(19)
(11) EP 3 844 157 A1

(12)

(43) Date of publication:
07.07.2021 Bulletin 2021/27

(21) Application number: 18932004.7

(22) Date of filing: 31.08.2018
(51) International Patent Classification (IPC): 
C07D 307/68(2006.01)
(86) International application number:
PCT/US2018/049046
(87) International publication number:
WO 2020/046362 (05.03.2020 Gazette 2020/10)
(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:
  • FONTENOT, Kevin, John
    Jonesborough, TN 37659 (US)
  • JANKA, Mesfin, Ejerssa
    Kingsport, TN 37660 (US)
  • SHAIKH, Ashfaq, Shahanawaz
    Kingsport, TN 37660 (US)
  • PARKER, Kenny, Randolph
    Afton, TN 37616 (US)

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

   


(54) PRODUCTION OF PURIFIED DIALKYL-FURAN-2,5-DICARBOXYLATE (DAFD) IN A RETROFITTED DMT PLANT