(19)
(11) EP 2 231 764 A2

(12)

(88) Date of publication A3:
11.09.2009

(43) Date of publication:
29.09.2010 Bulletin 2010/39

(21) Application number: 08862006.7

(22) Date of filing: 16.12.2008
(51) International Patent Classification (IPC): 
C08K 9/04(2006.01)
(86) International application number:
PCT/IB2008/003774
(87) International publication number:
WO 2009/077860 (25.06.2009 Gazette 2009/26)
(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
Designated Extension States:
AL BA MK RS

(30) Priority: 17.12.2007 US 14240 P
03.03.2008 US 41113

(71) Applicant: Specialty Minerals (Michigan) Inc.
Bingham Farms, Michigan 48025 (US)

(72) Inventor:
  • WERNETT, Patrick, C.
    Upper Black Eddy, PA 18972 (US)

(74) Representative: Bawden, Peter Charles 
Bawden & Associates 4 The Gatehouse, 2 High Street
Harpenden, Herts AL5 2TH
Harpenden, Herts AL5 2TH (GB)

   


(54) SURFACE TREATED INORGANIC PARTICLE ADDITIVE FOR INCREASING THE TOUGHNESS OF POLYMERS