Patents Examined by Peter L. Vajda
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Patent number: 11415902Abstract: A toner comprising a resin that contains an amorphous segment and a crystalline segment as a binder resin, wherein a proportion of a tetrahydrofuran-insoluble matter of a resin component is from 40% by mass to 80% by mass; in differential scanning calorimeter measurement of the tetrahydrofuran-insoluble matter, where a temperature of a maximum endothermic peak is denoted by Tm [° C.] and an endothermic quantity is denoted by H(I) [J/g], the following formulas (1) and (2) are satisfied: 55.0?Tm?80.0??(1) 10.0?H(I)?80.0??(2).Type: GrantFiled: August 7, 2020Date of Patent: August 16, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Shuntaro Watanabe, Hiroki Akiyama, Hiroki Kagawa
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Patent number: 11415887Abstract: A resist composition comprising a base polymer and a quencher in the form of a salt of a cyclic ammonium cation with a carboxylate, sulfonamide, halogenated phenoxide or halide anion offers a high sensitivity and minimal LWR or improved CDU, independent of whether it is of positive or negative tone.Type: GrantFiled: February 11, 2020Date of Patent: August 16, 2022Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Jun Hatakeyama, Masaki Ohashi, Takayuki Fujiwara
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Patent number: 11409195Abstract: The present disclosure provides a photoresist. The photoresist is formed by a crosslinking polymerization reaction between a reactive group-containing biimidazole molecule and a nitrogen-containing compound.Type: GrantFiled: November 20, 2018Date of Patent: August 9, 2022Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wenliang Gong
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Patent number: 11397386Abstract: A toner comprising a toner particle that includes a binder resin, wherein in dynamic viscoelasticity measurement of the toner, the storage elastic modulus of the toner at 70° C. is from 0.10 MPa to 3.00 MPa, and in nanoindentation measurement of the toner, the surface storage elastic modulus of the toner at 25° C. under 150 ?N of load is from 2.80 GPa to 4.50 GPa.Type: GrantFiled: May 11, 2020Date of Patent: July 26, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Hirofumi Kyuushima, Yoshiaki Shiotari, Shintaro Noji, Mai Kato
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Patent number: 11397387Abstract: Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles including at least one resin, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the toner particles. The polymeric toner additive includes a polymeric resin including a fluorinated acrylic monomer, a cross-linkable monomer containing two or more vinyl groups at 8 wt % to 40 wt % of the polymeric resin, and optionally a charge control agent comprised of a nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.Type: GrantFiled: November 2, 2020Date of Patent: July 26, 2022Assignee: Xerox CorporationInventors: Richard Philip Nelson Veregin, Kimberly D. Nosella, Raysa Rodriguez Diaz, Melanie Lynn Davis, Cuong Vong
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Patent number: 11392053Abstract: The present disclosure relates to an electrophotographic printing method comprising electrophotographically printing a liquid electrophotographic composition onto a substrate. The liquid electrophotographic composition comprises a charge adjuvant and a copolymer of a) ethylene and b) methacrylic acid and/or acrylic acid, wherein 80 to 95 weight % of the units of said copolymer are derived from ethylene. The printed substrate is then subjected to electron beam (EB) radiation.Type: GrantFiled: April 30, 2019Date of Patent: July 19, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Boris Kaziev, Dani Tulchinski, Liora Braun, Einat Glick, Yair Gellis, Debby Margoy
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Patent number: 11392034Abstract: A resist composition comprising a carbonyloxyimide compound having an iodized or brominated aromatic ring has a high sensitivity and forms a pattern having improved LWR or CDU.Type: GrantFiled: August 2, 2019Date of Patent: July 19, 2022Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Jun Hatakeyama, Masaki Ohashi
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Patent number: 11392052Abstract: An electrostatic image developing toner includes a toner particle, an external additive A, and an external additive B. At least the external additive A is present on the surface of the toner particles. At least the external additive B is present on the external additive A. The number of peaks of the external additive B on the external additive A is 5 or more and 100 or less per 30 ?m peripheral length of the toner particle, the peaks having a height from the surface of the toner particle of 80 nm or more and 250 nm or less.Type: GrantFiled: August 4, 2020Date of Patent: July 19, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Yasuko Torii, Yosuke Tsurumi, Atsushi Sugawara, Yoshimasa Fujihara, Moegi Iguchi
