Extract from the Register of European Patents

EP Citations: EP0654057

Cited inInternational search
Type:Patent literature
Publication No.:GB1142538  [A]
 (SHELL INT RESEARCH) [A] 1* claims 1,2 *;
Type:Patent literature
Publication No.:EP0117086  [A]
 (CELANESE CORP [US]) [A] 1 * claims 1,2 *;
Type:Patent literature
Publication No.:JPH032948  
 [ ] (CITIZEN WATCH CO LTD)
Type:Non-patent literature
Publication information:[A]  - KIYOSHI CHUJO ET AL., "Catalyst for lactide polymerization", CHEMICAL ABSTRACTS, (19680610), vol. 68, no. 24, Database accession no. 105648z, page 10213 [A] 1 * abstract *