Patents by Inventor Adela Goredema

Adela Goredema 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).

  • Bio-renewable fast crystallizing phase change inks
    Patent number: 8591640
    Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline component and an amorphous component which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: November 26, 2013
    Assignee: Xerox Corporation
    Inventors: Adela Goredema, Jennifer L. Belelie, Kentaro Morimitsu, Gabriel Iftime, Rina Carlini, Caroline M. Turek, Corey L. Tracy, Nathan M. Bamsey
  • BIO-RENEWABLE FAST CRYSTALIZING PHASE CHANGE INKS
    Publication number: 20130284063
    Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.
    Type: Application
    Filed: November 19, 2012
    Publication date: October 31, 2013
    Applicant: XEROX CORPORATION
    Inventors: ADELA GOREDEMA, JENNIFER L. BELELIE, KENTARO MORIMITSU, GUERINO G. SACRIPANTE, GABRIEL IFTIME, CAROLINE M. TUREK, COREY L. TRACY, NATHAN M. BAMSEY
  • SUPER LOW MELT EMULSION AGGREGATION TONERS COMPRISING A TRANS-CINNAMIC DI-ESTER
    Publication number: 20130266896
    Abstract: An emulsion aggregation toner composition is disclosed that includes toner particles with at least one small crystalline molecule, such as a trans-cinnamic diester, at least one amorphous resin, optional waxes, coagulants, pigments, and combinations thereof. In other embodiments, the small crystalline molecule is biodegradable and can be made using raw materials derived from renewable resources. Such small crystalline molecules are also compatible with amorphous binder resins, to provide toner compositions with reduced minimum fusing temperatures without sacrificing electrical performance. Processes for preparing emulsion aggregation toner compositions are also described.
    Type: Application
    Filed: April 4, 2012
    Publication date: October 10, 2013
    Applicant: XEROX CORPORATION
    Inventors: Ke ZHOU, Adela GOREDEMA, Karen MOFFAT, Edward G. ZWARTZ, Mike HAWKINS, Rosa DUQUE, Guerino G. SACRIPANTE
  • Phase change inks comprising crystalline-amorphous mixtures
    Patent number: 8551236
    Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises an amorphous compound and a crystalline compound which is derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: October 8, 2013
    Assignee: Xerox Corporation
    Inventors: Kentaro Morimitsu, Adela Goredema, Naveen Chopra, Jennifer Belelie, James D. Mayo, Gabriel Iftime
  • Stabilized photochromic ink for reusable paper annotation
    Patent number: 8545738
    Abstract: Provided are ink compositions, methods for making photochromic inks, and methods of using the photochromic inks for erasable media annotation. In accordance with various embodiments, there is an ink composition including a carrier medium and one or more photochromic species in the carrier medium, wherein each of the one or more photochromic species can be selected from the group consisting of monomeric photochromic molecules, photochromic oligomers, and photochromic polymers, and wherein each one of the one or more photochromic species exhibits a reversible transition from a colorless state to a colored state upon exposure to a radiant condition wherein the radiant condition can be selected from the group consisting of a radiant energy and a combination of a radiant energy and thermal energy.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: October 1, 2013
    Assignee: Xerox Corporation
    Inventors: Peter M. Kazmaier, Gabriel Iftime, Kentaro Morimitsu, Adela Goredema
  • Pigmented phase change inks containing low molecular weight pigment dispersants
    Patent number: 8507041
    Abstract: An ink comprising an ink vehicle; pigment particles; and a dispersant; wherein the dispersant stabilizes the pigment particles; and wherein the dispersant is a compound of the formula or a mixture thereof, wherein R and R? are independently selected from alkyl, arylalkyl, or alkylaryl with from about 18 to about 60 carbon atoms and wherein m is an integer of from about 1 to about 30.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: August 13, 2013
