BIODEGRADABLE THERMOPLASTIC POLYMER BLEND COMPOSITIONS WITH ACCELERATED BIODEGRADATION

Title:

BIODEGRADABLE THERMOPLASTIC POLYMER BLEND COMPOSITIONS WITH ACCELERATED BIODEGRADATION

Document Type and Number:

WIPO Patent Application WO1994016020

Kind Code:

A3

Abstract:

Biodegradable thermoplastic polymer blend compositions are presented in which a first polymer and a second polymer are intimately associated together in a uniform, substantially homogeneous blend. The second polymer of the composition acts to facilitate biodegradation of the composition, and of shaped articles manufactured therefrom, at a rate which is enhanced over that of the most slowly biodegrading individual polymer component of the composition. The composition may further comprise a polysaccharide component, such as a starch component like destructurized starch.

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Inventors:

LOOMIS GARY L
IZBICKI MICHAEL J
FLAMMINO ANTHONY

Application Number:

PCT/US1994/000221

Publication Date:

March 09, 1995

Filing Date:

January 06, 1994

Export Citation:

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Assignee:

PARKE DAVIS & CO (US)

International Classes:

C08L29/04; C08L23/26; C08L101/00; C08L101/12; C08L101/16; C08F; (IPC1-7): C08L101/00; C08L29/04

Domestic Patent References:

WO1992016584A1	1992-10-01
WO1992019680A1	1992-11-12

Foreign References:

EP0454850A1	1991-11-06
EP0124336A1	1984-11-07
EP0400532A1	1990-12-05
EP0519367A1	1992-12-23
EP0282368A1	1988-09-14
EP0407350A2	1991-01-09
EP0476415A1	1992-03-25

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