[특허]Particulate developer containing inorganic scraper particles and image forming method using the same

Particulate developer containing inorganic scraper particles and image forming method using the same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03G-009/00 G03G-009/14 G03G-013/06
출원번호	US-0634060 (1984-07-25)
우선권정보	JP-0142061 (1983-08-03); JP-0249087 (1983-12-26)
발명자 / 주소	Mitsuhashi Yasuo (Yokohama JPX) Uchiyama Masaki (Tokyo JPX) Murakawa Kazunori (Tokyo JPX) Okado Kenji (Yokohama JPX)
출원인 / 주소	Canon Kabushiki Kaisha (Tokyo JPX 03)
인용정보	피인용 횟수 : 25 인용 특허 : 6

초록 ▼

A developer comprising colored resinous particles and inorganic fine particles having a BET specific surface area of 0.2 to 30 m2/g as measured by nitrogen adsorption. The inorganic fine particles have an action of promoting removal of paper powder and other adherents during cleaning of the latent image-bearing member without sticking onto the latent image-bearing member. Accordingly, the developer containing the inorganic fine particles can give good images even after successive copying operation for a long term.

대표청구항 ▼

A particulate developer, which comprises (i) 85 to 99.77 % by weight of colored resinous particles, (ii) 0.2 to 10% by weight of inorganic fine particles (A) having a BET specific surface area of 0.2 to 30.0 m2/g as measured by nitrogen absorption, and (iii) 0.03 to 5% by weight of inorganic fine particles (B) having a BET specific surface area of 40 to 400 m2/g as measured by nitrogen absorption, in which each weight of said particles is based on the total weight of said colored resinous particles, said inorganic fine particles (A), and said inorganic fine particles (B).

이 특허에 인용된 특허 (6)

Takayama Hiroshi (Moriguchi JPX) Aizawa Tatsuo (Osaka JPX), Developer for electrostatic photography and process for preparation thereof.
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Kori Toshitaro (Tondabayashi JPX) Oka Tateki (Sakai JPX), Electrographic developing material and developing method employing said developing material.
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Rahn Arthur W. (Webster NY) Jones Lewis O. (Webster NY) Lu Chin H. (Webster NY), Electrostatographic developer with smooth surfaced carrier.
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Jones ; Lewis O., High surface area ferromagnetic carrier materials.
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Kashiwagi Michio (Otsu JPX), Two-component type dry developer.
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Kuin Nicolaas P. J. (Grubbenvorst NLX) Pleyers Jozef J. A. (Baarlo NLX), Water-fixable electrostatic toner powder containing hydrolyzed polyvinyl ester.
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이 특허를 인용한 특허 (25)

