公开(公告)号：US12287607B2

公开(公告)日：2025-04-29

申请号：US17728966

申请日：2022-04-25

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Shimpei Takagi ,  Sakae Takeuchi ,  Yuka Zenitani ,  Koji Sasaki ,  Yoshifumi Eri ,  Mai Mochida

IPC: G03G9/097 ,  G03G9/08 ,  G03G9/087

Abstract: An electrostatic charge image developing toner contains toner particles and silica particles that are added to an exterior of the toner particles and contain a nitrogen element-containing compound containing a molybdenum element, in which in the silica particles, a ratio (Mo/Si) of Net intensity of the molybdenum element to Net intensity of a silicon element measured by X-ray fluorescence analysis is 0.035 or more and 0.35 or less.

公开(公告)号：US11866340B2

公开(公告)日：2024-01-09

申请号：US16997541

申请日：2020-08-19

Applicant: FUJIFILM BUSINESS INNOVATION CORP.

Inventor： Yuka Zenitani ,  Koji Sasaki ,  Sakae Takeuchi ,  Yoshifumi Eri ,  Takahiro Mizuguchi

IPC: C01B33/18 ,  C09C1/30

CPC classification number: C01B33/18 ,  C09C1/3054 ,  C09C1/3081 ,  C01P2004/64 ,  C01P2006/16

Abstract: A silica particle includes: a quaternary ammonium salt, in which the following expressions are satisfied, 0.90≤FBEFORE/FAFTER≤1.10, and 5≤FSINTERING/FBEFORE≤20, in which FBEFORE represents a maximum frequency value of a pore diameter of 2 nm or less in the silica particles before washing, which is obtained from a pore distribution curve in a nitrogen gas adsorption method, FAFTER represents a maximum frequency value of the pore diameter of 2 nm or less in the silica particles after washing, which is obtained from the pore distribution curve in the nitrogen gas adsorption method, and FSINTERING represents a maximum frequency value of the pore diameter of 2 nm or less in the silica particles before washing and after sintering at 600° C., which is obtained from the pore distribution curve in the nitrogen gas adsorption method.

公开(公告)号：US11795302B2

公开(公告)日：2023-10-24

申请号：US17157208

申请日：2021-01-25

Applicant: FUJIFILM BUSINESS INNOVATION CORP.

Inventor： Koji Sasaki ,  Takahiro Mizuguchi ,  Yuka Zenitani ,  Sakae Takeuchi ,  Yoshifumi Eri

IPC: C08K9/02 ,  C08K9/06 ,  C08K3/36 ,  C08K5/5445 ,  C08K5/19 ,  C08G63/20 ,  C08K3/08

CPC classification number: C08K9/02 ,  C08G63/20 ,  C08K3/08 ,  C08K3/36 ,  C08K5/19 ,  C08K5/5445 ,  C08K9/06 ,  C08K2003/0812

Abstract: Resin particles include resin base particles and silica particles on surfaces of the resin base particles. The silica particles contain a quaternary ammonium salt and have hydrophobized surfaces. A difference (detection temperature A−detection temperature B) between a detection temperature A and a detection temperature B is more than 50° C., where the detection temperature A is a detection temperature from a pyrolysis product of the quaternary ammonium salt determined by pyrolysis mass spectrometry of the resin particles before cleaning, and the detection temperature B is a detection temperature from the pyrolysis product of the quaternary ammonium salt determined by pyrolysis mass spectrometry of the resin particles after cleaning.

公开(公告)号：US11535757B2

公开(公告)日：2022-12-27

申请号：US16903385

申请日：2020-06-17

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Yoshifumi Eri ,  Takahiro Mizuguchi ,  Sakae Takeuchi ,  Yuka Zenitani ,  Koji Sasaki

IPC: C09C1/30

Abstract: An organic substance-attached porous inorganic oxide particle including porous inorganic oxide particle and an organic substance attached to the surface of the porous inorganic oxide particle. The organic substance-attached porous inorganic oxide particle satisfies a formula below (Cf−Ce)/2>1 where Cf represents the amount of carbon (atom %) measured by subjecting the surface of the particle to X-ray photoelectron spectroscopy (XPS) after the particle is washed, and Ce represents the amount of carbon (atom %) measured by subjecting the surface of the particle to X-ray photoelectron spectroscopy (XPS) after two-minute surface etching of the particle.

公开(公告)号：US11083200B2

公开(公告)日：2021-08-10

申请号：US16255847

申请日：2019-01-24

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Hiroyoshi Okuno ,  Hideaki Yoshikawa ,  Takeshi Iwanaga ,  Sakae Takeuchi ,  Yuka Zenitani ,  Yasuhiro Kusumoto

IPC: A01N55/02 ,  B01J21/08 ,  B01J21/06 ,  B01J31/02 ,  B01J35/00 ,  B01J31/38 ,  B01J35/02

Abstract: A plant protection agent includes a photocatalyst particle containing a titanium oxide compound. The surface of the photocatalyst particle is modified with a metal compound that includes a metal atom and a hydrocarbon group. The photocatalyst particle has absorption at a wavelength of 550 nm.

