ZA911492B - Hydrous travalent chromium oxide/carbon particles - Google Patents

Hydrous travalent chromium oxide/carbon particles

Info

Publication number
ZA911492B
ZA911492B ZA911492A ZA911492A ZA911492B ZA 911492 B ZA911492 B ZA 911492B ZA 911492 A ZA911492 A ZA 911492A ZA 911492 A ZA911492 A ZA 911492A ZA 911492 B ZA911492 B ZA 911492B
Authority
ZA
South Africa
Prior art keywords
travalent
hydrous
carbon particles
chromium oxide
chromium
Prior art date
Application number
ZA911492A
Other languages
English (en)
Inventor
Edgel P Stambaugh
P Stambaugh Edgel
Russell J Morgan
J Morgan Russell
Original Assignee
Occidental Chem Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Occidental Chem Co filed Critical Occidental Chem Co
Publication of ZA911492B publication Critical patent/ZA911492B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
ZA911492A 1990-03-02 1991-02-28 Hydrous travalent chromium oxide/carbon particles ZA911492B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/487,313 US5133947A (en) 1990-03-02 1990-03-02 Hydrous trivalent chromium oxide/carbon particles and method of making the same

Publications (1)

Publication Number Publication Date
ZA911492B true ZA911492B (en) 1991-12-24

Family

ID=23935235

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA911492A ZA911492B (en) 1990-03-02 1991-02-28 Hydrous travalent chromium oxide/carbon particles

Country Status (7)

Country Link
US (1) US5133947A (de)
EP (1) EP0450307B1 (de)
JP (1) JPH04270123A (de)
BR (1) BR9100848A (de)
DE (1) DE69115322T2 (de)
MX (1) MX173249B (de)
ZA (1) ZA911492B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296236A (en) * 1988-09-16 1994-03-22 Recordati S.A., Chemical And Pharmaceutical Company Controlled release therapeutic system for a liquid pharmaceutical formulations
US5259866A (en) * 1990-10-23 1993-11-09 Japan Metals & Chemicals Co., Ltd. Method for producing high-purity metallic chromium
JP2006521287A (ja) * 2002-12-20 2006-09-21 エスティ．ジェイムス アソシエイト エルエルシー／フェイバー リサーチ シリーズ 医薬製剤用の高圧圧縮
US8273190B2 (en) 2009-05-29 2012-09-25 Bulk Chemicals, Inc. Method for making and using chromium III salts
US8425692B2 (en) 2010-05-27 2013-04-23 Bulk Chemicals, Inc. Process and composition for treating metal surfaces
CN107108403B (zh) 2014-12-31 2020-03-10 沙特基础工业全球技术有限公司 用于增强烷烃的脱氢性能的方法
ES2672993T3 (es) 2015-10-27 2018-06-19 Eupraxia Pharmaceuticals Inc. Formulaciones de liberación sostenida de anestésicos locales
CN115477327A (zh) * 2022-09-23 2022-12-16 绵阳光达环保科技有限责任公司 一种乙醇或甲醇还原铬酸钠生产羟基氧化铬的生产工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833645A (en) * 1955-08-19 1958-05-06 Union Carbide Corp Reduction of chromium oxides
US2850378A (en) * 1956-12-17 1958-09-02 Walter M Weil Production of chromium by low-pressure reduction of oxides
US3090670A (en) * 1959-06-18 1963-05-21 Nat Distillers Chem Corp Zirconium dioxide recovery
US3065095A (en) * 1959-08-26 1962-11-20 Nat Distillers Chem Corp Process for preparing chromium oxide
DE1296291B (de) * 1965-09-01 1969-05-29 Siegle & Co Gmbh Farbenfabrike Verfahren zur Herstellung feinteiliger Eisenoxid-Chromoxid-Mischkristallpigmente
US4033867A (en) * 1974-07-19 1977-07-05 Betz Laboratories, Inc. Chromate reduction in aqueous medium
GB1532601A (en) * 1977-01-17 1978-11-15 Ontario Research Foundation Production of chromium carbide and ferrochrome alloys
GB1548123A (en) * 1977-02-18 1979-07-04 Toyo Soda Mfg Co Ltd Process of producing metallic chromium
US4127643A (en) * 1977-11-03 1978-11-28 Ppg Industries, Inc. Preparation of pigmentary chromic oxide
US4367213A (en) * 1982-04-29 1983-01-04 Olin Corporation Use of selected catalyzed hydrazine compositions to reduce hexavalent chromium [Cr(VI)]

Also Published As

Publication number Publication date
EP0450307B1 (de) 1995-12-13
DE69115322T2 (de) 1996-05-02
EP0450307A1 (de) 1991-10-09
JPH04270123A (ja) 1992-09-25
MX173249B (es) 1994-02-11
DE69115322D1 (de) 1996-01-25
BR9100848A (pt) 1991-11-05
US5133947A (en) 1992-07-28

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