. Ciccarelli, Denise R. Bayley, Samuel Kaplan, Alexander N. Klymachyov, John S. Walters, Padam K. Angra
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Patent number: 6420078Abstract: A toner composition includes a binder, a colorant, and a treated alumina, wherein the treated alumina includes alumina particles treated with a treatment agent. The treatment agent can be, for example, an alkylalkoxysilane such as decyltrimethoxysilane.Type: GrantFiled: December 28, 2000Date of Patent: July 16, 2002Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Denise R. Bayley, Thomas R. Pickering, Andrew Furman
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Patent number: 6312861Abstract: A toner comprised of resin, colorant and a coated silica, and wherein said silica has a primary particle size of about 25 nanometers to about 55 nanometers, and an aggregate size of about 225 nanometers to about 400 nanometers, and said coating is comprised of a mixture of an alkylsilane and an aminoalkylsilane.Type: GrantFiled: October 26, 2000Date of Patent: November 6, 2001Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Denise R. Bayley, James R. Combes, Thomas R. Pickering, Jacques C. Bertrand
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Patent number: 6203960Abstract: A toner composition including a binder, colorant, and a toner particle surface additive component comprised of a fumed silica coated with a first major amount of an alkylsilane compound and a second minor amount of an aminoalkylsilane compound, wherein the fumed silica has a relatively large particle size of, for example, a primary particle size diameter determined by BET measurement of from about 25 to about 75 nanometers an aggregate particle size of from about 225 nanometers to about 400 nanometers. A toner composition including a binder, colorant, and a toner particle surface additive component comprised of a mixture of first coated fumed silica coated with an alkylsilane compound and a second coated fumed silica coated with an aminoalkylsilane compound wherein the first and second fumed silicas each has the same relatively large particle size.Type: GrantFiled: August 22, 2000Date of Patent: March 20, 2001Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Denise R. Bayley, Thomas R. Pickering
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Patent number: 6190815Abstract: A toner comprised of resin, colorant and a coated silica, and wherein said silica has a primary particle size of about 25 nanometers to about 55 nanometers, and an aggregate size of about 225 nanometers to about 400 nanometers, and said coating is comprised of a mixture of an alkylsilane and an aminoalkylsilane.Type: GrantFiled: August 11, 1998Date of Patent: February 20, 2001Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Denise R. Bayley, James R. Combes, Thomas R. Pickering, Jacques C. Bertrand
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Patent number: 6004714Abstract: A toner comprised of binder, colorant, and a silica containing a coating of an alkylsilane.Type: GrantFiled: August 11, 1998Date of Patent: December 21, 1999Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Denise R. Bayley, Thomas R. Pickering, Jacques C. Bertrand
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Patent number: 5942365Abstract: A liquid developer comprised of a liquid, resin particles, an optional nonpolar liquid soluble charge director, and a charge adjuvant comprised of an aluminum salt of an acid, wherein the acid is a hydroxy carboxylic acid, an amino carboxylic acid, an aromatic carboxylic acid, an aliphatic carboxylic acid, or a sulfonic acid and imaging processes using the same one disclosed.Type: GrantFiled: June 19, 1997Date of Patent: August 24, 1999Assignee: Xerox CorporationInventors: George A. Gibson, Scott D. Chamberlain, Thomas R. Pickering, John W. Spiewak, Jacques C. Bertrand, Roger N. Ciccarelli, Denise R. Bayley
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Patent number: 5885739Abstract: Toners comprised of a cyan toner, a magenta toner, a yellow toner, an orange toner, or a red toner, and a black toner, each of said toners being comprised of resin and pigment; and wherein the pigment for the orange toner is Orange 13, Cl 21110, Orange 34, Cl 21115, Orange 5, Cl 12075, Orange 16, Cl 21160, Orange 36, Cl 11780, Orange 46, Cl 15602, Orange 67, or Orange 69, and wherein the pigment for the red toner is Red 53:1, Cl 15585, Red 48:1, Cl 15865:1, Red 122, Cl 12370, or Red 254; and wherein said pigment for each toner is prepared by flushing said wet pigment, wherein a cyan, magenta, orange, or red and yellow pigment water wet cake is mixed with toner resin, and the water is substantially removed to generate pigmented resin, or wherein said pigment for each toner is prepared by dispersing said pigment with a polymeric alcohol.Type: GrantFiled: October 31, 1997Date of Patent: March 23, 1999Assignee: Xerox CorporationInventors: Edul N. Dalal, Sue E. Blaszak, Kristen M. Natale-Hoffman, Jacques C. Bertrand, Roger N. Ciccarelli, Denise R. Bayley
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Patent number: 5866288Abstract: Toners comprised of a cyan toner, a magenta toner, a yellow toner, a violet toner, and a black toner, each of said toners being comprised of resin and pigment; and wherein the pigment for the violet toner is Violet 19 with a C.I. number of 46500, Violet 23 with a C.I. number of 51319, Violet 3 with a C.I. number of 42535, Blue 1, Blue 60, or Blue 61, and wherein said pigment for each toner, excluding black, is prepared by flushing a wet pigment, wherein said cyan, magenta, yellow, and violet pigment water wet cake is mixed with a toner resin, and the water is removed to generate pigmented resin.Type: GrantFiled: November 7, 1997Date of Patent: February 2, 1999Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Jacques C. Bertrand, Edul N. Dalal, Sue E. Blaszak, Kristen M. Natale-Hoffman, Denise R. Bayley