Aita Shuichi (Kawasaki JPX), Developer for developing electrostatic images and process for forming images.
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Katsunori Kurose JP; Masayuki Hagi JP; Tetsuo Sano JP; Kenichi Kido JP; Takeshi Arai JP, Developer for developing electrostatic latent images.
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Shinya Yamamoto JP; Hiroshi Sasame JP; Tetsuya Kobayashi JP; Kouji Hashimoto JP; Yasunari Watanabe JP, Developing apparatus having a direct or alternating current applied thereto.
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Yasuda Satoshi (Matsudo JPX) Uchida Mitsuru (Chofu JPX) Takagi Seiichi (Yokohama JPX) Karami Yusuke (Kamakura JPX), Electrophotographic magnetic dry developer containing cerium oxide and hydrophobic silica.
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Hagi Masayuki,JPX ; Tamaoki Junichi,JPX ; Arai Takeshi,JPX ; Fukuda Hiroyuki,JPX, Electrostatic latent image-developing toner containing specified toner particles and specified external additives.
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Sakashita Kiichiro (Inagi JPX), Magnetic toner.
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Noguchi Koji,JPX, Method for developing an electrostatic latent image.
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Tsutsui Chikara,JPX ; Anno Masahiro,JPX ; Nakamura Minoru,JPX ; Kurose Katsunori,JPX ; Fukuda Hiroyuki,JPX, Mono-component developing method and mono-component developing machine for effectuating the method.
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Sekiguchi Yoshitaka,JPX ; Sano Tetsuo,JPX ; Kido Kenichi,JPX, Negatively chargeable toner for developing electrostatic latent images.
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Kurose Katsunori,JPX ; Anno Masahiro,JPX ; Tsutsui Chikara,JPX ; Nakamura Minoru,JPX, Non-magnetic mono-component developer.
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Kurose Katsunori,JPX ; Anno Masahiro,JPX ; Tsutsui Chikara,JPX ; Nakamura Minoru,JPX ; Fukuda Hiroyuki,JPX, Nonmagnetic monocomponent negatively chargeable color developer.
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Kitamori Naoto (Yokohama JPX) Ochi Hisayuki (Yokohama JPX) Kuribayashi Tetsuya (Tokyo JPX) Ohno Manabu (Yokohama JPX) Kuwashima Tetsuhito (Yokohama JPX) Uchide Hitoshi (Toride JPX), One component developer for developing electrostatic image and image forming method.
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Kato Seiichi (Tokyo JPX) Kitamori Naoto (Yokohama JPX) Ochi Hisayuki (Tokyo JPX), Positively chargeable one component magnetic developer.
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Gruber Robert J. (Pittsford NY) Bov Raphael F. (Pittsford NY) Cometa Thomas D. (Pittsford NY) Eakin Paul W. (Webster NY) Berkes John S. (Webster NY) Grushkin Bernard (Pittsford NY), Smear resistant magnetic image character recognition processes.
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Iida Wakashi,JPX ; Taya Masaaki,JPX ; Kanbayashi Makoto,JPX ; Ida Tetsuya,JPX ; Inaba Junko,JPX, Toner.
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Lohr Robert L., Toner composition and processes thereof.
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Sato Shuji (Minami-Ashigara JPX) Suzuki Chiaki (Minami-Ashigara JPX) Torigoe Tetsu (Minami-Ashigara JPX) Inoue Satoshi (Minami-Ashigara JPX) Fujii Takahisa (Minami-Ashigara JPX), Toner composition for electrostatic charge development and image forming process using the same.
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Mizoh Yuichi,JPX ; Kohtaki Takaaki,JPX ; Mikuriya Yushi,JPX ; Doujo Tadashi,JPX, Toner for developing electrostatic image containing specified double oxide particles.
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Katada Masaichiro,JPX ; Kasuya Takashige,JPX ; Kobori Takakuni,JPX, Toner for developing electrostatic image, apparatus unit and image forming method.
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Takeshi Arai JP; Junichi Tamaoki JP; Masayuki Hagi JP; Megumi Aoki JP, Toner for developing electrostatic latent image.
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Takahashi Jiro (Hachioji JPX) Tsuzita Kenzi (Hachioji JPX) Takagiwa Hiroyuki (Hachioji JPX) Shigeta Kunio (Hachioji JPX) Masaki Hiroya (Hachioji JPX), Toner for developing electrostatic latent image and method for developing electrostatic latent image with the same.
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Sano Tetsuo,JPX ; Sekiguchi Yoshitaka,JPX ; Iwata Satoru,JPX ; Fukuda Hiroyuki,JPX, Toner for developing electrostatic latent image with specific particle-size distribution.
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Hagi Masayuki,JPX ; Tamaoki Junichi,JPX ; Arai Takeshi,JPX ; Fukuda Hiroyuki,JPX, Toner for developing electrostatic latent images.
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Nakasawa Shinobu (Toyohashi JPX) Fukao Hiroshi (Toyokawa JPX) Asakawa Keiji (Ibaragi JPX) Muramatsu Toshikazu (Takarazuka JPX) Demizu Ichiro (Toyonaka JPX), Toner for developing electrostatic latent images.
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Murofushi Toshiaki (Kanagawa JPX) Nakazawa Hiroshi (Kanagawa JPX) Oyamada Koichi (Kanagawa JPX) Aonuma Shigeo (Kanagawa JPX) Amagai Yoshimi (Kanagawa JPX) Ohya Yasuhiro (Kanagawa JPX), Two component electrophotographic developer.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

연합인증

Particulate developer containing inorganic scraper particles and image forming method using the same 원문보기