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BR9200840A - Processo para a producao de uma boemita coloidal - Google Patents

Processo para a producao de uma boemita coloidal

Info

Publication number
BR9200840A
BR9200840A BR929200840A BR9200840A BR9200840A BR 9200840 A BR9200840 A BR 9200840A BR 929200840 A BR929200840 A BR 929200840A BR 9200840 A BR9200840 A BR 9200840A BR 9200840 A BR9200840 A BR 9200840A
Authority
BR
Brazil
Prior art keywords
coloidal
bohemite
production
coloidal bohemite
Prior art date
Application number
BR929200840A
Other languages
English (en)
Inventor
Ralph Bauer
Original Assignee
Norton 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24704428&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9200840(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Norton Co filed Critical Norton Co
Publication of BR9200840A publication Critical patent/BR9200840A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C01F7/448—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Colloid Chemistry (AREA)
BR929200840A 1991-03-22 1992-03-12 Processo para a producao de uma boemita coloidal BR9200840A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/673,873 US5178849A (en) 1991-03-22 1991-03-22 Process for manufacturing alpha alumina from dispersible boehmite

Publications (1)

Publication Number Publication Date
BR9200840A true BR9200840A (pt) 1992-12-01

Family

ID=24704428

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929200840A BR9200840A (pt) 1991-03-22 1992-03-12 Processo para a producao de uma boemita coloidal

Country Status (9)

Country Link
US (1) US5178849A (pt)
EP (1) EP0505896B1 (pt)
JP (1) JP2886725B2 (pt)
AU (1) AU641082B2 (pt)
BR (1) BR9200840A (pt)
CA (1) CA2061112C (pt)
DE (1) DE69214335T2 (pt)
MX (1) MX9201235A (pt)
ZA (1) ZA921171B (pt)

Families Citing this family (81)

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US5635291A (en) * 1993-04-28 1997-06-03 Canon Kabushiki Kaisha Ink-jet recording medium
DE4337643C1 (de) * 1993-11-04 1995-08-03 Rwe Dea Ag Verfahren zur Herstellung von in Wasser dispergierbaren Tonerdehydraten böhmitischer Struktur und Verwendung derselben
US5681658A (en) * 1995-05-30 1997-10-28 Aluminum Company Of America Gelation-resistant alumina
US5611829A (en) * 1995-06-20 1997-03-18 Minnesota Mining And Manufacturing Company Alpha alumina-based abrasive grain containing silica and iron oxide
US5645619A (en) * 1995-06-20 1997-07-08 Minnesota Mining And Manufacturing Company Method of making alpha alumina-based abrasive grain containing silica and iron oxide
EP0885844B1 (en) * 1996-03-05 2003-06-04 Goro Sato Alumina sol, process for preparing the same, process for preparing alumina molding using the same, and alumina-based catalyst prepared thereby
BR9708837A (pt) * 1996-04-29 2000-01-04 Roy Joseph Sippel Sal de acetato fibroso cationico de alumina boemita, agente fluculante ou precipitante e processos para preparar umsal de acetato fibroso cationico de alumina boemita, para tingir fibras, para tratar uma corrente de refugo de corante e para remover contaminantes de uma corrente de tratamento de agua municipal.
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US5989515A (en) * 1996-07-24 1999-11-23 Nissan Chemical Industries, Ltd. Process for producing an acidic aqueous alumina sol
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AU4624299A (en) * 1998-07-06 2000-01-24 Institut Francais Du Petrole Novel dispersible aluminium hydrate, method for preparing same and use for preparing catalysts
FR2793237B1 (fr) * 1999-04-16 2002-05-24 Inst Francais Du Petrole Procede de preparation d'un hydrate d'aluminium utilisable comme support de catalyseur
US6312619B1 (en) * 1999-06-10 2001-11-06 Condea Vista Company Method for producing water-dispersible alpha-alumina monohydrate
KR100711394B1 (ko) * 1999-08-11 2007-05-02 알베마를 네덜란드 비.브이. 첨가제를 함유하는 미세결정성 보에마이트, 및 상기 미세결정성 보에마이트를 포함하는 성형 입자 및 촉매 조성물
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US6287353B1 (en) 1999-09-28 2001-09-11 3M Innovative Properties Company Abrasive grain, abrasive articles, and methods of making and using the same
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US6589908B1 (en) * 2000-11-28 2003-07-08 Shell Oil Company Method of making alumina having bimodal pore structure, and catalysts made therefrom
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CN100532267C (zh) * 2007-04-06 2009-08-26 中国科学院过程工程研究所 铝酸钠溶液碳酸化分解制备一水软铝石的方法
EP2203387A2 (en) * 2007-10-12 2010-07-07 Dow Corning Corporation Aluminum oxide dispersion and method of preparing same
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CN103702800B (zh) 2011-06-30 2017-11-10 圣戈本陶瓷及塑料股份有限公司 包括氮化硅磨粒的磨料制品
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KR102187425B1 (ko) 2011-12-30 2020-12-09 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 형상화 연마입자 및 이의 형성방법
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Also Published As

Publication number Publication date
EP0505896B1 (en) 1996-10-09
JP2886725B2 (ja) 1999-04-26
AU1100292A (en) 1993-01-28
ZA921171B (en) 1992-11-25
AU641082B2 (en) 1993-09-09
EP0505896A1 (en) 1992-09-30
MX9201235A (es) 1992-10-01
JPH0570121A (ja) 1993-03-23
CA2061112A1 (en) 1992-09-23
US5178849A (en) 1993-01-12
CA2061112C (en) 1998-04-21
DE69214335T2 (de) 1997-04-24
DE69214335D1 (de) 1996-11-14

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Legal Events

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EG Technical examination (opinion): publication of technical examination (opinion)
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

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