Global Patent Index - EP 0888183 A1

EP 0888183 A1 19990107 - COLLOIDAL PALLADIUM-GOLD ALLOY CATALYST FOR VINYL ACETATE PRODUCTION

Title (en)

COLLOIDAL PALLADIUM-GOLD ALLOY CATALYST FOR VINYL ACETATE PRODUCTION

Title (de)

KOLLOIDALE PALLADIUM-GOLDLEGIERUNG ALS KATALYSATOR FÜR DIE HERSTELLUNG VON VINYLACETAT

Title (fr)

CATALYSEUR COLLOIDAL PALLADIUM-OR POUR LA PRODUCTION D'ACETATE DE VINYLE

Publication

EP 0888183 A1 19990107 (EN)

Application

EP 97905898 A 19970210

Priority

  • US 9702132 W 19970210
  • US 61601596 A 19960314

Abstract (en)

[origin: WO9733690A1] This invention provides a microemulsion process for the preparation of a supported palladium-gold catalyst for the production of vinyl acetate from ethylene, acetic acid and oxygen. A preferred catalyst composition has a content of colloidal palladium-gold alloy uniformly distributed on an alpha -alumina support. An invention catalyst exhibits a sustained level of selectivity for vinyl acetate production over an extended processing period.

IPC 1-7

B01J 23/52; B01J 37/02; C07C 67/055

IPC 8 full level

B01J 23/52 (2006.01); B01J 35/00 (2006.01); B01J 37/02 (2006.01); C07C 67/055 (2006.01); C07C 69/15 (2006.01)

CPC (source: EP KR)

B01J 23/52 (2013.01 - EP); B01J 35/23 (2024.01 - EP); B01J 37/0211 (2013.01 - EP); C07C 67/055 (2013.01 - EP); H01J 23/52 (2013.01 - KR); B01J 27/055 (2013.01 - KR); B01J 37/16 (2013.01 - KR)

C-Set (source: EP)

  1. C07C 67/055 + C07C 69/01
  2. C07C 67/055 + C07C 69/15

Designated contracting state (EPC)

BE DE ES FR GB IT NL

DOCDB simple family (publication)

WO 9733690 A1 19970918; BR 9708288 A 19990803; CA 2244909 A1 19970918; CZ 292398 A3 19990317; EP 0888183 A1 19990107; JP 2000506438 A 20000530; KR 19990087789 A 19991227

DOCDB simple family (application)

US 9702132 W 19970210; BR 9708288 A 19970210; CA 2244909 A 19970210; CZ 292398 A 19970210; EP 97905898 A 19970210; JP 53259997 A 19970210; KR 19980707271 A 19980914