    Assignee: Xerox Corporation
    Inventors: Adela Goredema, Mihaela Maria Birau, C. Geoffrey Allen, Caroline Turek, Maxine E. Haberl, Christopher Wagner, Raymond Wan-Ning Wong, Peter G. Odell
  • Phase change inks containing oxazoline compounds and polyterpene resins
    Patent number: 8481609
    Abstract: Disclosed is a phase change ink comprising (a) a crystalline oxazoline compound; and (b) an amorphous polyterpene resin.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 9, 2013
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, Adela Goredema, Guerino G. Sacripante, Caroline M. Turek, Edward G. Zwartz
  • Lower cost reusable polymer binder
    Patent number: 8465887
    Abstract: Exemplary embodiments provide compositions for erasable media and methods of forming polymers for erasable media. The method can include providing a first monomer, the first monomer including one or more alkoxylated bisphenols and adding at least one second monomer and a catalyst to the first monomer to form a mixture at a first temperature, the second monomer selected from the group consisting of an organic diacid, a dialkyl ester of the organic diacid, and combinations thereof. The method can also include melt condensing the mixture by increasing the temperature from the first temperature to a second temperature over a first amount of time to form one or more polymers, wherein the one or more polymers has an acid value in the range of about 0.1 mg-KOH to about 12 mg-KOH.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: June 18, 2013
    Assignee: Xerox Corporation
    Inventors: Adela Goredema, Guerino Sacripante, Gabriel Iftime, Kentaro Morimitsu, Roger Gaynor, Peter M. Kazmaier
  • Five member ring stabilizers for quinacridone-type pigments in solid ink
    Patent number: 8449096
    Abstract: A synergist for pigment in a solid ink having the following formula:
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: May 28, 2013
    Assignee: Xerox Corporation
    Inventors: M. Maria Birau, C. Geoffrey Allen, Marcel P. Breton, Carol A. Jennings, Caroline M. Turek, James D. Mayo, Adela Goredema, Yvonne Wong
  • Phase Change Inks Containing Crystalline Trans-Cinnamic Diesters and Polyterpene Resins
    Publication number: 20130131226
    Abstract: Disclosed is a phase change ink comprising an ink carrier which comprises: (a) a crystalline trans-cinnamic diester; and (b) an amorphous polyterpene resin.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 23, 2013
    Applicant: XEROX CORPORATION
    Inventors: Adela Goredema, Rina Carlini, Caroline M. Turek, Edward G. Zwartz
  • Phase Change Inks Containing Oxazoline Compounds and Polyterpene Resins
    Publication number: 20130035428
    Abstract: Disclosed is a phase change ink comprising (a) a crystalline oxazoline compound; and (b) an amorphous polyterpene resin.
    Type: Application
    Filed: August 2, 2011
    Publication date: February 7, 2013
    Applicant: XEROX CORPORATION
    Inventors: Rina Carlini, Adela Goredema, Guerino G. Sacripante, Caroline M. Turek, Edward G. Zwartz
  • Phase Change Inks Containing Crystalline Trans-Cinnamic Diesters and Amorphous Isosorbide Oligomers
    Publication number: 20130032056
    Abstract: Disclosed is a phase change ink comprising: (a) a crystalline trans-cinnamic diester; and (b) an amorphous oligomer of isosorbide and a diacid.
    Type: Application
    Filed: August 2, 2011
    Publication date: February 7, 2013
    Applicant: XEROX CORPORATION
    Inventors: Adela Goredema, Rina Carlini, Caroline M. Turek, Guerino G. Sacripante, Edward G. Zwartz
  • SOLID PHASE CHANGE INK COMPOSITIONS COMPRISING OXAZOLINES
    Publication number: 20130032057
    Abstract: A solid ink composition comprising at least one crystalline oxazoline compound and at least one amorphous component derived from a polyol, and a colorant and optional viscosity modifier, which are suitable for inkjet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a solid ink with excellent robustness when forming images or printing on coated paper substrates.
