FR854659A - Procédé perfectionné pour la préparation d'oxydes finement réduits - Google Patents

Procédé perfectionné pour la préparation d'oxydes finement réduits

Info

Publication number
FR854659A
FR854659A FR854659DA FR854659A FR 854659 A FR854659 A FR 854659A FR 854659D A FR854659D A FR 854659DA FR 854659 A FR854659 A FR 854659A
Authority
FR
France
Prior art keywords
preparation
advanced process
reduced oxides
finely reduced
finely
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of FR854659A publication Critical patent/FR854659A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/145—Preparation of hydroorganosols, organosols or dispersions in an organic medium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/36—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
FR854659D 1938-05-14 1939-05-12 Procédé perfectionné pour la préparation d'oxydes finement réduits Expired FR854659A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US208056A US2269059A (en) 1938-05-14 1938-05-14 Method of preparing finely comminuted oxides

Publications (1)

Publication Number Publication Date
FR854659A true FR854659A (fr) 1940-04-22

Family

ID=22773000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854659D Expired FR854659A (fr) 1938-05-14 1939-05-12 Procédé perfectionné pour la préparation d'oxydes finement réduits

Country Status (3)

Country Link
US (1) US2269059A (fr)
FR (1) FR854659A (fr)
GB (1) GB527855A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0372251A1 (fr) * 1988-11-22 1990-06-13 Degussa Aktiengesellschaft Procédé de préparation de silices
WO1998045210A1 (fr) * 1997-04-09 1998-10-15 Cabot Corporation Procede de preparation de compositions d'oxides metalliques et d'oxides organo-metalliques
US6172120B1 (en) 1997-04-09 2001-01-09 Cabot Corporation Process for producing low density gel compositions
US6315971B1 (en) 1997-04-09 2001-11-13 Cabot Corporation Process for producing low density gel compositions

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432484A (en) * 1943-03-12 1947-12-09 American Optical Corp Reflection reducing coating having a gradually increasing index of refraction
US2491416A (en) * 1946-04-03 1949-12-13 Fansteel Metallurgical Corp Tantalum oxide composition
US2552495A (en) * 1947-09-20 1951-05-08 Brockway Glass Co Inc Method of making glass and batch therefor
US2571797A (en) * 1949-02-24 1951-10-16 American Cyanamid Co Vitaminaceous oil containing powders and the preparation thereof
US2715060A (en) * 1951-10-31 1955-08-09 Dow Corning Process of making silica
US2802850A (en) * 1954-11-01 1957-08-13 Gen Electric Hydrophobic silicas
US2951044A (en) * 1955-07-18 1960-08-30 Degussa Stable dispersions of metal oxide blends and process for their manufacture
DE1014533B (de) * 1955-12-30 1957-08-29 Mitsubishi Rayon Co Verfahren zur Herstellung einer kolloidalen Loesung von Kieselsaeure
GB975320A (en) * 1962-02-01 1964-11-18 Ici Ltd Manufacture of finely divided silica
US3322582A (en) * 1964-07-23 1967-05-30 Beryllium Corp Process for controlled surface oxidation of beryllium powders
DE3937394A1 (de) * 1988-11-22 1990-05-23 Degussa Verfahren zur herstellung von kieselsaeuren
US5158758A (en) * 1989-04-24 1992-10-27 International Minerals & Chemical Corp. Production of silica having high specific surface area
US5043002A (en) 1990-08-16 1991-08-27 Corning Incorporated Method of making fused silica by decomposing siloxanes
US5703191A (en) * 1995-09-01 1997-12-30 Corning Incorporated Method for purifying polyalkylsiloxanes and the resulting products
KR100473827B1 (ko) 1995-12-19 2005-07-18 코닝 인코포레이티드 액체반응물의연소에의해용융실리카를제조하는방법및장치
US5879649A (en) * 1995-12-19 1999-03-09 Corning Incorporated Method for purifying polyalkylsiloxanes and the resulting products
US6312656B1 (en) 1995-12-19 2001-11-06 Corning Incorporated Method for forming silica by combustion of liquid reactants using oxygen
US5979185A (en) * 1997-07-16 1999-11-09 Corning Incorporated Method and apparatus for forming silica by combustion of liquid reactants using a heater

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0372251A1 (fr) * 1988-11-22 1990-06-13 Degussa Aktiengesellschaft Procédé de préparation de silices
WO1998045210A1 (fr) * 1997-04-09 1998-10-15 Cabot Corporation Procede de preparation de compositions d'oxides metalliques et d'oxides organo-metalliques
US6071486A (en) * 1997-04-09 2000-06-06 Cabot Corporation Process for producing metal oxide and organo-metal oxide compositions
US6172120B1 (en) 1997-04-09 2001-01-09 Cabot Corporation Process for producing low density gel compositions
US6315971B1 (en) 1997-04-09 2001-11-13 Cabot Corporation Process for producing low density gel compositions

Also Published As

Publication number Publication date
GB527855A (en) 1940-10-17
US2269059A (en) 1942-01-06

Similar Documents

Publication Publication Date Title
FR854659A (fr) Procédé perfectionné pour la préparation d'oxydes finement réduits
FR866240A (fr) Procédé de préparation d'éthers-sels basiques
FR868733A (fr) Procédé pour la fabrication des composés d'isoquinoleine
FR837195A (fr) Procédé pour préparer des oxydes de l'azote
FR846574A (fr) Procédé pour la production d'oxydes oléfiniques
FR51495E (fr) Procédé pour la préparation de percarbonates alcalins
FR48717E (fr) Procédé pour la réduction des oxydes
FR866244A (fr) Procédé de préparation d'éthers-sels basiques
FR850242A (fr) Procédé pour la préparation des épithio-alcoylanes
FR862059A (fr) Procédé pour la préparation de l'acide 2-naphtol-1-sulfonique
FR869935A (fr) Procédé pour la préparation de n-sulfonylurées
FR870537A (fr) Procédé pour la préparation de 6-oxychromanes
FR852737A (fr) Procédé pour la préparation de plis au fer et de plissés
FR859834A (fr) Procédé pour la préparation du d1-acétyl-alpha-tocophérol
BE433973A (fr) Procédé pour la préparation du phospho-dichlorure de la 4-amino-benzène-sulfonamide
FR857208A (fr) Procédé pour l'oxydation de composés hydroaromatiques
FR862395A (fr) Procédé pour la préparation des dioléfines
BE428101A (fr) Procédé pour la préparation de l'aneurine
FR857474A (fr) Procédé de préparation d'éthers-sels basiques
FR848870A (fr) Procédé pour la préparation d'acides alpha-naphthacetoyl-aminés
FR835774A (fr) Procédé de préparation d'oxydes métalliques
FR861224A (fr) Procédé de préparation de diéthyle-carbamates d'éther-oxydes résorcinemonoalcoyliques
FR853666A (fr) Procédé pour la préparation des phospho-dichlorures de la 4-aminobenzène-sulfonamide
FR866388A (fr) Procédé de préparation d'éthers-sels d'oxyalcoylamidines susceptibles de réagir
FR822025A (fr) Procédé pour la préparation ou l'amélioration des pelleteries