Patents by Inventor Graciela Emma Negri Jimenez
Graciela Emma Negri Jimenez 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: 20240141203Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and systems for three-dimensional printing. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent, a solubilizing agent, and a detailing agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The solubilizing agent can include benzyl alcohol, an organic cosolvent, and water. The detailing agent can include a detailing compound.Type: ApplicationFiled: January 5, 2021Publication date: May 2, 2024Inventors: Emre Hiro DISCEKICI, Shannon Reuben WOODRUFF, Mark KOWALSKI, Alay YEMANE, Graciela Emma NEGRI JIMENEZ
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Patent number: 11958240Abstract: A multi-fluid kit for three-dimensional printing can include a fusing agent and a detailing agent. The fusing agent can include water and a radiation absorber. The radiation absorber absorbs radiation energy and converts the radiation energy to heat. The detailing agent includes a lipophilic phase discontinuously dispersed within an aqueous phase by a surfactant. The lipophilic phase includes an organosilane having a central silicon atom coupled to a C6 to C24 aliphatic or alicyclic hydrocarbon and multiple hydrolyzable groups. The organosilane is present in the detailing agent at from about 1 wt % to about 20 wt %.Type: GrantFiled: August 8, 2019Date of Patent: April 16, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Graciela Emma Negri Jimenez, Emre Hiro Discekici, Shannon Rueben Woodruff
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Patent number: 11752692Abstract: This disclosure describes three-dimensional printing kits, methods, and systems for three-dimensional printing with phosphorescent pigments. In one example, a three-dimensional printing kit can include a powder bed material and a low-tint fusing agent. The powder bed material can include polymer particles and phosphorescent pigment particles mixed with the polymer particles. The low-tint fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the absorbed radiation energy to heat.Type: GrantFiled: October 22, 2019Date of Patent: September 12, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Alexey S. Kabalnov, Graciela Emma Negri Jimenez, Shannon Reuben Woodruff
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Publication number: 20230219291Abstract: Hydrogel three-dimensional printing kits, methods of three-dimensional printing and three-dimensional printed hydro-gels are described. In one example, a three-dimensional printing kit can comprise a particulate build material, a crosslinking agent and a structural modifier. The particulate build material may comprise a polyhydroxylated polymer having hydroxyl groups. The crosslinking gent is for crosslinking the polyhydroxylated polymer by a reaction with the hydroxyl groups. The structural modifier can have a plurality of functional groups for forming a network within the hydrogel, and where the structural modifier may have a reactivity that is chemically orthogonal to the reaction with the hydroxyl groups for crosslinking the polyhydroxylated polymer.Type: ApplicationFiled: April 30, 2020Publication date: July 13, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Graciela Emma Negri Jimenez, Carolin Fleischmann, Jacob Wright
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Publication number: 20230203338Abstract: The present disclosure is drawn to food contact compliant three-dimensional printing kits and systems. In one example, a multi-fluid kit of food contact compliant agents for three-dimensional printing can include a food contact compliant fusing agent and a food contact compliant detailing agent. The fusing agent can include from about 70 wt % to about 96 wt % water, a food contact compliant carbon black dispersion in an amount of from about 3 wt % to about 10 wt % by solids weight of the carbon black dispersion, and food grade propylene glycol in an amount from about 1 wt % to about 15 wt %. The detailing agent can include from about 70 wt % to about 90 wt % water, food grade propylene glycol in an amount from about 10 wt % to about 25 wt %, and a food contact compliant chelating compound in an amount of from about 0.01 wt % to about 1 wt %.Type: ApplicationFiled: May 14, 2021Publication date: June 29, 2023Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ, THOMAS M SABO, JASON CHRISTOPHER BUTLER
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Patent number: 11667766Abstract: According to examples described herein, methods, compositions, and agents comprising an antistatic agent are described. According to one example, a fusing agent composition for three-dimensional printing can comprise: at least one antistatic agent in an amount of from about 0.01 wt % to about 20 wt % based on a total weight of the fusing agent composition, at least one near infrared absorbing compound, at least one surfactant, at least one organic solvent, and water.Type: GrantFiled: January 26, 2018Date of Patent: June 6, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Graciela Emma Negri Jimenez, Alexey S Kabalnov, Jacob Wright
