(19)
(11) EP 4 076 532 A1

(12)

(43) Date of publication:
26.10.2022 Bulletin 2022/43

(21) Application number: 19956668.8

(22) Date of filing: 16.12.2019
(51) International Patent Classification (IPC): 
A61K 47/38(2006.01)
C07C 67/08(2006.01)
C07H 3/06(2006.01)
A61K 9/48(2006.01)
C07C 69/12(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 67/08
 
C-Sets:
C07C 67/08, C07C 69/14;
(86) International application number:
PCT/US2019/066474
(87) International publication number:
WO 2021/126142 (24.06.2021 Gazette 2021/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Eastman Chemical Company
Kingsport, TN 37660 (US)

(72) Inventors:
  • JANKA, Mesfin, Ejerssa
    Kingsport, TN 37660 (US)
  • FONTENOT, Kevin, John
    Jonesborough, TN 37659 (US)

(74) Representative: Ricker, Mathias 
Wallinger Ricker Schlotter Tostmann Patent- und Rechtsanwälte Partnerschaft mbB Zweibrückenstrasse 5-7
80331 München
80331 München (DE)

   


(54) ESTERIFICATION OF ACETIC ACID RECOVERED FROM WOOD ACETYLATION WITH ALCOHOLS