(19)
(11) EP 2 567 994 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
16.09.2015 Bulletin 2015/38

(45) Mention of the grant of the patent:
15.07.2015 Bulletin 2015/29

(21) Application number: 12191130.9

(22) Date of filing: 17.12.2008
(51) International Patent Classification (IPC): 
C08G 18/48(2006.01)
C08J 9/14(2006.01)
C08G 18/76(2006.01)
C08L 75/04(2006.01)

(54)

Foam-forming compositions containing an azeotrope-like mixture containing z-1,1,1,4,4,4-hexafluoro-2-butene and dimethoxymethane and their uses in the preparation of polyisocyanate-based foams

Schaumbildende Zusammensetzungen mit azeotropähnlichen Gemische mit cis-1,1,1,4,4,4-Hexafluor-2-Buten und Dimethoxymethane und ihre Verwendung bei der Herstellung von Schaumstoffen auf der Basis von Polyisocyanat

Compositions moussantes contenant un mélange de type azéotropique contenant du z-1,1,1,4,4,4-hexafluoro-2-butène et du diméthoxyméthane et leurs applications dans la préparation de mousses à base de polyisocyanate


(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 19.12.2007 US 15061 P
19.12.2007 US 15027 P
19.12.2007 US 15086 P
19.12.2007 US 15089 P
19.12.2007 US 15092 P
20.12.2007 US 15214 P
20.12.2007 US 15218 P
20.12.2007 US 15221 P

(43) Date of publication of application:
13.03.2013 Bulletin 2013/11

(62) Application number of the earlier application in accordance with Art. 76 EPC:
08866190.5 / 2222746

(73) Proprietor: E. I. du Pont de Nemours and Company
Wilmington, DE 19898 (US)

(72) Inventors:
  • Loh, Gary
    Newark, DE Delaware 19702 (US)
  • Creazzo, Joseph Anthony
    Wilmington, DE Delaware 19810 (US)
  • ROBIN, Mark L
    Middletown Delaware 19709 (US)

(74) Representative: Matthews, Derek Peter 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
WO-A-2008/134061
US-A- 5 773 404
   
  • AOYAMA H ET AL: "Non-combustible foaming agent consisting of cis-hexa:fluoro:butene - is useful for thermal insulation, uniformity, mechanical strength and compression", WPI / THOMSON,, vol. 1993, no. 33, 20 July 1993 (1993-07-20), XP002498569,
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).