(19)
(11) EP 2 102 634 A2

(12)

(88) Date of publication A3:
20.11.2008

(43) Date of publication:
23.09.2009 Bulletin 2009/39

(21) Application number: 07862592.8

(22) Date of filing: 05.12.2007
(51) International Patent Classification (IPC): 
G01N 21/47(2006.01)
B05D 5/06(2006.01)
(86) International application number:
PCT/US2007/025000
(87) International publication number:
WO 2008/070154 (12.06.2008 Gazette 2008/24)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 05.12.2006 US 873161 P

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington, DE 19898 (US)

(72) Inventors:
  • PRAKASH, Arun
    West Chester, Pennsylvania 19382 (US)
  • GALLAGHER, John Paul
    Hockessin, Delaware 19707 (US)
  • KARMES, Roger Albert
    North East, Maryland 21901 (US)
  • RODRIGUES, Allan Blase Joseph
    Bloomfield Hills, Michigan 48304 (US)

(74) Representative: DuPont Performance Coatings Biering/Blum/Kimpel 
DuPont Performance Coatings GmbH Patent and License Department Christbusch 25
42285 Wuppertal
42285 Wuppertal (DE)

   


(54) METHOD FOR CHARACTERIZING HIDING OF COATING COMPOSITIONS AND APPARATUS USED THEREFOR