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Patent number: 11385545Abstract: A resist underlayer composition and a method of forming patterns, the composition including a polymer including at least one of a first moiety represented by Chemical Formula 1-1 and a second moiety represented by Chemical Formula 1-2; a thermal acid generator including a salt composed of an anion of an acid and a cation of a base, the base having pKa of greater than or equal to about 7; and a solvent,Type: GrantFiled: September 3, 2019Date of Patent: July 12, 2022Assignee: SAMSUNG SDI CO., LTD.Inventors: Jaeyeol Baek, Shinhyo Bae, Yoojeong Choi, Soonhyung Kwon, Hyeon Park
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Patent number: 11385558Abstract: A toner has a toner particle containing a resin having an acid group, an aluminum pigment, and a fatty acid metal salt, wherein an acid value of the resin having an acid group is in a range of from 5 mg KOH/g to 25 mg KOH/g, and an amount of the resin having the acid group is 50% by mass or more; an amount of the aluminum pigment is in a range of from 10% by mass to 40% by mass; the fatty acid metal salt is represented by formula (R—COO)pM(OH)q; and an amount thereof is in a range of from 1 part by mass to 10 parts by mass based on 100 parts by mass of the aluminum pigment.Type: GrantFiled: June 16, 2020Date of Patent: July 12, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Yuya Chimoto, Kouichirou Ochi, Tomoyo Miyakai, Takashi Hirasa
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Patent number: 11366402Abstract: There is provided a process cartridge detachably attachable to a main body of an electrophotographic apparatus, the process cartridge including an electrophotographic photosensitive member and a charging member, wherein an outer surface of the charging member is composed of at least a matrix and at least a part of domains, a volume resistivity of the matrix is 1.0×105 times or more of a volume resistivity of the domain, an average value Sd of circle equivalent diameters of the domains observed on the outer surface of the charging member is in a predetermined range, the electrophotographic photosensitive member contains a support, a photosensitive layer, and a protective layer in this order and when a surface roughness of the protective layer is measured, each of a protruding valley portion Rvk, a load length ratio Mr2, and Sd/Rvk is in a predetermined range.Type: GrantFiled: October 14, 2020Date of Patent: June 21, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Yuka Ishiduka, Tsutomu Nishida, Hideharu Shimozawa, Nobuhiro Nakamura, Hiroyuki Watanabe, Kenichi Kaku, Kazuhiro Yamauchi, Yuichi Kikuchi, Kazuhisa Shida, Atsushi Okuda
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Patent number: 11360404Abstract: A toner comprising a toner particle that contains a binder resin and fine particles A at the surface of the toner particle, wherein the fine particles A are organosilicon polymer fine particles, the organosilicon polymer fine particles have a number-average primary particle diameter of 30 nm to 500 nm, the organosilicon polymer fine particles have an attachment index for a polycarbonate film of not more than 3.5, the organosilicon polymer fine particles penetrate into the toner particle in a penetration depth b (nm), and protrude from the toner particle in a protrusion height c (nm), and b and c satisfy 0.05?b/(b+c)?0.40.Type: GrantFiled: December 27, 2019Date of Patent: June 14, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Takaaki Furui, Yojiro Hotta, Yasuhiro Hashimoto, Koji Nishikawa, Shotaro Nomura, Yuujirou Nagashima
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Patent number: 11360387Abstract: Methods of manufacturing electronic devices employing wet-strippable underlayer compositions comprising one or more condensed polymers having an organic polymer chain having pendently-bound moieties having an acidic proton and a pKa in water from ?5 to 13 and having pendently-bound siloxane moieties are provided.Type: GrantFiled: June 29, 2018Date of Patent: June 14, 2022Assignee: Rohm and Haas Electronic Materials LLCInventors: Li Cui, Paul J. LaBeaume, James F. Cameron, Charlotte A. Cutler, Shintaro Yamada, Suzanne M. Coley, Iou-Sheng Ke
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Patent number: 11353803Abstract: A toner for electrostatic image development includes toner particles containing an amorphous resin and a crystalline resin. The toner particles include first toner particles. When a cross section of each of the first toner particles is observed, at least two domains of the crystalline resin satisfy conditions (A), (B1), (C), and (D) below: condition (A): an aspect ratio of each of the at least two domains of the crystalline resin is from 5 to 40 inclusive; condition (B1): a length of a major axis of each of the at least two domains of the crystalline resin is from 0.5 ?m to 1.Type: GrantFiled: January 19, 2021Date of Patent: June 7, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Atsushi Sugawara, Shintaro Anno, Yoshimasa Fujihara, Daisuke Noguchi, Satoshi Miura