公开(公告)号：US12251956B2

公开(公告)日：2025-03-18

申请号：US18605803

申请日：2024-03-14

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Sumiaki Yamasaki ,  Sakae Takeuchi ,  Hiroshi Saegusa ,  Yoichiro Emura ,  Yoshifumi Iida ,  Satoshi Kamiwaki ,  Susumu Yoshino

IPC: B42D25/46 ,  B32B37/00 ,  B32B37/10 ,  B32B37/12 ,  B32B37/30 ,  B32B38/14 ,  B32B38/18 ,  B42D15/04 ,  B42D25/465 ,  C08F212/08 ,  C08F220/18 ,  C08L25/14

Abstract: A method for producing a printed material includes forming a color image having an image area ratio of 20% or less on a peripheral edge portion of a recording medium by using a coloring material; providing pressure-induced phase transition particles to a region of the recording medium, the region including the peripheral edge portion; bonding the color image and the pressure-induced phase transition particles onto the recording medium; and folding the recording medium having the color image and the pressure-induced phase transition particles bonded thereon and pressure-bonding the folded recording medium, or pressure-bonding the recording medium having the color image and the pressure-induced phase transition particles bonded thereon and another recording medium placed on top of each other. The pressure-induced phase transition particles contain a styrene resin and a (meth)acrylic acid ester resin, the styrene resin contains styrene and a vinyl monomer other than styrene as polymerization components, the (meth)acrylic acid ester resin contains at least two (meth)acrylic acid esters as polymerization components, and a mass ratio of the (meth)acrylic acid esters is 90 mass % or more of a total of all polymerization components of the (meth)acrylic acid ester resin. The pressure-induced phase transition particles have at least two glass transition temperatures, and a difference between the lowest glass transition temperature and the highest glass transition temperature among the glass transition temperatures of the pressure-induced phase transition particles is 30° C. or more.

公开(公告)号：US12077443B2

公开(公告)日：2024-09-03

申请号：US17649692

申请日：2022-02-02

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Yuka Zenitani ,  Sakae Takeuchi ,  Koji Sasaki ,  Yoshifumi Eri ,  Mai Mochida

IPC: C01B33/149

CPC classification number: C01B33/149 ,  C01P2002/86 ,  C01P2004/32 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/16

Abstract: Silica particles include a nitrogen-containing compound. When the volumes of pores having a diameter of 1 nm or more and 50 nm or less, the volumes being determined from a pore size distribution curve of the silica particles before and after the silica particles are baked at 350° C., the pore size distribution curve being obtained by nitrogen gas adsorption, are defined as A and B, respectively, B/A is 1.2 or more and 5 or less and B is 0.2 cm3/g or more and 3 cm3/g or less.

公开(公告)号：US11547069B2

公开(公告)日：2023-01-10

申请号：US16528636

申请日：2019-08-01

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Takeshi Iwanaga ,  Hiroyoshi Okuno ,  Hideaki Yoshikawa ,  Sakae Takeuchi

IPC: A01G31/02 ,  C02F1/72 ,  B01J21/06 ,  B01J21/08 ,  B01J35/00 ,  B01J35/10 ,  B01J35/02 ,  C02F1/30 ,  A01G31/00 ,  C02F103/26

Abstract: Water purification particles have porous particles and photocatalyst particles formed of titanium-based compound particles that are supported on the porous particles, have absorption at a wavelength of 500 nm in a visible absorption spectrum, and have an absorption peak at 2,700 cm−1 to 3,000 cm−1 in an infrared absorption spectrum, and a metal compound having a metal atom and a hydrocarbon group is bonded to the surface of each of the titanium-based compound particles through an oxygen atom.

公开(公告)号：US11235593B2

公开(公告)日：2022-02-01

申请号：US16937724

申请日：2020-07-24

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Yoshifumi Iida ,  Satoshi Kamiwaki ,  Sakae Takeuchi ,  Satomi Kashiwagi

IPC: B32B38/00 ,  B32B27/08 ,  B32B27/30 ,  B32B37/10 ,  B32B7/12 ,  B41J11/00

Abstract: A method for forming a printed material includes forming an image on a recording medium; applying particles to a surface of the recording medium, the surface having the image formed thereon; heating the particles applied to the recording medium; and pressurizing, in a thickness direction, a multilayer body obtained by folding the recording medium so that the heated particles are sandwiched between flaps of the recording medium or a multilayer body obtained by placing another medium on top of the recording medium with the heated particles therebetween. The particles contain a styrene resin and a (meth)acrylic acid ester resin. The (meth)acrylic acid ester resin contains two (meth)acrylic acid ester monomer units, and a mass ratio of the (meth)acrylic acid ester monomer units relative to a total of polymerization components is 90 mass % or more.