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公开(公告)号：US12091566B2
公开(公告)日：2024-09-17
申请号：US17799699
申请日：2020-03-04
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Emre Hiro Discekici , Shannon Reuben Woodruff , Jacob Wright , Graciela Emma Negri Jimenez
IPC: B29C64/165 , B33Y10/00 , B33Y70/00 , C09D11/033 , C09D11/037 , C09D11/106 , C09D11/322 , C09D11/38 , B29K105/00 , B29K105/24
CPC classification number: C09D11/38 , B29C64/165 , B33Y10/00 , B33Y70/00 , C09D11/033 , C09D11/037 , C09D11/106 , C09D11/322 , B29K2105/0032 , B29K2105/24 , B29K2105/251
Abstract: 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.
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公开(公告)号：US12070899B2
公开(公告)日：2024-08-27
申请号：US17637658
申请日：2019-10-23
Applicant: Hewlett-Packard Development Company, L.P.
IPC: B29C64/165 , B29C64/264 , B33Y10/00 , B33Y30/00 , B33Y70/10 , B29K105/00 , B29K505/08
CPC classification number: B29C64/165 , B29C64/264 , B33Y10/00 , B33Y30/00 , B33Y70/10 , B29K2105/0032 , B29K2105/005 , B29K2105/251 , B29K2505/08
Abstract: This disclosure describes three-dimensional printing kits, methods of making three-dimensional printed objects, and systems for three-dimensional printing. In one example, 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 redox-active inorganic salt mixed with the polymer particles. The fusing agent can include water and an electromagnetic radiation absorber, wherein the electromagnetic radiation absorber absorbs electromagnetic radiation energy and converts the electromagnetic radiation energy to heat.
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公开(公告)号：US20230050446A1
公开(公告)日：2023-02-16
申请号：US17788350
申请日：2020-01-09
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Emre Hiro Discekici , Graciela Emma Negri Jimenez , Shannon Reuben Woodruff , Jason Christopher Butler
IPC: B29C64/165
Abstract: 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.
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公开(公告)号：US11643565B2
公开(公告)日：2023-05-09
申请号：US16605317
申请日：2018-02-06
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Alexey S Kabalnov , Stephen G Rudisill , Jesiska Tandy , Graciela Emma Negri Jimenez , Shannon Reuben Woodruff , Jason Butler
IPC: C09D11/322 , B33Y10/00 , B29C64/165 , B33Y70/10 , C09D11/037 , C09D11/10 , C09D11/324 , C09D11/38 , B29K105/00 , B29K509/02 , B29K509/08
CPC classification number: C09D11/322 , B29C64/165 , B33Y10/00 , B33Y70/10 , C09D11/037 , C09D11/10 , C09D11/324 , C09D11/38 , B29K2105/0005 , B29K2509/02 , B29K2509/08 , B29K2995/0021
Abstract: 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.
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公开(公告)号：US20230081448A1
公开(公告)日：2023-03-16
申请号：US17799699
申请日：2020-03-04
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Emre Hiro Discekici , Shannon Reuben Woodruff , Jacob Wright , Graciela Emma Negri Jimenez
IPC: C09D11/38 , B29C64/165 , B33Y70/00 , B33Y10/00 , C09D11/037 , C09D11/033 , C09D11/106 , C09D11/322
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US20220332044A1
公开(公告)日：2022-10-20
申请号：US17293266
申请日：2019-07-15
Applicant: Hewlett-Packard Development Company, L.P.
IPC: B29C64/165 , B29C64/153 , B22F10/14 , B33Y10/00 , B33Y70/00
Abstract: 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.
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公开(公告)号：US20220152919A1
公开(公告)日：2022-05-19
申请号：US17298651
申请日：2019-08-06
Applicant: Hewlett-Packard Development Company, L.P.
IPC: B29C64/165 , B33Y10/00 , B33Y70/00
Abstract: 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. The multi-fluid kit can also include a detailing agent including an aqueous liquid vehicle and from about 1 wt % to about 12 wt % polyelectrolyte solubilized in the aqueous liquid vehicle at from about 90 wt % to 100 wt %. The polyelectrolyte can have a weight average molecular weight from about 1,000 Mw to about 12,000 Mw and can be water-absorbent at a water to polyelectrolyte weight ratio from about 2:1 to about 1,000:1.
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公开(公告)号：US12179424B2
公开(公告)日：2024-12-31
申请号：US17788350
申请日：2020-01-09
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Emre Hiro Discekici , Graciela Emma Negri Jimenez , Shannon Reuben Woodruff , Jason Christopher Butler
IPC: B29C64/165 , B33Y10/00 , B33Y70/00
Abstract: 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.
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公开(公告)号：US12179423B2
公开(公告)日：2024-12-31
申请号：US17777776
申请日：2019-12-11
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Abstract: 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.
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公开(公告)号：US12109757B2
公开(公告)日：2024-10-08
申请号：US17298651
申请日：2019-08-06
Applicant: Hewlett-Packard Development Company, L.P.
IPC: B29C64/165 , B29C64/188 , B33Y10/00 , B33Y70/00
CPC classification number: B29C64/165 , B29C64/188 , B33Y10/00 , B33Y70/00 , B29K2995/0092
Abstract: 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. The multi-fluid kit can also include a detailing agent including an aqueous liquid vehicle and from about 1 wt % to about 12 wt % polyelectrolyte solubilized in the aqueous liquid vehicle at from about 90 wt % to 100 wt %. The polyelectrolyte can have a weight average molecular weight from about 1,000 Mw to about 12,000 Mw and can be water-absorbent at a water to polyelectrolyte weight ratio from about 2:1 to about 1,000:1.
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