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1. 发明申请

WO2022025876A1 THREE-DIMENSIONAL PRINTING 审中-公开
公开(公告)号：WO2022025876A1
公开(公告)日：2022-02-03
申请号：PCT/US2020/043990
申请日：2020-07-29
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： RUDISILL, Stephen G. , NAUKA, Krzysztof , DISCEKICI, Emre Hiro
IPC分类号： B29C64/165 , B33Y10/00 , B33Y40/10 , B33Y70/00
摘要： An example of an ultraviolet (UV) light fusing agent for three-dimensional (3D) printing includes a UV light absorber and a liquid vehicle. The UV light absorber consists of a fluorescent yellow dye. The liquid vehicle includes a surfactant, a co-solvent, and a balance of water. The UV light fusing agent is devoid of a saccharide.

2. 发明申请

WO2021247023A1 THREE-DIMENSIONAL PRINTING WITH ORGANIC DYE RADIATION ABSORBERS 审中-公开
公开(公告)号：WO2021247023A1
公开(公告)日：2021-12-09
申请号：PCT/US2020/036042
申请日：2020-06-04
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： DISCEKICI, Emre Hiro , NAUKA, Krzysztof , WOODRUFF, Shannon Reuben , RUDISILL, Stephen G.
IPC分类号： B22F3/105 , B22F7/02 , B33Y30/00 , B33Y70/10 , B29C64/165 , B33Y10/00 , B33Y70/00
摘要： A three-dimensional printing kit can include a polymeric build material including from about (80) wt% to (100) wt% polymer particles having an average particle size from about (10) μm to about (150) μm, and can also include a fusing agent including an aqueous liquid vehicle and from about (2) wt% to about (20) wt% of a mixture of organic dye radiation absorbers. The mixture of organic dye radiation absorbers can include a charged yellow water-soluble organic dye and a cyan water-soluble organic dye. The mixture of the organic dye radiation absorbers can be from about (1) wt% to about (40) wt% soluble in water.

3. 发明申请

WO2021071514A1 MULTI-FLUID KITS FOR THREE-DIMENSIONAL PRINTING 审中-公开
公开(公告)号：WO2021071514A1
公开(公告)日：2021-04-15
申请号：PCT/US2019/055874
申请日：2019-10-11
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： DISCEKICI, Emre Hiro , SABO, Thomas M. , RUDISILL, Stephen G. , SCHISSLER, Dennis J.
IPC分类号： B29C64/165 , B29C70/88 , B33J10/00 , B33Y70/10
摘要： A multi-fluid kit for three-dimensional printing can include a fusing agent and a coloring agent. The fusing agent can include an electromagnetic radiation absorber in a first liquid vehicle. The electromagnetic radiation absorber can absorb radiation energy and can convert the radiation energy to heat. The coloring agent can include a magenta rhodamine dye and a fluorescence quenching iodide salt in a second liquid vehicle. A molar ratio of the magenta rhodamine dye to the fluorescence quenching iodide salt can range from about 1:1 to about 1:10.

4. 发明申请

WO2018174890A1 INFRARED ABSORBING NANOPARTICLE(S) 审中-公开
公开(公告)号：WO2018174890A1
公开(公告)日：2018-09-27
申请号：PCT/US2017/023835
申请日：2017-03-23
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： KABALNOV, Alexey S , TANCHANGCO, Daniel , RUDISILL, Stephen G.
IPC分类号： C01G41/00 , C01G41/02 , C09D11/03 , C09D11/033 , B82Y99/00 , B33Y70/00 , B82Y30/00
CPC分类号： C09D11/037 , B33Y70/00 , B82Y30/00 , C09D11/033 , C09D11/322 , C09D11/328
摘要： A nanoparticle used in 3D printing is disclosed herein. In an example, the nanoparticle can comprise: at least one metal oxide, which absorbs infrared light in a range of from about 780 nm to about 2300 nm and is shown in formula (1): M m M'O n (1) wherein M is an alkali metal, m is greater than 0 and less than 1, M' is any metal, and n is greater than 0 and less than or equal to 4; and a bilayer-forming surfactant encapsulating at least a portion of the metal oxide, wherein the nanoparticle has a diameter of from about 0.1 nm to about 500 nm.

5. 发明申请

WO2020251543A1 THREE-DIMENSIONAL PRINTING WITH DIHYDRAZIDE ANTIOXIDANTS 审中-公开
公开(公告)号：WO2020251543A1
公开(公告)日：2020-12-17
申请号：PCT/US2019/036414
申请日：2019-06-10
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： WOODRUFF, Shannon Reuben , DISCEKICI, Emre Hiro , FLEISCHMANN, Carolin , RUDISILL, Stephen G.
IPC分类号： B29C64/165 , B33Y10/00 , B33Y70/10
摘要： The present 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 and a second fluid agent. The fusing agent can include water, a polar organic solvent having a boiling point from about 200 °C to about 320 °C, and a radiation absorber. The radiation absorber can absorb radiation energy and convert the radiation energy to heat. The fusing agent or the second fluid agent can include a dihydrazide antioxidant.

6. 发明申请

WO2019203792A1 TEXTILE PRINTING WITH INKJET INKS 审中-公开
公开(公告)号：WO2019203792A1
公开(公告)日：2019-10-24
申请号：PCT/US2018/027796
申请日：2018-04-16
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： LEBRON, Hector , FIOR, Raffaella , RUDISILL, Stephen G. , TANDY, Jesiska , KABALNOV, Alexey S.
IPC分类号： C09D11/30 , C09D11/322 , C09D11/38 , C09D11/101 , D06P5/20 , D06P5/30
摘要： A printing method includes selecting an inkjet ink including a pigment, and selecting an active agent, including an electromagnetic radiation-absorbing active material, and an aqueous or non-aqueous vehicle. The method further includes inkjet printing the inkjet ink and the active agent directly onto a textile fabric. The textile fabric having the ink and active agent thereon is exposed to electromagnetic radiation.

