PROCESS FOR INCREASING STABILITY OF POLY(ESTERAMIDES)

Title:

PROCESS FOR INCREASING STABILITY OF POLY(ESTERAMIDES)

Document Type and Number:

WIPO Patent Application WO1993015130

Kind Code:

A3

Abstract:

Process for treating poly(esteramides) to improve the heat and storage stability thereof. Polymer is optionally suspended in a liquid medium, treated with an amide group-containing solvent, and then separated from the solvent and liquid medium (if any). Also, poly(esteramides) treated in this process and devices and articles comprising such poly(esteramides).

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Inventors:

BARROWS THOMAS H (US)
TRUONG MYHANH T (US)
SUSZKO PAUL R (US)
STEGINK DAVID W (US)

Application Number:

PCT/US1992/010845

Publication Date:

September 16, 1993

Filing Date:

December 15, 1992

Export Citation:

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Assignee:

MINNESOTA MINING & MFG (US)

International Classes:

A61L17/10; A61L31/06; C08G63/685; C08G69/44; A61L27/00; C08G69/46; C08G69/48; C08J3/00; C08L77/00; C08L77/12; (IPC1-7): C08G69/44; C08G69/46; C08J3/09; A61L31/00

Domestic Patent References:

WO1984003035A1

1984-08-16

Foreign References:

US4226243A	1980-10-07
US4209607A	1980-06-24

Other References:

MAKROMOLEKULARE CHEMIE, RAPID COMMUNICATIONS vol. 9, no. 3, March 1988, BASEL CH pages 119 - 124 S. ANDINI ET AL 'Synthesis of block polyesteramides containing biodegradable poly(L,L-lactide) segments.'
DATABASE WPI Week 8532, Derwent Publications Ltd., London, GB; AN 192653

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