Patents by Inventor Erica Fung
Erica Fung 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: 20240059866Abstract: An example of a multi-fluid kit for three-dimensional (3D) printing includes an elasticity agent to be applied to at least a portion of a build material composition during 3D printing and a fusing agent to be applied to the at least the portion of the build material composition during 3D printing. The elasticity agent includes a plasticizer having: a formula (I): wherein n is an integer ranging from 3 to 8; or a formula (II): wherein m is an integer ranging from 3 to 8. The fusing agent includes an energy absorber.Type: ApplicationFiled: October 6, 2023Publication date: February 22, 2024Inventors: Shannon Reuben Woodruff, Stephen G. Rudisill, Erica Fung, Rachael Donovan
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Publication number: 20230383087Abstract: A method of recovering fluoropolymer from a three-dimensional printed object can include dissolving a fluoropolymer of a three-dimensional printed object in a fluoropolymer-dissolving solvent to generate dissolved fluoropolymer from the three-dimensional object, wherein the three-dimensional printed object includes from about 0.1 wt % to about 10 wt % particulate fusing compound and from about 90 wt % to about 99.9 wt % fluoropolymer. The method can further include separating the particulate fusing compound from the fluoropolymer-dissolving solvent and the dissolved fluoropolymer, and evaporating the fluoropolymer-dissolving solvent from the dissolved fluoropolymer.Type: ApplicationFiled: October 21, 2020Publication date: November 30, 2023Inventors: ERICA FUNG, ALAY YEMANE, EMRE HIRO DISCEKICI
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Publication number: 20230357529Abstract: A method of recovering polyolefin polymer from a three-dimensional printed object can include dissolving a polyolefin polymer of a three-dimensional printed object in a polyolefin-dissolving solvent to generate dissolved polyolefin polymer from the three-dimensional object, wherein the three-dimensional printed object includes from about 0.1 wt % to about 10 wt% particulate fusing compound and from about 90 wt% to about 99.9 wt% polyolefin polymer. The method can further include separating the particulate fusing compound from the polyolefin-dissolving solvent and the dissolved polyolefin polymer, and evaporating the polyolefin-dissolving solvent from the dissolved polyolefin polymer.Type: ApplicationFiled: October 21, 2020Publication date: November 9, 2023Inventors: ERICA FUNG, ALAY YEMANE, EMRE HIRO DISCEKICI
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Publication number: 20230347587Abstract: This disclosure relates to a material set including a build material for 3-D printing including particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group. The material set further includes an inkjet composition including a de-protecting agent for removal of the protecting group, and a liquid carrier.Type: ApplicationFiled: July 9, 2023Publication date: November 2, 2023Inventors: Shannon Reuben Woodruff, Ali Emamjomeh, Yi Feng, Erica Fung, Carolin Fleischmann, Geoffrey Schmid
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Patent number: 11780988Abstract: An example of a multi-fluid kit for three-dimensional (3D) printing includes an elasticity agent to be applied to at least a portion of a build material composition during 3D printing and a fusing agent to be applied to the at least the portion of the build material composition during 3D printing. The elasticity agent includes a plasticizer having: a formula (I): wherein n is an integer ranging from 3 to 8; or a formula (II): wherein m is an integer ranging from 3 to 8. The fusing agent includes an energy absorber.Type: GrantFiled: October 24, 2018Date of Patent: October 10, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Shannon Reuben Woodruff, Stephen G. Rudisill, Erica Fung, Rachael Donovan
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Patent number: 11718024Abstract: This disclosure relates to a material set including a build material for 3-D printing including particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group. The material set further includes an inkjet composition including a de-protecting agent for removal of the protecting group, and a liquid carrier.Type: GrantFiled: December 23, 2021Date of Patent: August 8, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Shannon Reuben Woodruff, Ali Emamjomeh, Yi Feng, Erica Fung, Carolin Fleischmann, Geoffrey Schmid
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Publication number: 20230192981Abstract: A method of recovering polymer from a three-dimensional printed object can include dissolving a polyamide polymer of a three-dimensional printed object in a polyamide-dissolving solvent to generate dissolved polyamide polymer from the three-dimensional object, where the three-dimensional printed object can include a particulate fusing compound and from about 90 wt % to about 99.9 wt % of the polyamide polymer; separating the particulate fusing compound from the polyamide-dissolving solvent and the dissolved polyamide polymer; and evaporating the polyamide-dissolving solvent from the dissolved polyamide polymer.Type: ApplicationFiled: June 10, 2020Publication date: June 22, 2023Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: ERICA FUNG, ALAY YEMANE, EMRE HIRO DISCEKICI
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Patent number: 11628619Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a semi-crystalline or amorphous thermoplastic polymer having a predicted total dimension change during 3D printing ranging from about ?4% to about 9%. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the semi-crystalline or amorphous thermoplastic polymer in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber has absorption at wavelengths ranging from 800 nm to 4000 nm and has transparency at wavelengths ranging from 400 nm to 780 nm.Type: GrantFiled: July 14, 2022Date of Patent: April 18, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kenneth Flack, Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan
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Patent number: 11613670Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a thermoplastic elastomer having: an avalanche angle ranging from about 49 degrees to about 59 degrees; a break energy ranging from about 55 kJ/kg to about 78 kJ/kg; and an avalanche energy ranging from about 10 kJ/kg to about 27 kJ/kg. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the thermoplastic elastomer in the at least the portion.Type: GrantFiled: June 18, 2018Date of Patent: March 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Patent number: 11591486Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyamide having a melt enthalpy ranging from greater than 5 J/g to less than 150 J/g. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polyamide in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber is a plasmonic resonance absorber having absorption at wavelengths ranging from 800 nm to 4000 nm and having transparency at wavelengths ranging from 400 nm to 780 nm.Type: GrantFiled: June 19, 2018Date of Patent: February 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Patent number: 11590696Abstract: An example of a three-dimensional (3D) printing composition includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes one of: (i) a thermoplastic elastomer having a flow parameter characterized by a consolidation resistance value ranging from about 8 to about 30, and a tap density characterized by an n1/2 value ranging from 5 taps to 30 taps; or (ii) a polyamide-like material having a flow parameter characterized by a consolidation resistance value ranging from about 75 to about 120, and a tap density characterized by an n1/2 value ranging from 5 taps to 30 taps. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the thermoplastic elastomer or the polyamide-like material in the at least the portion.Type: GrantFiled: June 25, 2018Date of Patent: February 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Carolin Fleischmann, Erica Fung, Jesiska Tandy, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack, Carmina Querol Esparch
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Publication number: 20220379554Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a semi-crystalline or amorphous thermoplastic polymer having a predicted total dimension change during 3D printing ranging from about ?4% to about 9%. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the semi-crystalline or amorphous thermoplastic polymer in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber has absorption at wavelengths ranging from 800 nm to 4000 nm and has transparency at wavelengths ranging from 400 nm to 780 nm.Type: ApplicationFiled: July 14, 2022Publication date: December 1, 2022Inventors: Kenneth Flack, Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan
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Patent number: 11426931Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a semi-crystalline or amorphous thermoplastic polymer having a predicted total dimension change during 3D printing ranging from about ?4% to about 9%. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the semi-crystalline or amorphous thermoplastic polymer in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber has absorption at wavelengths ranging from 800 nm to 4000 nm and has transparency at wavelengths ranging from 400 nm to 780 nm.Type: GrantFiled: July 31, 2018Date of Patent: August 30, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kenneth Flack, Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan
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Publication number: 20220267630Abstract: A three-dimensional printing kit can include a powder bed material and a fusing agent to selectively apply to the powder bed material. The powder bed material can include polymer particles and a thermochromic additive. The thermochromic additive can be chemically stable at a melting point temperature of the polymer particles, and the thermochromic additive can exhibit a color change at a color transition temperature that is below the melting point of the polymer particles. The fusing agent can include water and a radiation absorber to absorb radiation energy and convert the radiation energy to heat.Type: ApplicationFiled: September 6, 2019Publication date: August 25, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Rachael Donovan, Jesiska Tandy, Shannon Reuben Woodruff, Emre Hiro Discekici, Graciela Emma Negri Jimenez, Alay Yemane
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Publication number: 20220111587Abstract: This disclosure relates to a material set including a build material for 3-D printing including particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group. The material set further includes an inkjet composition including a de-protecting agent for removal of the protecting group, and a liquid carrier.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Inventors: Shannon Reuben Woodruff, Ali Emamjomeh, Yi Feng, Erica Fung, Carolin Fleischmann, Geoffrey Schmid
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Patent number: 11298876Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyamide having: an avalanche angle ranging from about 35 degrees to about 55 degrees; a break energy ranging from about 25 kJ/kg to about 57 kJ/kg; and an avalanche energy ranging from about 7 kJ/kg to about 22 kJ/kg. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polyamide in the at least the portion.Type: GrantFiled: June 19, 2018Date of Patent: April 12, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Publication number: 20220064461Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyamide having a melt enthalpy ranging from greater than 5 J/g to less than 150 J/g. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polyamide in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber is a plasmonic resonance absorber having absorption at wavelengths ranging from 800 nm to 4000 nm and having transparency at wavelengths ranging from 400 nm to 780 nm.Type: ApplicationFiled: June 19, 2018Publication date: March 3, 2022Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Patent number: 11235521Abstract: This disclosure relates to a method of 3-D printing comprising: applying a layer of build material onto a print platform, wherein the build material comprises particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group; printing a de-protecting agent at selected locations on the layer of build material; and coalescing particles of the polymer at the printed locations on the layer of build material to form a coalesced polymer layer.Type: GrantFiled: July 14, 2017Date of Patent: February 1, 2022Assignee: Hewlett-Packard Development, L.P.Inventors: Shannon Reuben Woodruff, Ali Emamjomeh, Yi Feng, Erica Fung, Carolin Fleischmann, Geoffrey Schmid
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Publication number: 20210402682Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyamide having: an avalanche angle ranging from about 35 degrees to about 55 degrees; a break energy ranging from about 25 kJ/kg to about 57 kJ/kg; and an avalanche energy ranging from about 7 kJ/kg to about 22 kJ/kg. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polyamide in the at least the portion.Type: ApplicationFiled: June 19, 2018Publication date: December 30, 2021Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Publication number: 20210403749Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a thermoplastic elastomer having: an avalanche angle ranging from about 49 degrees to about 59 degrees; a break energy ranging from about 55 kJ/kg to about 78 kJ/kg; and an avalanche energy ranging from about 10 kJ/kg to about 27 kJ/kg. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the thermoplastic elastomer in the at least the portion.Type: ApplicationFiled: June 18, 2018Publication date: December 30, 2021Inventors: Erica Fung, Carolin Fleischmann, Jasiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack