Yttrium and rare earth compounds catalyzed lactone...

Details Yttrium and rare earth compounds catalyzed lactone... Yttrium and rare earth compounds catalyzed lactone...

C - Chemistry, Metallurgy

07

F

C07F 5/00 (2006.01) A61K 47/48 (2006.01) C07F 7/08 (2006.01) C08F 4/52 (2006.01) C08G 63/08 (2006.01) C08G 63/82 (2006.01) C08G 63/84 (2006.01) C08L 67/04 (2006.01) C09D 167/04 (2006.01)

Patent

CA 2066029

2066029 9105001 PCTABS00003 Process for yttrium and rare earth compound catalyzed polymerization of lactones and the living polymer compositions of such polymerizations, novel polyester products of such polymerizations and novel yttrium and rare earth metal compounds useful as catalysts in the polymerization of biodegradable polymers for medical uses and flexible films for packaging.

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