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Patent number: 11347157Abstract: A toner comprising a toner particle, wherein the toner has G1 of from 5.0×10?13 to 1.0×10?10, and a ratio G2/G1 of G2 to G1 is from 0.10 to 0.60, when a conductivity of the toner measured at a frequency of 0.01 Hz under a pressure of 1,000 kPa is designated by G1 in S/m, and a conductivity of the toner measured at a frequency of 0.01 Hz under a pressure of 100 kPa is designated by G2 in S/m.Type: GrantFiled: July 22, 2020Date of Patent: May 31, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Kenta Kamikura, Takashi Kenmoku, Yuzo Seino
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Patent number: 11347145Abstract: High etch contrast materials provide the basis for using pre-patterned template structure with a template hardmask having periodic holes and filler within the holes that provides the basis for rapidly obtaining high resolution patterns guided by the template and high etch contrast resist. Methods are described for performing the radiation lithography, e.g., EUV radiation lithography, using the pre-patterned templates. Also, methods are described for forming the templates. The materials for forming the templates are described.Type: GrantFiled: April 1, 2020Date of Patent: May 31, 2022Assignee: Inpria CorporationInventors: Jason K. Stowers, Andrew Grenville
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Patent number: 11332788Abstract: Embodiments provided herewith are directed to self-assembled methods of preparing a patterned surface for sequencing applications including, for example, a patterned flow cell or a patterned surface for digital fluidic devices. The methods utilize photolithography to create a patterned surface with a plurality of microscale or nanoscale contours, separated by hydrophobic interstitial regions, without the need of oxygen plasma treatment during the photolithography process. In addition, the methods avoid the use of any chemical or mechanical polishing steps after the deposition of a gel material to the contours.Type: GrantFiled: January 20, 2021Date of Patent: May 17, 2022Assignee: Illumina, Inc.Inventors: Yir-Shyuan Wu, Yan-You Lin, M. Shane Bowen, Cyril Delattre, Fabien Abeille, Tarun Khurana, Arnaud Rival, Poorya Sabounchi, Dajun Yuan, Maria Candelaria Rogert Bacigalupo
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Patent number: 11333964Abstract: An organic compound represented by general formula (1) is a novel organic compound having an absorption band in the near infrared region, and is useful for infrared absorbing dyes, optical films, and organic electronic devices such as photoelectric conversion elements, wherein R1 to R18 each independently represent a hydrogen atom, an aryl group, a heteroaryl group, an alkyl group, a cycloalkyl group, a halogen atom, a hydroxy group, an alkoxy group, a mercapto group, an alkylthio group, a nitro group, a substituted amino group, an amide group, an acyl group, a carboxyl group, an acyloxy group, a cyano group, a sulfo group, a sulfamoyl group, an alkylsulfamoyl group, a carbamoyl group, or an alkylcarbamoyl group; and X represents a substituted or unsubstituted methine group, a silylidyne group, a germylidyne group, a stannylidyne group, a nitrogen atom, a phosphorus atom, an arsenic atom, or an antimony atom.Type: GrantFiled: March 13, 2017Date of Patent: May 17, 2022Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Tatsuya Aotake, Toshifumi Inouchi, Hidenori Yakushiji, Tatsuya Yamamoto
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Patent number: 11333989Abstract: A toner containing a toner particle that contains a binder resin and a crystalline material, wherein, in measurement of powder dynamic viscoelasticity of the toner, when T(A)° C. is taken as an onset temperature for a storage elastic modulus E? obtained at a ramp rate of 20° C./min, EA?(100) Pa is taken as a storage elastic modulus at 100° C. obtained at a ramp rate of 20° C./min, and T(B)° C. is taken as an onset temperature for a storage elastic modulus E? obtained at a ramp rate of 5° C./min, T(A)?T(B) is 3.0° C. or less, T(A) is from 45.0° C. to 70.0° C., and EA?(100) is from 4.0×109 Pa to 6.5×109 Pa.Type: GrantFiled: June 23, 2020Date of Patent: May 17, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Tomohiro Unno, Kosuke Fukudome, Ryo Nagata, Tetsuya Kinumatsu, Mariko Yamashita
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Patent number: 11320755Abstract: A brilliant developer contains a metallic pigment containing pigment particles, a binder resin, and an external additive. A percentage of the pigment particles not less than 2 ?m and not more than 4 ?m in a volume particle size distribution of a residue separated from a mixture obtained by dissolving the brilliant developer in tetrahydrofuran after removing the external additive from the brilliant developer is not less than 21.5% and not more than 25.3%.Type: GrantFiled: December 16, 2020Date of Patent: May 3, 2022Assignee: Oki Electric Industry Co., Ltd.Inventor: Karin Nakahara