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公开(公告)号：US20180272782A1
公开(公告)日：2018-09-27
申请号：US15763663
申请日：2015-12-03
Applicant: Hewlett-Packard Development Company, L.P.
CPC classification number: B41M7/0036 , B41J11/00 , B41J11/0005 , B41J11/0015 , B41J11/002 , B41M7/0018 , C09D11/30 , C09D11/40 , C09D11/54
Abstract: An inkjet printer can include an inkjet printhead to print an image on a print medium, and a dryer to reduce or remove moisture from the image. A post-printing treatment fluid can also be present which can include water and a flatness control agent, the flatness control agent including an organic solvent with three or more hydroxyl groups, and a vapor pressure less than 2×10−4 mmHg. A fluid dispenser can be included to apply the post-printing treatment fluid on the print medium after the moisture from the image is reduced or removed. Additionally, the printer can include a mechanical calendering device to apply pressure to the print medium after application and while the print medium is still moistened by the post-printing treatment fluid.
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公开(公告)号：US20170368861A1
公开(公告)日：2017-12-28
申请号：US15539940
申请日：2015-01-23
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Bor-Jiunn Niu , Tao Chen , Haigang Chen , Haowen Yu , Silke Courtenay
IPC: B41M5/52
CPC classification number: B41M5/5254 , B41M5/52 , B41M5/5218 , B41M5/5227 , B41M5/5236 , B41M5/5245
Abstract: The present disclosure is drawn to coated print media, a method of preparing print media, and a printing system. The coated print media can comprise a substrate and a coating applied to the substrate. The coating can include, by dry weight, 5 wt % to 60 wt % of a polymeric binder having a Tg below 50 C, 10 wt % to 60 wt % of cationic latex having a Tg from 50 C to 130 C, 5 wt % to 30 wt % of a multivalent cationic salt, and 2 wt % to 25 wt % of a high density polyethylene wax.
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公开(公告)号：US11034856B2
公开(公告)日：2021-06-15
申请号：US15569346
申请日：2015-08-28
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Bor-Jiunn Niu , Tao Chen , Haigang Chen , Silke Courtenay
IPC: C09D175/00 , C09D175/04 , D21H19/20 , C09D109/04 , B41M5/52 , D21H19/24 , D21H17/36 , D21H19/60 , D21H17/57 , D21H19/62 , C08L9/04 , C09D7/65 , C09D7/63 , C09D129/04 , C08L3/02 , C09D11/38
Abstract: The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a polyurethane dispersion. The primer competitions can also include a cationic salt and water.
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公开(公告)号：US20190322113A1
公开(公告)日：2019-10-24
申请号：US16311066
申请日：2016-10-26
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Fereshteh Khorrami , Xulong Fu , Beverly Chou , Tao Chen
Abstract: An example of a printable recording medium includes a base substrate and an ink-receiving layer. The ink-receiving layer includes an inorganic pigment in an amount equal to or greater than 70 wt % and an ink-fixing agent in an amount ranging from about 3 wt % to about 10 wt % based on the total wt % of the ink-receiving layer. The inorganic pigment has a median particle size ranging from about 0.5 μm to about 5 μm. The ink-receiving layer excludes precipitated calcium carbonate.
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公开(公告)号：US10336118B2
公开(公告)日：2019-07-02
申请号：US15763663
申请日：2015-12-03
Applicant: Hewlett-Packard Development Company, L.P.
Abstract: An inkjet printer can include an inkjet printhead to print an image on a print medium, and a dryer to reduce or remove moisture from the image. A post-printing treatment fluid can also be present which can include water and a flatness control agent, the flatness control agent including an organic solvent with three or more hydroxyl groups, and a vapor pressure less than 2×10−4 mmHg. A fluid dispenser can be included to apply the post-printing treatment fluid on the print medium after the moisture from the image is reduced or removed. Additionally, the printer can include a mechanical calendering device to apply pressure to the print medium after application and while the print medium is still moistened by the post-printing treatment fluid.
