(19)
(11) EP 2 004 567 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:
02.10.2013 Bulletin 2013/40

(45) Mention of the grant of the patent:
28.08.2013 Bulletin 2013/35

(21) Application number: 06737664.0

(22) Date of filing: 09.03.2006
(51) International Patent Classification (IPC): 
C04B 14/18(2006.01)
(86) International application number:
PCT/US2006/008506
(87) International publication number:
WO 2007/102825 (13.09.2007 Gazette 2007/37)

(54)

MICRONIZED PERLITE FILLER PRODUCT

MIKRONISIERTES PERLITFÜLLSTOFFPRODUKT

CHARGE DE TYPE PERLITE MICRONISÉE

(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 NL PL PT RO SE SI SK TR

(43) Date of publication of application:
24.12.2008 Bulletin 2008/52

(73) Proprietor: Advanced Minerals Corporation
San Jose California 95112 (US)

(72) Inventors:
  • WANG, Bo
    Lompoc, California 93436 (US)
  • SMITH, Timothy, R.
    Lompoc, California 93436 (US)
  • MASTERS, Andrew, L.
    Santa Barbara, California 93105 (US)
  • DANVERS, Nigel, Julian, Keith
    F-75008 Paris (FR)

(74) Representative: Rushton, David John et al
Haseltine Lake LLP Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU
Bristol BS1 6HU (GB)


(56) References cited: : 
US-A- 3 233 740
US-A- 4 617 128
 US-A- 4 175 158
US-B1- 6 464 770
   
  • "Filter powder, pref. expanded perlite generator - has louvred grating opposed to direction of rotation of rotor, and controlled grinding and evacuation" DERWENT, 25 May 1982 (1982-05-25), XP002186842 -& SU 929 164 A1 (GNII STROITELNYKH MATERIALOV IZDELIJ) 23 May 1982 (1982-05-23)
   
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).