公开(公告)号：US10286711B2

公开(公告)日：2019-05-14

申请号：US15763957

申请日：2015-12-10

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Tao Chen ,  Xiaoqi Zhou ,  Xulong Fu ,  Silke Courtenay

IPC: B41M5/50 ,  B05D5/04 ,  B41M5/30 ,  B41J2/01 ,  B41M5/52

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 80 wt % to 100 wt % being chemical 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.

公开(公告)号：US10272709B2

公开(公告)日：2019-04-30

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

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.

公开(公告)号：US09920481B2

公开(公告)日：2018-03-20

申请号：US15119620

申请日：2014-04-28

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Tao Chen ,  Xulong Fu ,  Thomas Roger Oswald ,  Silke Courtenay ,  Christopher Arend Toles

IPC: D21H11/10 ,  D21H11/02 ,  D21H17/52 ,  D21H17/55 ,  D21H17/56 ,  D21H21/16 ,  D21H21/20 ,  D21H11/08

CPC classification number: D21H11/02 ,  D21H11/08 ,  D21H11/10 ,  D21H17/52 ,  D21H17/55 ,  D21H17/56 ,  D21H21/16 ,  D21H21/20

Abstract: A lightweight digital printing medium has a basis weight of less than 100 grams per square meter and includes a base paper. The base paper includes a fiber mixture of hardwood pulp and softwood pulp where at least 5% by weight of total fiber in the fiber mixture is bleached, chemi-thermo-mechanical pulp. An internal sizing agent for neutral or alkaline conditions and a wet-strength agent that is a thermosetting resin are mixed with the fiber mixture. An amount of the wet-strength agent added to the fiber mixture is at least 0.1% total dry weight of the base paper.

公开(公告)号：US09873279B2

公开(公告)日：2018-01-23

申请号：US15307298

申请日：2014-07-30

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Bor-Jiunn Niu ,  Tao Chen ,  Silke Courtenay

IPC: B41M5/00 ,  B41M5/52 ,  B41J11/00

CPC classification number: B41M5/529 ,  B41J11/002 ,  B41M5/5209 ,  B41M5/5281 ,  B41M2205/34

Abstract: A printable recording media containing a substrate and an ink receiving layer including an aqueous mixture of about 50 to about 99 wt % of an UV curable polyurethane dispersion and about 1 to about 50 wt % of a photo-initiator by total dry weight of said ink receiving layer. Also disclosed herein a method for making the printable recording media.

公开(公告)号：US09776430B2

公开(公告)日：2017-10-03

申请号：US14651178

申请日：2012-12-20

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Jason Swei ,  Xi Zeng ,  Tao Chen ,  Sandeep K Bangaru ,  Eric L Burch

IPC: B41J11/00 ,  C09D11/12 ,  C09D11/40

CPC classification number: B41J11/002 ,  B41J3/60 ,  B41J11/0015 ,  B41M7/0036 ,  C09D11/12 ,  C09D11/40

Abstract: A post-printing treatment for printed media includes a wax suspended in water. Particles of the wax to lie upon at least an inkjet ink image on the printed media to facilitate abrasion resistance of the image.

公开(公告)号：US20150044397A1

公开(公告)日：2015-02-12

申请号：US14369141

申请日：2012-01-17

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Xi Zeng ,  Tao Chen ,  Eric L. Burch

IPC: B41M5/50 ,  B41M5/52

CPC classification number: B41M5/502 ,  B41M5/506 ,  B41M5/5218 ,  B41M5/5236 ,  B41M5/5254 ,  B41M5/5263 ,  B41M7/0027 ,  B41M2205/40

Abstract: A recording medium includes a protective layer and a porous ink receiving layer. The protective layer includes a first binder and a first set of polymeric beads. The first set of polymeric beads has an average volume-based particle size equal to or greater than ten microns. The protective layer has a coat weight equal to or less than three grams per square meter. The recording medium also includes a porous ink receiving layer including a first set of pigments and a second binder.

Abstract translation: 记录介质包括保护层和多孔油墨接收层。 保护层包括第一粘合剂和第一组聚合物珠粒。 第一组聚合物珠具有等于或大于10微米的平均基于体积的粒度。 保护层的涂层重量等于或小于3克/平方米。 记录介质还包括多孔油墨接收层，其包括第一组颜料和第二粘合剂。

公开(公告)号：US11718119B2

公开(公告)日：2023-08-08

申请号：US17439205

申请日：2019-10-11

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Beverly Chou ,  Xiaoqi Zhou ,  Xulong Fu ,  Jake Thomas ,  Tao Chen

IPC: B41M5/52 ,  B41M5/00 ,  D21H19/40 ,  C08K3/22 ,  C08K3/34

CPC classification number: B41M5/5218 ,  B41M5/0017 ,  D21H19/40 ,  C08K3/22 ,  C08K3/346 ,  C08K2003/2227

Abstract: A coating composition for a base paper is described. The coating composition comprises a porous clay and an ink pigment fixation agent. The porous clay comprises an alumina-silicate, and has a surface area from 100 m2/g to 400 m2/g.

公开(公告)号：US11007807B2

公开(公告)日：2021-05-18

申请号：US16462484

申请日：2017-03-29

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Tao Chen ,  Xulong Fu

IPC: B41M5/50 ,  B41M5/52

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.

公开(公告)号：US10974531B2

公开(公告)日：2021-04-13

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

IPC: B41M5/50 ,  B41M5/52

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.

公开(公告)号：US10399375B2

公开(公告)日：2019-09-03

申请号：US15569585

申请日：2015-08-28

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Bor-Jiunn Niu ,  Tao Chen

IPC: B41M5/52 ,  C09D129/04 ,  D21H17/36 ,  D21H17/66 ,  D21H19/20 ,  D21H19/82 ,  C09D133/00 ,  D21H17/00

Abstract: The present disclosure is drawn to primer compositions, which can include a polyvinyl alcohol, a cationic salt, and water. The polyvinyl alcohol can have a weight average molecular weight from about 50,000 Mw to about 250,000 Mw. 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.