7. 发明申请

WO2018080630A1 DISPERSION AND JETTABLE COMPOSITION CONTAINING METAL OXIDE NANOPARTICLES 审中-公开
标题翻译：包含金属氧化物纳米粒子的分散体和可流动组合物
公开(公告)号：WO2018080630A1
公开(公告)日：2018-05-03
申请号：PCT/US2017/049382
申请日：2017-08-30
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： KABALNOV, Alexey S. , RUDISILL, Stephen G.
IPC分类号： C09D11/03 , B82Y30/00 , B33Y70/00
摘要： Disclosed herein is a water-based dispersion, which includes metal oxide nanoparticles and a zwitterionic stabilizer. More specifically, the dispersion comprises a metal oxide nanoparticle having the formula (1) MmM'On, wherein M is an alkali metal, m is greater than 0 and less than 1, M' is any metal, and n is greater than 0 and less than or equal to 4; a zwitterionic stabilizer; and a balance of water. Also disclosed herein is a jettable composition, which includes metal oxide nanoparticles having the formula (1) MmM'On wherein M is an alkali metal, m is greater than 0 and less than 1, M' is any metal, and n is greater than 0 and less than or equal to 4; a zwitterionic stabilizer; a surfactant; and a balance of water.
摘要翻译：本文公开了一种水基分散体，其包括金属氧化物纳米粒子和两性离子稳定剂。更具体地，分散体包含具有式（1）MmM'On的金属氧化物纳米颗粒，其中M是碱金属，m大于0且小于1，M'是任何金属，并且n大于0且小于或等于4; 两性离子稳定剂; 和一个水的平衡。本文还公开了一种可喷射组合物，其包含具有式（1）MmM'On的金属氧化物纳米粒子，其中M是碱金属，m大于0且小于1，M'是任何金属，并且n大于 0且小于或等于4; 两性离子稳定剂; 表面活性剂; 和一个水的平衡。

8. 发明申请

WO2017196328A1 THREE-DIMENSIONAL (3D) PRINTING 审中-公开
标题翻译：三维（3D）印刷
公开(公告)号：WO2017196328A1
公开(公告)日：2017-11-16
申请号：PCT/US2016/032023
申请日：2016-05-12
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： RUDISILL, Stephen G. , KABALNOV, Alexey S. , ERICKSON, Kristopher J. , TOM, Howard S. , ZHAO, Lihua
IPC分类号： B29C67/00 , B33Y70/00 , B33Y10/00 , B33Y50/02
摘要： In an example of a three-dimensional (3D) printing method, a crystalline or semi-crystalline build material is applied. A temperature of the crystalline or semi-crystalline build material is maintained within 100°C below a melting point of the crystalline or semi-crystalline build material. A melt flow property reduction agent is applied to at least a portion of the crystalline or semi-crystalline build material, and the at least the portion of the crystalline or semi-crystalline build material in contact with the melt flow property reduction agent melts or coalesces at the temperature.
摘要翻译：在三维（3D）印刷方法的例子中，应用结晶或半结晶构建材料。结晶或半结晶构建材料的温度保持在低于结晶或半结晶构建材料的熔点的100℃以内。将熔体流动性降低剂施加到至少一部分结晶或半结晶构建材料上，并且与熔体流动性降低剂接触的至少一部分结晶或半结晶构建材料熔化或聚结在这个温度下。

9. 发明申请

WO2017188966A1 MATERIAL SETS 审中-公开
标题翻译：材料组
公开(公告)号：WO2017188966A1
公开(公告)日：2017-11-02
申请号：PCT/US2016/029891
申请日：2016-04-28
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： PRASAD, Keshava A. , KABALNOV, Alexey S. , RUDISILL, Stephen G. , EMAMJOMEH, Ali , NOVICK, Michael , GUTIERREZ, Bernardo A.
IPC分类号： C09D11/037 , C09C1/48 , B29C67/00
摘要： The present disclosure is drawn to material sets and 3-dimensional printing systems that include a fusing agent. One example of a material set can include a fusing agent and a detailing agent. The fusing agent can include water, a carbon black pigment, and a water-soluble co-solvent in an amount from 20 wt% to 60 wt%. The detailing agent can include water and a black dye. In another example, a material set can include a fusing agent and a thermoplastic polymer powder.
摘要翻译：本公开涉及包括熔合剂的材料组和三维印刷系统。材料组的一个例子可以包括熔合剂和详细代理。所述熔剂可以包含20重量％至60重量％的量的水，炭黑颜料和水溶性共溶剂。细节剂可以包括水和黑色染料。在另一个例子中，材料组可以包括熔合剂和热塑性聚合物粉末。

10. 发明申请

WO2017188965A1 MATERIAL SETS 审中-公开
公开(公告)号：WO2017188965A1
公开(公告)日：2017-11-02
申请号：PCT/US2016/029885
申请日：2016-04-28
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： PRASAD, Keshava A. , KABALNOV, Alexey S. , RUDISILL, Stephen G. , EMAMJOMEH, Ali , NOVICK, Michael , GUTIERREZ, Bernardo A.
IPC分类号： B29C67/00 , B33Y70/00 , B33Y30/00
摘要： The present disclosure is drawn to material sets and 3-dimensional printing systems that include a fusing agent. One example of a material set can include a fusing agent and a detailing agent. The fusing agent can include water, a carbon black pigment, and a water-soluble co-solvent in an amount from 20 wt% to 60 wt%. The detailing agent can include water and a black dye. In another example, a material set can include a fusing agent and a thermoplastic polymer powder.

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