(19)
(11) EP 2 373 835 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:
20.12.2017 Bulletin 2017/51

(45) Mention of the grant of the patent:
15.11.2017 Bulletin 2017/46

(21) Application number: 09832760.4

(22) Date of filing: 08.12.2009
(51) International Patent Classification (IPC): 
C08J 5/18(2006.01)
B65D 65/46(2006.01)
 C08L 1/02(2006.01)
(86) International application number:
PCT/CA2009/001786
(87) International publication number:
WO 2010/069046 (24.06.2010 Gazette 2010/25)

(54)

A METHOD TO CONTROL THE DISPERSIBILITY AND BARRIER PROPERTIES OF DRIED NANOCRYSTALLINE CELLULOSE IN SOLUTIONS OF DIFFERENT pH AND IONIC STRENGTH

VERFAHREN ZUR STEUERUNG DER DISPERGIERBARKEIT UND BARRIEREEIGENSCHAFTEN VON GETROCKNETER NANOKRISTALLINER CELLULOSE IN LÖSUNGEN MIT VERSCHIEDENEM PH-WERT UND VERSCHIEDENER IONENSTÄRKE

PROCÉDÉ DE RÉGULATION DES PROPRIÉTÉS DE DISPERSION ET DE BARRIÈRE D'UNE CELLULOSE NANOCRISTALLINE SÈCHE DANS DES SOLUTIONS DE PH DIFFÉRENT ET DE FORCE IONIQUE DIFFÉRENTE

(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 MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 17.12.2008 US 193699 P

(43) Date of publication of application:
12.10.2011 Bulletin 2011/41

(73) Proprietor: FPInnovations
Pointe-Claire, QC H9R 3J9 (CA)

(72) Inventors:
  • BECK, Stephanie
    Montréal Québec H4C 2W7 (CA)
  • BOUCHARD, Jean
    Montréal Québec H2C 2Y5 (CA)
  • BERRY, Richard
    Notre-Dame-de-L'Ile-Perrot Québec J7V 7P2 (CA)
  • GODBOUT, Joseph Donat Louis
    Montréal Québec H2K 3VA (CA)

(74) Representative: Green, Mark Charles 
Urquhart-Dykes & Lord LLP Euston House 24 Eversholt Street
London NW1 1AD
London NW1 1AD (GB)


(56) References cited: : 
EP-A1- 0 710 606
US-A- 5 629 055
 EP-A1- 0 710 606
US-A- 5 629 055
   
  • DONG ET AL: "Effect of Counterions on Ordered Phase Formation in Suspensions of Charged Rodlike Cellulose Crystallites", LANGMUIR, AMERICAN CHEMICAL SOCIETY, NEW YORK, NY; US, vol. 13, 1 January 1997 (1997-01-01), pages 2404-2409, XP008153517, ISSN: 0743-7463 [retrieved on 1997-04-16]
  • J.-F. REVOL ET AL.: "Solid Self-Assembled films of Cellulose with chiral Nematic Order and Optically Variable Properties", JOURNAL OF PULP AND PAPER SCIENCE, vol. 24, 5 May 1998 (1998-05-05), pages 146-149, XP9165638,
  • DONG X. M. ET AL: 'Effect of Counterions on Ordered Phase Formation in Suspensions of Charged Rodlike Cellulose Crystallites' LANGMUIR vol. 13, 1997, pages 2404 - 2409, XP008153517
   
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).