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Murofushi Katsumi, Hosoda Yoshikazu, Kaji Toshio, Abe Yuki, Yamaguchi Kiyotaka, Yoshida Takayuki, Yamashiro Jiro, Arai Toshio, Nagase Takayuki, Nagami Harushi: Decolorizable toner.. Showa Denko, Bando Chemical, May 19, 1993: EP0542286-A1 (67 worldwide citation)

A decolorizable toner comprising a resin binder, a near infrared ray-absorbing dye, a decolorizing agent and a light fastness stabilizer, and a process for preparing the decolorizable toner, which comprises the steps of mixing the near infrared ray-absorbing dye and the light fastness stabilizer wit ...


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Toner for use in developing electrostatic images. Konishiroku Photo, July 14, 1976: GB1442835-A (66 worldwide citation)

1442835 Toner compositions KONISHIROKU PHOTO INDUSTRY CO Ltd 19 Oct 1973 [21 Oct 1972 23 Oct 1972] 48920/73 Heading C3P [Also in Divisions G2-G3] Toners for developing electrostatic images comprise (a) a colouring agent, (b) a styrene polymer and (c) polyethylene or polypropylene, optionally togethe ...


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Takiguchi Tsuyoshi, Kuribayashi Tetsuya, Tomiyama Koichi, Kukimoto Tsutomu, Yusa Hiroshi, Imai Eiichi: Magnetic developer, image forming method and image forming apparatus.. Canon, October 31, 1990: EP0395026-A2 (27 worldwide citation)

A magnetic developer for developing an electrostatic latent image, including hydrophobic silica fine powder and an insulating magnetic toner comprising at least a binder resin and a magnetic material comprising spherical magnetic particles; wherein 0.16 to 1.6 wt. parts of the hydrophobic silica fin ...


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Electrostatic image toner compositions. Eastman Kodak Co, February 15, 1978: GB1501065-A (25 worldwide citation)

1501065 Electro-photographic developers EASTMAN KODAK CO 8 July 1976 [9 July 1975] 28463/76 Heading G2C A dry particulate electrostatic image toner powder consists of particles having a size from 0À1 to 100 Ám comprising a polymeric binder having a softening point in the range 40 to 200 C, optionall ...


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Nishihara Akira, Yamashita Yukiya, Sakurai Hideaki: Hydrophobic metal oxide powder and use thereof. Mitsubishi Materials, October 8, 1997: EP0799791-A1 (23 worldwide citation)

A hydrophobic metal oxide powder obtained by simultaneously surface-treating a powder of a metal oxide (for example, silica, titania, alumina, or the like) with silicone oil having epoxy groups and a non-polymeric amine compound having a lower number of primary and/or secondary amino groups than the ...


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Ettlinger Manfred Dr, Hartmann Werner Dr, Kerner Dieter Dr, Meyer Juergen Dr: Surface modified pyrogenic mixed oxide, process for its preparation and its use. Degussa, July 24, 1996: EP0722992-A1 (23 worldwide citation)

Surface-modified, pyrogenically produced mixed oxides contain two or more components from SiO2, Al2O3, TiO2, ZrO2, Re2O3, Nb2O5, V2O5, WO3, SnO2 and GeO2, which were surface modified with one or more of cpds. (a)-(m) below. (a) organosilanes of formula (I): (RO)3Si(CnH2n+1) (I) R = alkyl; and n = 1- ...


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Honjo Toshio, Sato Yuji, Fukushima Yoshihiro, Nawa Masayoshi, Yasuda Shinichiro: Developer for electrostatic image.. Kao, Nippon Iron Powder Co, January 24, 1990: EP0351712-A2 (23 worldwide citation)

A developer for electrostatic photography comprises toner and carrier coated with a composition comprising a silicone resing having (II) and (II min ) and another silicone resin having (III), (IV) or (V). v


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Okado Kenji, Fujita Ryoichi, Takiguchi Tsuyoshi: Toner for developing electrostatic image.. Canon, January 20, 1993: EP0523654-A1 (22 worldwide citation)

The toner for developing an electrostatic image, excellent in any environmental conditions, comprises the colorant-containing resin particles and at least one kind of fine titanium oxide powder which has been made hydrophobic by treating in an aqueous medium; the fine titanium oxide powder has an av ...