(19)
(11) EP 1 073 693 A1

(12)

(43) Date of publication:
07.02.2001 Bulletin 2001/06

(21) Application number: 99916652.3

(22) Date of filing: 13.04.1999
(51) International Patent Classification (IPC)7C08L 1/10, A01N 25/10, A61K 9/28
(86) International application number:
PCT/US9908/027
(87) International publication number:
WO 9955/774 (04.11.1999 Gazette 1999/44)
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 24.04.1998 US 81608 P
12.04.1999 US 290365

(71) Applicant: EASTMAN CHEMICAL COMPANY
Kingsport, TN 37660 (US)

(72) Inventors:
  • EDGAR, Kevin, Joseph
    Kingsport, TN 37663 (US)
  • ELLERY, Eric, Eugene
    Kingsport, TN 37664 (US)
  • OFFERMAN, Ricky, Joseph
    Kinsgport, TN 37664 (US)
  • BREWER, Richard, Johnson
    Kingsport, TN 37664 (US)
  • KRAMER, Gregory, Andrew
    Kingsport, TN 37664 (US)

(74) Representative: Wibbelmann, Jobst, Dr., Dipl.-Chem. 
Wuesthoff & Wuesthoff,Patent- und Rechtsanwälte,Schweigerstrasse 2
81541 München
81541 München (DE)

   


(54) COPRECIPITATION OF CELLULOSE ESTERS WITH FUNCTIONAL ADDITIVES AND COMPOSITIONS THUS OBTAINABLE