Global Patent Index - EP 1328500 A1

EP 1328500 A1 20030723 - METHOD FOR THE PRODUCTION OF CARBOXYLIC ACID BENZYL ESTERS

Title (en)

METHOD FOR THE PRODUCTION OF CARBOXYLIC ACID BENZYL ESTERS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON CARBONSÄUREBENZYLESTERN

Title (fr)

PROCEDE DE PRODUCTION DE BENZYLESTERS D'ACIDE CARBOXYLIQUE

Publication

EP 1328500 A1 20030723 (DE)

Application

EP 01960694 A 20010822

Priority

  • DE 10043431 A 20000904
  • EP 0109677 W 20010822

Abstract (en)

[origin: WO0220455A1] The invention relates to a method for the production of carboxylic acid benzyl esters from dibenzyl ethers in the presence of heteropoly acids.

IPC 1-7

C07C 67/24; C07C 69/14; C07C 69/24

IPC 8 full level

C07B 61/00 (2006.01); C07C 67/24 (2006.01); C07C 67/54 (2006.01); C07C 69/025 (2006.01); C07C 69/145 (2006.01); C07C 69/157 (2006.01); C07C 69/24 (2006.01)

CPC (source: EP US)

C07C 67/24 (2013.01 - EP US)

C-Set (source: EP US)

  1. C07C 67/24 + C07C 69/24
  2. C07C 67/24 + C07C 69/14

Citation (search report)

See references of WO 0220455A1

Citation (examination)

  • PATENT ABSTRACTS OF JAPAN vol. 012, no. 410 (C - 540) 28 October 1988 (1988-10-28)
  • G. S. CLARK: "Benzyl Acetate", PERFUMER AND FLAVORIST, vol. 14, 1989, USWHEATON, IL, pages 25,26,28-30,32,34, XP002956776

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0220455 A1 20020314; AU 8211401 A 20020322; DE 10043431 A1 20020321; EP 1328500 A1 20030723; JP 2004508346 A 20040318; US 2002137966 A1 20020926; US 6555703 B2 20030429

DOCDB simple family (application)

EP 0109677 W 20010822; AU 8211401 A 20010822; DE 10043431 A 20000904; EP 01960694 A 20010822; JP 2002525080 A 20010822; US 94542501 A 20010831