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Extract from the Register of European Patents

EP About this file: EP0916619

EP0916619 - Porous inorganic particulate material [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  01.12.2006
Database last updated on 13.11.2024
Most recent event   Tooltip01.12.2006Patent maintained (B2 publication)published on 03.01.2007  [2007/01]
Applicant(s)For all designated states
Imerys Minerals Limited
John Keay House St. Austell
Cornwall PL25 4DJ / GB
[2007/01]
Former [2002/03]For all designated states
Imerys Minerals Limited
John Keay House
St. Austell Cornwall PL25 4DJ / GB
Former [1999/20]For all designated states
ECC INTERNATIONAL LIMITED
1015 Arlington Business Park
Theale, Reading, Berkshire RG7 4SA / GB
Inventor(s)01 / Jones, Thomas Richard
11 North Hill Park
St Austell, Cornwall PL25 4BJ / GB
02 / Paynter, Christopher Derek
The New Bungalow
Old Hill, Grampound, Truro TR2 4RY / GB
[1999/20]
Representative(s)Nash, David Allan
Haseltine Lake LLP
Redcliff Quay
120 Redcliff Street
Bristol BS1 6HU / GB
[N/P]
Former [2002/14]Nash, David Allan
Haseltine Lake & Co., Imperial House, 15-19 Kingsway
London WC2B 6UD / GB
Former [2002/03]Nash, David Allan
Haseltine Lake & Co. Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU / GB
Former [1999/20]McCormack, Derek James
ECC International Ltd, Patents Department, John Keay House
St Austell, Cornwall PL25 4DJ / GB
Application number, filing date98308907.930.10.1998
[1999/20]
Priority number, dateGB1997002381812.11.1997         Original published format: GB 9723818
[1999/20]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0916619
Date:19.05.1999
Language:EN
[1999/20]
Type: B1 Patent specification 
No.:EP0916619
Date:03.09.2003
Language:EN
[2003/36]
Type: B2 New European patent specification 
No.:EP0916619
Date:03.01.2007
Language:EN
[2007/01]
Search report(s)(Supplementary) European search report - dispatched on:EP24.02.1999
ClassificationIPC:C01B33/40, B01J20/12, C08K9/02, C08K9/04, C09D7/12, D21H17/68, D21H19/40
[1999/20]
CPC:
B01J20/12 (EP,US); C01B33/40 (EP,US); C08K9/02 (EP,US);
C09D7/61 (EP,US); C09D7/68 (EP,US); C09D7/69 (EP,US);
D21H17/68 (EP,US); C08K7/26 (EP,US) (-)
Designated contracting statesAT,   DE,   DK,   ES,   FR,   GB,   GR [2000/04]
Former [1999/20]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Anorganisches, poröses, partikuläres Material[1999/20]
English:Porous inorganic particulate material[1999/20]
French:Matériau particulaire inorganique poreux[1999/20]
Examination procedure30.10.1998Examination requested  [1999/20]
05.10.2001Despatch of communication of intention to grant (Approval: Yes)
14.01.2002Communication of intention to grant the patent
15.04.2002Fee for grant paid
15.04.2002Fee for publishing/printing paid
Opposition(s)Opponent(s)01  25.05.2004  05.07.2004  ADMISSIBLE
Akzo Nobel N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Opponent's representative
Rasser, Jacobus Cornelis
Howrey LLP
Rembrandt Tower, 31st Floor
Amstelplein 1
1096 HA Amsterdam / NL
 [N/P]
Former [2005/34]
Opponent(s)01  25.05.2004  05.07.2004  ADMISSIBLE
Akzo Nobel N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Opponent's representative
Rasser, Jacobus Cornelis
Howrey Simon Arnold & White, LLP Rembrandt Tower, 31st Floor Amstelplein 1
1096 HA Amsterdam / NL
Former [2004/30]
Opponent(s)01  25.05.2004   
Akzo Nobel N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Opponent's representative
Van Deursen, Petrus Hubertus
Akzo Nobel N.V. Intellectual Property Department P.O. Box 9300
6800 SB Arnhem / NL
08.07.2004Invitation to proprietor to file observations on the notice of opposition
17.01.2005Reply of patent proprietor to notice(s) of opposition
14.03.2006Legal effect of interlocutory decision in opposition
14.03.2006Date of oral proceedings
03.05.2006Despatch of interlocutory decision in opposition
03.05.2006Despatch of minutes of oral proceedings
25.08.2006Despatch of communication that the patent will be maintained as amended
22.11.2006Fee for printing new specification paid
Fees paidRenewal fee
18.09.2000Renewal fee patent year 03
19.09.2001Renewal fee patent year 04
17.09.2002Renewal fee patent year 05
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Lapses during opposition  TooltipAT03.09.2003
DK03.12.2003
GR03.12.2003
ES14.12.2003
[2004/46]
Former [2004/41]AT03.09.2003
DK03.12.2003
GR03.12.2003
Former [2004/14]AT03.09.2003
GR03.12.2003
Documents cited:Search[Y]US3733391  (HOFFMAN G) [Y] 1-4,7,8,10,11 * page 2, line 31 - page 3, line 3 *;
 [DA]GB2120571  (GRACE W R & CO) [DA] 1,2,7,8,12-14 * the whole document *;
 [Y]  - MEINHOLD R H ET AL, "Comparison of the kinetics of flash calcination of kaolinite in different calciners", CHEM ENG RES DES PART A TRANS INST CHEM ENG;CHEMICAL ENGINEERING RESEARCH & DESIGN, PART A: TRANSACTIONS OF THE INSTITUTE OF CHEMICAL ENGINEERS JAN 1994, (199401), vol. 72, no. A1, pages 105 - 113, XP002091435 [Y] 1-4,7,8,10,11 * page 108, figure 6 * * page 111, column R - page 112 *
 [A]  - BRIDSON D ET AL, "PROPERTIES OF FLASH-CALCINED KAOLINITE", CLAYS CLAY MINER JUN 1985, (198506), vol. 33, no. 3, pages 258 - 260, XP002091436 [A] 1 * the whole document *
Opposition   - T.W. Davis, Journal of Materials Science Letters 4 (1985) 39-42
    - S. Salvador, Cement and Concrete Research 25 (1995) 102-112
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.