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Publication number: 20230158738Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an antioxidant agent. The fusing agent can include water and an electromagnetic radiation absorber that absorbs radiation energy and converts the radiation energy to heat. The antioxidant agent can include a liquid vehicle with water and from about 0.5 wt % to about 15 wt % hindered phenolic antioxidant dispersed in the liquid vehicle.Type: ApplicationFiled: March 23, 2020Publication date: May 25, 2023Inventors: EMRE HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, GRACIELA EMMA NEGRI JIMENEZ, JASON CHRISTOPHER BUTLER
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Publication number: 20230144669Abstract: This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material and an aqueous agent. The particulate build material can include from about 90 wt % to 100 wt % of a mixture of a powdered polyhydroxylated swellable polymer dry blended with powdered water-soluble crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer. The aqueous agent can include water and an organic co-solvent, and the aqueous agent may not include the crosslinker.Type: ApplicationFiled: April 10, 2020Publication date: May 11, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Jacob Wright, Carolin Fleischmann, Graciela Emma Negri Jimenez
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Patent number: 11643565Abstract: Disclosed herein are compositions for three-dimensional printing. In an example, disclosed herein is a composition for three-dimensional printing comprising: (A) a powder build material; (B) a first fusing agent; (C) a second fusing agent different from the first fusing agent; (D) a detailing agent; (E) a cyan ink composition; (F) a yellow ink composition; (G) a magenta ink composition; and (H) a black ink composition.Type: GrantFiled: February 6, 2018Date of Patent: May 9, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Alexey S Kabalnov, Stephen G Rudisill, Jesiska Tandy, Graciela Emma Negri Jimenez, Shannon Reuben Woodruff, Jason Butler
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Publication number: 20230081448Abstract: This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material, a crosslinking agent, a whitening agent, and a coloring agent. The particulate build material can include a polyhydroxylated swellable polymer. The crosslinking agent can include water and a crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer. The whitening agent can include water and a dispersed white pigment. The coloring agent can include water and a colorant.Type: ApplicationFiled: March 4, 2020Publication date: March 16, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Jacob Wright, Graciela Emma Negri Jimenez
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Publication number: 20230050446Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an antioxidant agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The antioxidant agent can include water and a dispersion of a secondary antioxidant.Type: ApplicationFiled: January 9, 2020Publication date: February 16, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Graciela Emma Negri Jimenez, Shannon Reuben Woodruff, Jason Christopher Butler
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Publication number: 20230029475Abstract: This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material and a crosslinking agent. The particulate build material can include from about 90 wt % to 100 wt % of a polyhydroxylated swellable polymer. The crosslinking agent can include water and a crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer.Type: ApplicationFiled: January 30, 2020Publication date: February 2, 2023Inventors: EMRE HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, JACOB WRIGHT, GRACIELA EMMA NEGRI JIMENEZ, CAROLIN FLEISCHMANN
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Publication number: 20230035432Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a chemical functionalization agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The chemical functionalization agent can include water and an amine-containing polymer. The amine-containing polymer can be a branched or unbranched polymer that includes a polymer backbone and multiple pendant side chains. The individual side chains can include —NH2, —NH—, or a combination thereof.Type: ApplicationFiled: December 11, 2019Publication date: February 2, 2023Inventors: EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ, SHANNON REUBEN WOODRUFF
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Publication number: 20230033095Abstract: A three-dimensional printing kit can include a polymeric build material and a fusing agent. The polymeric build material can include polymer particles having a D50 particle size from about 2 µm to about 150 µm. The fusing agent can include an aqueous liquid vehicle including water and an organic co-solvent, a radiation absorber to generate heat from absorbed electromagnetic radiation, and from about 5 wt% to about 20 wt% flame retardant including dicyandiamide.Type: ApplicationFiled: January 29, 2020Publication date: February 2, 2023Inventors: SHANNON RUEBEN WOODRUFF, EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ
