USRE29605E - - Google Patents

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Publication number
USRE29605E
USRE29605E US69076676A USRE29605E US RE29605 E USRE29605 E US RE29605E US 69076676 A US69076676 A US 69076676A US RE29605 E USRE29605 E US RE29605E
Authority
US
United States
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 - Lifetime
Application number
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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.)
Vista Chemical 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
Priority claimed from US439679A external-priority patent/US3907512A/en
Application filed filed Critical
Application granted granted Critical
Publication of USRE29605E publication Critical patent/USRE29605E/en
Assigned to VISTA CHEMICAL COMPANY reassignment VISTA CHEMICAL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: CONOCO INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • B01J35/50—
    • B01J35/615—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B01J37/10—Heat treatment in the presence of water, e.g. steam
    • 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
    • C01F7/021—After-treatment of oxides or hydroxides
    • 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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/26—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfuric acids or sulfates
    • 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
    • C01P2006/11—Powder tap density
    • 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
    • C01P2006/12—Surface area
    • 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
    • C01P2006/14—Pore volume
    • 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
    • C01P2006/16—Pore diameter
    • C01P2006/17—Pore diameter distribution
US69076676 1974-02-04 1976-05-10 Expired - Lifetime USRE29605E (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US439679A US3907512A (en) 1972-01-19 1974-02-04 Method for producing high-porosity high-surface area, low-bulk density alumina

Publications (1)

Publication Number Publication Date
USRE29605E true USRE29605E (ja) 1978-04-04

Family

ID=23745701

Family Applications (1)

Application Number Title Priority Date Filing Date
US69076676 Expired - Lifetime USRE29605E (ja) 1974-02-04 1976-05-10

Country Status (1)

Country Link
US (1) USRE29605E (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6303531B1 (en) 1999-12-21 2001-10-16 W. R. Grace & Co.-Conn. Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use
US6403526B1 (en) 1999-12-21 2002-06-11 W. R. Grace & Co.-Conn. Alumina trihydrate derived high pore volume, high surface area aluminum oxide composites and methods of their preparation and use
US6451200B1 (en) 2000-01-13 2002-09-17 W. R. Grace & Co.-Conn. Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6303531B1 (en) 1999-12-21 2001-10-16 W. R. Grace & Co.-Conn. Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use
US6403526B1 (en) 1999-12-21 2002-06-11 W. R. Grace & Co.-Conn. Alumina trihydrate derived high pore volume, high surface area aluminum oxide composites and methods of their preparation and use
US6451200B1 (en) 2000-01-13 2002-09-17 W. R. Grace & Co.-Conn. Hydrothermally stable high pore volume aluminum oxide/swellable clay composites and methods of their preparation and use

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Legal Events

Date Code Title Description
AS Assignment

Owner name: VISTA CHEMICAL COMPANY, 15990 NORTH BARKERS LANDIN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. SUBJECT TO TERMS OF AGREEMENT DATED JUNE 26,1984;ASSIGNOR:CONOCO INC.;REEL/FRAME:004349/0285

Effective date: 19840720