IN192421B - - Google Patents

Info

Publication number
IN192421B
IN192421B IN632CA1997A IN192421B IN 192421 B IN192421 B IN 192421B IN 632CA1997 A IN632CA1997 A IN 632CA1997A IN 192421 B IN192421 B IN 192421B
Authority
IN
India
Prior art keywords
gold
catalyst
palladium
impregnated
water
Prior art date
Application number
Other languages
English (en)
Inventor
Nicolau Ioan
Azael T Flores
Original Assignee
Hoechst Celanese Corp
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 US08/696,413 external-priority patent/US5691267A/en
Application filed by Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of IN192421B publication Critical patent/IN192421B/en

Links

Classifications

    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/52—Gold
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
    • C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
    • C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
IN632CA1997 1996-04-16 1997-04-10 IN192421B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63327596A 1996-04-16 1996-04-16
US08/696,413 US5691267A (en) 1996-04-16 1996-08-13 Two step gold addition method for preparing a vinyl acetate catalyst

Publications (1)

Publication Number Publication Date
IN192421B true IN192421B (zh) 2004-04-24

Family

ID=27091839

Family Applications (1)

Application Number Title Priority Date Filing Date
IN632CA1997 IN192421B (zh) 1996-04-16 1997-04-10

Country Status (16)

Country Link
EP (1) EP0898494B1 (zh)
JP (1) JP4049395B2 (zh)
CN (1) CN1090995C (zh)
AT (1) ATE193844T1 (zh)
AU (1) AU712296B2 (zh)
BR (1) BR9708622A (zh)
CA (1) CA2249326C (zh)
CZ (1) CZ291511B6 (zh)
DE (1) DE69702313T2 (zh)
ES (1) ES2147446T3 (zh)
IN (1) IN192421B (zh)
NO (1) NO316996B1 (zh)
NZ (1) NZ332307A (zh)
PL (1) PL329443A1 (zh)
TR (1) TR199802087T2 (zh)
WO (1) WO1997038790A1 (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034030A (en) * 1994-02-22 2000-03-07 Celanese International Corporation Vinyl acetate catalyst preparation method
US5948724A (en) * 1997-10-28 1999-09-07 Celanese International Corporation Vinyl acetate catalyst comprising metallic palladium and gold and cupric acetate
US5859287A (en) * 1997-10-30 1999-01-12 Celanese International Corporation Process for preparing vinyl acetate utilizing a catalyst comprising palladium, gold, and any of certain third metals
TW201236755A (en) 2003-12-19 2012-09-16 Celanese Int Corp Halide free precursors for catalysts
EP2380661A3 (en) 2004-12-20 2012-02-01 Celanese International Corporation Modified support materials for catalysts
US8227369B2 (en) 2005-05-25 2012-07-24 Celanese International Corp. Layered composition and processes for preparing and using the composition
US8884052B2 (en) * 2011-12-15 2014-11-11 Celanese International Corporation Production of diacetoxyethylene by direct acetoxylation
DE102012003232A1 (de) * 2012-02-20 2013-08-22 Clariant Produkte (Deutschland) Gmbh Nachvergoldung von Pd-Au-gecoateten Schalenkatalysatoren
DE102012008714A1 (de) * 2012-05-03 2013-11-07 Clariant Produkte (Deutschland) Gmbh Vorimprägnierung von Schalenkatalysatoren mit einem Acetat
DE102012008715A1 (de) * 2012-05-03 2013-11-07 Clariant Produkte (Deutschland) Gmbh Herstellung von Schalenkatalysatoren in einer Beschichtungsvorrichtung
CN102775298A (zh) * 2012-08-06 2012-11-14 南京林业大学 一种羧酸乙烯酯的制备方法
CN114073985B (zh) * 2020-08-19 2024-03-29 中国石油化工股份有限公司 醋酸乙烯催化剂、其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048096A (en) * 1976-04-12 1977-09-13 E. I. Du Pont De Nemours And Company Surface impregnated catalyst
DE4120492A1 (de) * 1991-06-21 1992-12-24 Hoechst Ag Verfahren zur herstellung von vinylacetat
US5332710A (en) * 1992-10-14 1994-07-26 Hoechst Celanese Corporation Vinyl acetate catalyst preparation method
US5314858A (en) * 1992-10-14 1994-05-24 Hoechst Celanese Corporation Vinyl acetate catalyst preparation method
CA2135021A1 (en) * 1993-11-19 1995-05-20 David J. Gulliver Process for the preparation of catalysts for use in the production of vinyl acetate

Also Published As

Publication number Publication date
EP0898494B1 (en) 2000-06-14
NO316996B1 (no) 2004-07-19
NZ332307A (en) 1999-10-28
PL329443A1 (en) 1999-03-29
NO984809D0 (no) 1998-10-15
JP4049395B2 (ja) 2008-02-20
EP0898494A1 (en) 1999-03-03
DE69702313D1 (de) 2000-07-20
CA2249326A1 (en) 1997-10-23
JP2000508580A (ja) 2000-07-11
DE69702313T2 (de) 2001-01-25
NO984809L (no) 1998-12-08
CN1216482A (zh) 1999-05-12
ATE193844T1 (de) 2000-06-15
AU712296B2 (en) 1999-11-04
TR199802087T2 (xx) 1999-01-18
BR9708622A (pt) 2000-01-04
CZ333198A3 (cs) 1999-08-11
ES2147446T3 (es) 2000-09-01
CZ291511B6 (cs) 2003-03-12
CA2249326C (en) 2006-06-06
WO1997038790A1 (en) 1997-10-23
AU2724097A (en) 1997-11-07
CN1090995C (zh) 2002-09-18

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