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Patent number: 5736291Abstract: A combination of five colored toners containing resin and certain pigments of magenta, yellow, orange, red, and black, and processes for the preparation of these toners by, for example, mixing a cyan, magenta, orange, or red and yellow pigment water wet cake with toner resin, followed by substantially removing the water to generate pigmented resin.Type: GrantFiled: October 9, 1996Date of Patent: April 7, 1998Assignee: Xerox CorporationInventors: Edul N. Dalal, Sue E. Blaszak, Kristen M. Natale-Hoffman, Jacques C. Bertrand, Roger N. Ciccarelli, Denise R. Bayley
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Patent number: 5719002Abstract: A combination of toners containing a cyan toner, a magenta toner, a yellow toner, a violet toner, and a black toner, each toner containing resin and pigment. The pigment for each of the colored toners, which excludes black, can be prepared by flushing a wet pigment cake with a toner resin and removing water to generate a pigmented resin.Type: GrantFiled: October 9, 1996Date of Patent: February 17, 1998Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Jacques C. Bertrand, Edul N. Dalal, Sue E. Blaszak, Kristen M. Natale-Hoffman, Denise R. Bayley
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Patent number: 5667929Abstract: Toners comprised of a mixture of a cyan toner, a magenta toner, a yellow toner, and an optional black toner, each of said toners being comprised of resin and pigment, and wherein the pigment for the cyan toner is a .beta. type copper phthalocyanine, the pigment for the magenta toner is a quinacridone, the pigment for the yellow toner is a diazo benzidine, and the pigment for the black toner is carbon black.Type: GrantFiled: July 19, 1996Date of Patent: September 16, 1997Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Jacques C. Bertrand, Thomas R. Pickering, Denise R. Bayley
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Patent number: 5620820Abstract: Toners comprised of a mixture of a cyan toner, a magenta toner, a yellow toner, and a black toner each of said toners being comprised of resin and pigment, and wherein the pigment for the cyan toner is a .beta. type copper phthalocyanine, the pigment for the magenta toner is a xanthene silicomolybdic acid salt of Rhodamine 6G dye, the pigment for the yellow toner is an isoindoline, and the pigment for the black toner is carbon black.Type: GrantFiled: October 12, 1995Date of Patent: April 15, 1997Assignee: Xerox CorporationInventors: Jacques C. Bertrand, Roger N. Ciccarelli, Thomas R. Pickering, Denise R. Bayley
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Patent number: 5607804Abstract: Toners comprised of a mixture of a cyan toner, a magenta toner, a yellow toner, and an optional black toner, each of said toners being comprised of resin and pigment, and wherein the pigment for the cyan toner is a .beta. type copper phthalocyanine, the pigment for the magenta toner is a monoazo lithol rubine, the pigment for the yellow toner is an isoindoline, and the pigment for the black toner is carbon black.Type: GrantFiled: October 12, 1995Date of Patent: March 4, 1997Assignee: Xerox CorporationInventors: Jacques C. Bertrand, Roger N. Ciccarelli, Thomas R. Pickering, Denise R. Bayley
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Patent number: 5591552Abstract: Toners comprised of a mixture of a cyan toner, a magenta toner, a yellow toner, and an optional black toner, each of said toners being comprised of resin and pigment, and wherein the pigment for the cyan toner is a .beta. type copper phthalocyanine, the pigment for the magenta toner is a quinacridone, the pigment for the yellow toner is a diazo benzidine, and the pigment for the black toner is carbon black.Type: GrantFiled: October 12, 1995Date of Patent: January 7, 1997Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Jacques C. Bertrand, Thomas R. Pickering, Denise R. Bayley
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Patent number: 5556727Abstract: Toners comprised of a cyan toner, a magenta toner, a yellow toner, and an optional black toner, each of said toners being comprised of resin and pigment; and wherein the pigment for the cyan toner is a .beta. or beta type copper phthalocyanine, the pigment for the magenta toner is a xanthene silicomolybdic acid salt of Rhodamine 6G basic dye, the pigment for the yellow toner is a diazo benzidine, and the pigment for the black toner is carbon black.Type: GrantFiled: October 12, 1995Date of Patent: September 17, 1996Assignee: Xerox CorporationInventors: Roger N. Ciccarelli, Jacques C. Bertrand, Thomas R. Pickering, Denise R. Bayley
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Patent number: 5554471Abstract: Toners comprised of a mixture of a cyan toner, a magenta toner, a yellow toner, and an optional black toner, each of said toners being comprised of resin and pigment, and wherein the pigment for the cyan toner is a .beta. type copper phthalocyanine, the pigment for the magenta toner is a quinacridone, the pigment for the yellow toner is an isoindoline, and the pigment for the black toner is carbon black.Type: GrantFiled: October 12, 1995Date of Patent: September 10, 1996Assignee: Xerox CorporationInventors: Jacques C. Bertrand, Roger N. Ciccarelli, Thomas R. Pickering, Denise R. Bayley