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Publication number: 20230001630Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a tinted anti-coalescing agent. The fusing agent can include water and an electromagnetic radiation absorber that absorbs radiation energy and converts the radiation energy to heat. The tinted anti-coalescing agent can include an aqueous liquid vehicle, a colored dye dissolved in the aqueous liquid vehicle, and an organosilane. The organosilane can have a central silicon atom covalently coupled to multiple hydrolysable groups and to an organic group by covalent bonding to a carbon atom in the organic group, wherein the organic group is not susceptible to hydrolysis.Type: ApplicationFiled: December 9, 2019Publication date: January 5, 2023Inventors: GRACIELA EMMA NEGRI JIMENEZ, EMRI HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, JACOB WRIGHT
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Publication number: 20220411655Abstract: This disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of testing powder bed material for contamination. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a detector solution. The fusing agent can include water, an electromagnetic radiation absorber, and a first pigment reactant. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The detector solution can include water and a second pigment reactant.Type: ApplicationFiled: December 13, 2019Publication date: December 29, 2022Inventors: EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ, SHANNON REUBEN WOODRUFF, ALAY YEMANE, JACOB WRIGHT
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Publication number: 20220403197Abstract: The present disclosure describes three-dimensional printing with scent agents. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent comprising water and a radiation absorber, wherein the radiation absorber absorbs radiation energy and converts the radiation energy to heat; and a scent agent comprising a scented compound dissolved in an aqueous liquid vehicle that includes water and organic co-solvent, wherein the organic co-solvent includes an aliphatic polyol, an esterified aliphatic polyol, or a combination thereof.Type: ApplicationFiled: December 10, 2019Publication date: December 22, 2022Inventors: EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ, SHANNON REUBEN WOODRUFF, CAROLIN FLEISCHMANN
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Publication number: 20220404322Abstract: This disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of sensing metal ions using three-dimensional printed ion sensors. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an ion-sensing agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The ion-sensing agent can include water and a redox-active inorganic salt.Type: ApplicationFiled: December 11, 2019Publication date: December 22, 2022Inventors: EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ, SHANNON REUBEN WOODRUFF, JACOB WRIGHT
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Publication number: 20220363923Abstract: A multi-fluid kit for three-dimensional printing can include a fusing agent and a detailing agent. The fusing agent can include water and a radiation absorber. The radiation absorber absorbs radiation energy and converts the radiation energy to heat. The detailing agent includes a lipophilic phase discontinuously dispersed within an aqueous phase by a surfactant. The lipophilic phase includes an organosilane having a central silicon atom coupled to a C6 to C24 aliphatic or alicyclic hydrocarbon and multiple hydrolyzable groups. The organosilane is present in the detailing agent at from about 1 wt % to about 20 wt %.Type: ApplicationFiled: August 8, 2019Publication date: November 17, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Graciela Emma Negri Jimenez, Emre Hiro Discekici, Shannon Rueben Woodruff
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Publication number: 20220332044Abstract: This disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed articles. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent, a first reactive agent, and a second reactive agent. The fusing agent can include water and a radiation absorber. The radiation absorber can absorb radiation energy and convert the radiation energy to heat. The first reactive agent can include water and a dissolved first pigment reactant. The second reactive agent can include water and a dissolved second pigment reactant. The second pigment reactant can be reactive with the first pigment reactant to form a water-insoluble pigment.Type: ApplicationFiled: July 15, 2019Publication date: October 20, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Shannon Reuben Woodruff, Emre Hiro Discekici, Graciela Emma Negri Jimenez