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Patent Agency Ranking
公开(公告)号：US10286712B2
公开(公告)日：2019-05-14
申请号：US15764753
申请日：2015-12-10
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Xiaoqi Zhou , Xulong Fu , Tao Chen
Abstract: A coated print medium can include a base stock having a basis weight of 35 gsm to 250 gsm, and a coating layer applied to the base stock at from 1 gsm to 50 gsm by dry weight. The base stock can include from 65 wt % to 95 wt % cellulose fiber with 20 wt % to 100 wt % being mechanical pulp, and from 5 wt % to 35 wt % inorganic pigment filler. The coating layer can include inorganic pigment particles having an average equivalent spherical diameter from 0.2 μm to 3.5 μm; a fixative agent including metal salt, cationic amine polymer, quaternary ammonium salt, quaternary phosphonium salt, or mixture thereof; and a polymer blend including water soluble polymer and water dispersible polymer having a Zeta potential greater than −40 mV, wherein a weight ratio water soluble polymer to water dispersible polymer is from 1:25 to 1:1.
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公开(公告)号：US20180086935A1
公开(公告)日：2018-03-29
申请号：US15569540
申请日：2015-08-28
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Bor-Jiunn Niu , Tao Chen
CPC classification number: C09D129/04 , D21H17/60 , D21H17/66 , D21H17/74 , D21H19/18 , D21H19/20 , D21H19/60 , D21H19/82 , D21H19/84 , C08K3/10
Abstract: The present disclosure is drawn to primer compositions, which can include a polyvinyl alcohol, a cationic salt, and water. The polyvinyl alcohol can be present in an amount of at least 8 wt % of all dry components of the primer composition. The cationic salt can be present in an amount of at least 15 wt % of all dry components of the primer composition. The polyvinyl alcohol and cationic salt together can make up at least 30 wt % of all dry components of the primer composition.
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公开(公告)号：US20230219359A1
公开(公告)日：2023-07-13
申请号：US18009931
申请日：2020-06-25
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Xiaoqi Zhou , Xulong Fu , Tao Chen
IPC: B41M5/50 , B41M5/52 , C09D103/02 , C09D11/54
CPC classification number: B41M5/504 , B41M5/506 , B41M5/508 , B41M5/5236 , B41M5/5254 , C09D103/02 , C09D11/54 , B41M5/5218
Abstract: A packaging print medium can include a cellulose-based substrate having a printing side and a back side, a fixative sizing layer on a printing side of the cellulose-based substrate, a primer layer on the back side of the cellulose-based substrate, and a hydrophobic moisture barrier including a hydrophobic polymer film on the primer layer. The fixative sizing layer can have a thickness from 0.5 μm to 15 μm and can include a multivalent metal salt and a starch sizing agent. The primer layer can have a thickness from 0.5 μm to 15 μm and can include a styrene-butadiene film. The hydrophobic moisture barrier can have a thickness from 0.5 μm to 10 μm.
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公开(公告)号：US10723896B2
公开(公告)日：2020-07-28
申请号：US16331189
申请日：2017-01-31
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Zhang-Lin Zhou , Rodney David Stramel , Tao Chen , Bor-Jiunn Niu , Gregg A. Lane
Abstract: The present disclosure relates to an inkjet printing process that comprises applying a radiation-curable primer composition onto a substrate to form a primer layer. The primer composition comprises a curable polyurethane dispersion, a photoinitiator and water. An inkjet ink composition is inkjet printed onto the primer layer as a printed inkjet ink layer. The inkjet ink composition comprises a colorant, a curable polyurethane dispersion, a photoinitiator and water. The curable polyurethane is dispersed in the inkjet ink composition in an amount of composition is 0.1 to 30 weight % of the inkjet ink composition. The printed inkjet ink layer is cured on the substrate by exposing both the primer layer and printed inkjet ink layer on the substrate to radiation.
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公开(公告)号：US20190270330A1
公开(公告)日：2019-09-05
申请号：US16462484
申请日：2017-03-29
Applicant: Hewlett-Packard Development Company, L.P.
Abstract: A printable recording media comprising a supporting base substrate and a coating layer that contains a fixative agent and a binder system including a combination of water soluble binder and water dispersible binder. Also, described herein, is a method for making said printable recording media.
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