[특허]Succinic acid derivative degradable chelants, uses and compositions thereof

[미국특허] Succinic acid derivative degradable chelants, uses and compositions thereof 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C07F-015/02
출원번호	US-0735858 (1996-10-23)
발명자 / 주소	Wilson David Alan Crump Druce Kirk
출원인 / 주소	The Dow Chemical Company
인용정보	피인용 횟수 : 2 인용 특허 : 25

초록 ▼

Polyamino disuccinic acids are effective chelants for use in photography and gas conditioning (both applications preferably involving the polyamino disuccinic acid in the form of a metal, preferably an iron complex). The copper chelates are also useful in electroless copper plating. In photography, the invention includes a method of bleaching or bleach-fixing a photographic material which comprises contacting said material with a bleaching solution containing a bleaching agent comprising a ferric complex of a polyamino disuccinic acid and the solution so used. In electroless desposition, the invention includes a method of electroless deposition of copper upon a non-metallic surface receptive to the deposited copper including a step of contacting the non-metallic surface with an aqueous solution comprising a soluble copper salt and a polyamino disuccinic acid and plating baths appropriate for such use. Another aspect of the invention includes a method for removing iron oxide deposits from a surface including a step of contacting the deposits with a solution comprising an ammoniated polyamino disuccinic acid. Yet another aspect of the invention involves gas conditioning including a process of removing H.sub.2 S from a fluid comprising contacting said fluid with an aqueous solution at a pH suitable for removing H.sub.2 S wherein said solution contains at least one higher valence polyvalent metal chelate of a polyamino disuccinic acid and a process of removing NO.sub.x from a fluid comprising contacting the fluid with an aqueous solution of at least one lower valence state polyvalent metal chelate of a polyamino disuccinic acid.

대표청구항 ▼

[ What is claimed is:] [1.] A process for producing an iron complex of a polyamino disuccinic acid comprising reacting a polyamino disuccinic acid(i) with ammonia or an alkali metal hydroxide selected from sodium, potassium or lithium, and(ii) an iron salt or iron oxide, an aqueous medium to give a

이 특허에 인용된 특허 (25) 인용/피인용 타임라인 분석

Tappe Gustav (Leverkusen DEX) Wichmann Ralf (Koeln DEX) Meckl Heinz (Bergisch Gladbach DEX), Bleaching bath.
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Kim Hongzoon (Boonton NJ), Bleaching composition and process for color photographic materials.
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Hardison ; Leslie C., Chelate oxidation of hydrogen sulfide in sour water.
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Koboshi Shigeharu (Hino JPX) Higuchi Moeko (Hino JPX), Color image forming method comprising processing with a bleach-fixing solution.
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Hasebe Nobuyasu (No. 24-8 ; 2-chome ; Nishiogi-kita Suginami ; Tokyo JA), Desulfurizing process for hydrogen sulfide-containing gases.
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Hartman Frederick A. (Cincinnati OH) Perkins Christopher M. (Cincinnati OH), Detergent compositions containing ethylenediamine-N,N′-disuccinic acid.
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Blake, deceased, Ralph Kingsley, Low coating weight silver halide element and process.
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Hall Jeffrey L. (Rochester NY) Hastreiter ; Jr. Jacob J. (Spencerport NY), Method for bleach-fixing of photographic elements.
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Mancini Robert A. (Elk Grove Village IL) Cyr David M. (Lombard IL), Method for controlling removal of hydrogen sulfide from gases.
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Andoh Kazuto (Kanagawa JPX) Ishikawa Takatoshi (Kanagawa JPX) Yagihara Morio (Kanagawa JPX), Method for processing a silver halide color photographic material and a color developing composition comprising hydroxyl.
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Marthaler Max (Marly CHX) Jan Gerald (Fribourg CHX), Method for processing silver dye-bleach materials.
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Fujimoto Hiroshi (Kanagawa JPX) Yagihara Morio (Kanagawa JPX) Ishikawa Takatoshi (Kanagawa JPX), Method for processing silver halide color photographic materials comprising the use of specific bleaching agents and hyd.
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Sugiyama ; Mitsunori ; Ishiguro ; Shoji ; Sugiyama ; Nobuo ; Iijima ; Yo o ; Okutsu ; Eiichi ; Iwano ; Haruhiko ; Hosoya ; Katsumi ; Hara ; Hikoha ru, Method of forming photographic line and half-tone images.
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Kishimoto Shinzo (Minami-ashigara JPX) Abe Akira (Minami-ashigara JPX) Nakajima Junya (Minami-ashigara JPX), Method of processing silver halide color photographic material including the use of a two bath desilvering system compri.
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Glogowski Mark W. (Cincinnati OH) Hartman Frederick A. (Cincinnati OH) Heinzman Stephen W. (Cincinnati OH) Perkins Christopher M. (Cincinnati OH), N,N′-(1-oxo-1,2-ethanediyl)-bis(aspartic acid), salts and use in detergent compositions.
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Fyson John R. (London GB2), Photographic bleach compositions and methods of photographic processing.
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Stephen Keith H. (Rochester NY) MacDonald Carol J. (Rochester NY), Photographic bleaching and bleach-fixing solutions.
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Tajiri Tadaaki (Hyogo JPX) Nishizawa Hitoshi (Hyogo JPX), Process for removal of hydrogen sulfide from gases.
상세보기
Winkler ; Hans J. S., Process for the removal of H.sub.2 S and CO.sub.2 from gaseous streams.
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Tanaka M. (Nagoya JPX) Kobayashi Kazuhiro (Tokyo JPX) Koboshi Shigeharu (Tokyo JPX), Processing solution for light-sensitive silver halide photographic material comprises metal complexes of large polyamine.
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Ishikawa Masao (Hino JPX) Kobayashi Kazuhiro (Hino JPX) Koboshi Shigeharu (Hino JPX), Processing solution having bleaching ability for light-sensitive silver halide color photographic material.
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Jernigan Robert T. (Lake Jackson TX), Purifying geothermal steam.
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Ueda Yutaka (Hino JPX) Yamashita Hiroshi (Hachioji JPX), Solid bleacher for silver halide color photographic light sensitive material and the processing method thereof.
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Kuse Satoru (Hino JPX) Koboshi Shigeharu (Sagamihara JPX) Hagiwara Moeko (Kokubunji JPX), Stabilizer for silver halide photographic light-sensitive material use and the method of processing the light-sensitive.
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Salemme Robert M. (Schenectady NY), Use of concentrated chelated iron reagent for reducing pollutant content of a fluid.
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이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

Poole, Mark A.; Cobley, Andrew J.; Singh, Amrik; Hirst, Deborah V., Electroless copper and redox couples.
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Hey, Gabriele; Aghina, Alessandro, Polishing agent.
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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

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[미국특허] Succinic acid derivative degradable chelants, uses and compositions thereof 원문보기