    Type: Application
    Filed: August 2, 2011
    Publication date: February 7, 2013
    Applicant: XEROX CORPORATION
    Inventors: Rina Carlini, Adela Goredema, Guerino G. Sacripante, Caroline M. Turek, Edward G. Zwartz
  • Photochromic polyesters and methods of producing photochromic polyesters
    Patent number: 8343715
    Abstract: A method for producing a photochromic polyester, the method including: a) providing a reaction solution having at least one ester monomer, a photochromic compound having or functionalized to have at least one hydroxyl group, and a metal-free catalyst; b) reacting the at least one ester monomer and the photochromic compound using the metal-free catalyst to produce a polymeric product, where the polymeric product has a photochromic polyester; and c) separating the polymeric product from the reaction solution. A photochromic polyester includes a photochromic compound covalently linked to a polyester and the polyester is obtained by polymerizing a lactone.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: January 1, 2013
    Assignee: Xerox Corporation
    Inventors: Santiago Faucher, Gabriel Iftime, Kentaro Morimitsu, Adela Goredema, Jordan H. Wosnick
  • SOLID INK COMPOSITIONS COMPRISING SEMICRYSTALLINE OLIGOMER RESINS
    Publication number: 20120309896
    Abstract: A solid ink composition comprising oligomer resins which are suitable for direct-to-paper (DTP) and/or transfix inkjet printing. In embodiments, the oligomer resins are poly/oligoester and poly/oligoesteramide compounds, which are non-wax materials having semi-crystalline properties.
    Type: Application
    Filed: March 28, 2012
    Publication date: December 6, 2012
    Applicant: XEROX CORPORATION
    Inventors: RINA CARLINI, Adela Goredema
  • Sensors and methods for determining whether an item has been exposed to an environmental condition
    Patent number: 8304747
    Abstract: A method for determining whether an item has been exposed to an environmental condition during a monitoring period. The method includes placing a sensor at least in proximity to the item at the beginning of the monitoring period so that the sensor will be exposed to a level of an environmental condition that can be correlated to an exposure level of the item to the environmental condition; reading the sensor; and determining from reading the sensor whether the item has been exposed to the environmental condition. The sensor includes a detecting material comprising a photochromic or photothermochromic material, the detecting material selected so that upon exposure to the environmental condition the detecting material exhibits a detectable color change.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: November 6, 2012
    Assignee: Xerox Corporation
    Inventors: Tom Kavassalis, Peter M. Kazmaier, Gabriel Iftime, Kentaro Morimitsu, Adela Goredema
  • Photochromic polymer with binder
    Patent number: 8303858
    Abstract: The present disclosure relates to the process of making a photochromic composite having a photochromic polymer and a binder polymer. The photochromic polymer is made by solution polymerization of the photochromic monomer and two monomers in the presence of a base and the binder polymer is made by solution polymerization of the two monomers in the presence of a base.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: November 6, 2012
    Assignee: Xerox Corporation
    Inventors: Kentaro Morimitsu, Adela Goredema, Gabriel Iftime, Peter M. Kazmaier, Roger E. Gaynor
  • Erasable media with binder
    Patent number: 8293438
    Abstract: Exemplary embodiments provide compositions and methods for an erasable medium that can include a photochromic composite containing a photochromic polymer dispersed in a polymer binder, a similar type polymer of a backbone portion of the photochromic polymer.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: October 23, 2012
    Assignee: Xerox Corporation
    Inventors: Gabriel Iftime, Kentaro Morimitsu, Peter M. Kazmaier, Adela Goredema, Hadi K. Mahabadi
  • Erasable medium with uncoated substrate
    Patent number: 8287963
    Abstract: Provided are compositions and methods for making an erasable medium that can include an aqueous photochromic emulsion including a photochromic polymer, a polymer binder, and water.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: October 16, 2012
    Assignee: Xerox Corporation
    Inventors: Gabriel Iftime, Jason Leong, Daryl Vanbesien, Caroline Turek, Gail Song, Kentaro Morimitsu, Adela Goredema, Peter M. Kazmaier
  • FIVE MEMBER RING STABILIZERS FOR QUINACRIDONE-TYPE PIGMENTS IN SOLID INK
    Publication number: 20120140001
    Abstract: A synergist for pigment in a solid ink having the following formula: where n is 1, 2, 3, or 4, X represents a metal, ammonium, or quaternary ammonium, R1, R2, and R3 independently represent H, C1-C20 alkyl, C1-C20 alkoxy, and halogen, A solid ink including the synergist having the above formula.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 7, 2012
    Applicant: XEROX CORPORATION
    Inventors: M. Maria BIRAU, C. Geoffrey ALLEN, Marcel P. BRETON, Carol A. JENNINGS, Caroline M. TUREK, James D. MAYO, Raymond W. WONG, Yvonne WONG, Adela GOREDEMA