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(11)

EP 0 644 901 A1

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(43) Date of publication: 29.03.1995 Bulletin 1995/13 (21) Application number: 93921169.0 (22) Date of filing: 01.06.1993

(51) International Patent Classification (IPC):  C08B 1/ 02( . ) C08B 3/ 06( . ) (86) International application number: PCT/US1993/005164 (87) International publication number: WO 1993/025584 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 11.06.1992 US 19920897113 (71) Applicant: EASTMAN CHEMICAL COMPANY Kingsport, TN 37660 (US)	(72) Inventors: MITCHELL, Melvin, Glenn Kingsport, TN 37663 (US) MAGINNIS, James, Stafford, Jr. Kingsport, TN 37664 (US) (74) Representative: Wibbelmann, Jobst, Dr., et al  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München D-81541 München (DE)