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EP1047735
European procedure
Extract from the Register of European Patents
EP About this file: EP1047735
| EP1047735 - METHOD OF PREPARING HYDROPHOBIC SILICA [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.02.2004 Database last updated on 19.04.2025 | Most recent event Tooltip | 06.02.2004 | No opposition filed within time limit | published on 24.03.2004 [2004/13] | Applicant(s) | For all designated states CABOT CORPORATION Two Seaport Lane Suite 1300 Boston, Massachusetts 02210-2019 / US | [N/P] |
| Former [2001/18] | For all designated states CABOT CORPORATION Two Seaport Lane, Suite 1300 Boston, Massachusetts 02210-2019 / US | ||
| Former [2000/44] | For all designated states Cabot Corporation Billerica Technical Center, 157 Concord Road Billerica, MA 01821-7001 / US | Inventor(s) | 01 /
MENON, Vinayan, C. 5908 Annapolis Rd N.E. Albuquerque, NM 87111 / US | 02 /
SMITH, Douglas, M. 215 Richmond S.E. Albuquerque, NM 87106 / US | 03 /
KOEHLERT, Kenneth, C. 96 Ice Pond Road Carlisle, Massachusetts 01741 / US | [2001/01] |
| Former [2000/44] | 01 /
MENON, Vinayan, C. 801 Locust Place N.E. 2060 H Albuquerque, NM 87102 / US | ||
| 02 /
SMITH, Douglas, M. 215 Richmond S.E. Albuquerque, NM 87106 / US | |||
| 03 /
KOEHLERT, Kenneth, C. 1210 Dorchester Drive Champaign, IL 61821 / US | Representative(s) | Lawrence, John Barker Brettell LLP 100 Hagley Road Edgbaston Birmingham B16 8QQ / GB | [N/P] |
| Former [2000/44] | Lawrence, John Barker Brettell 138 Hagley Road Edgbaston Birmingham B16 9PW / GB | Application number, filing date | 99902974.7 | 13.01.1999 | [2000/44] | WO1999US00161 | Priority number, date | US19980071080P | 15.01.1998 Original published format: US 71080 P | US19980071359P | 15.01.1998 Original published format: US 71359 P | [2000/44] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | WO9936355 | Date: | 22.07.1999 | Language: | EN | [1999/29] | Type: | A2 Application without search report | No.: | EP1047735 | Date: | 02.11.2000 | Language: | EN | The application published by WIPO in one of the EPO official languages on 22.07.1999 takes the place of the publication of the European patent application. | [2000/44] | Type: | B1 Patent specification | No.: | EP1047735 | Date: | 02.04.2003 | Language: | EN | [2003/14] | Search report(s) | International search report - published on: | EP | 09.12.1999 | Classification | IPC: | C09C1/30, C01B33/159, C01B33/18 | [2000/44] | CPC: |
C09C1/3081 (EP,US);
C01B33/149 (EP,US);
C01B33/159 (EP,US);
C01B33/18 (EP,US);
C01P2002/87 (EP,US);
C01P2002/88 (EP,US);
C01P2004/80 (EP,US);
C01P2006/10 (EP,US);
C01P2006/12 (EP,US);
| Designated contracting states | CH, DE, ES, FR, GB, IT, LI, NL, SE [2000/44] | Title | German: | VERFAHREN ZUR HERSTELLUNG VON HYDROPHOBER KIESELSÄURE | [2000/44] | English: | METHOD OF PREPARING HYDROPHOBIC SILICA | [2000/44] | French: | PROCEDE DE PREPARATION DE SILICE HYDROPHOBE | [2000/44] | Entry into regional phase | 28.07.2000 | National basic fee paid | 28.07.2000 | Designation fee(s) paid | 28.07.2000 | Examination fee paid | Examination procedure | 09.08.1999 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 28.07.2000 | Examination requested [2000/44] | 27.12.2000 | Despatch of a communication from the examining division (Time limit: M04) | 27.04.2001 | Reply to a communication from the examining division | 28.06.2001 | Despatch of communication of intention to grant (Approval: No) | 05.10.2001 | Despatch of communication of intention to grant (Approval: later approval) | 27.09.2002 | Communication of intention to grant the patent | 02.01.2003 | Fee for grant paid | 02.01.2003 | Fee for publishing/printing paid | Opposition(s) | 05.01.2004 | No opposition filed within time limit [2004/13] | Fees paid | Renewal fee | 05.01.2001 | Renewal fee patent year 03 | 10.01.2002 | Renewal fee patent year 04 | 09.01.2003 | Renewal fee patent year 05 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | CH | 02.04.2003 | LI | 02.04.2003 | SE | 02.07.2003 | ES | 30.10.2003 | [2004/05] |
| Former [2004/02] | CH | 02.04.2003 | |
| LI | 02.04.2003 | ||
| SE | 02.07.2003 | ||
| Former [2003/41] | SE | 02.07.2003 | Cited in | International search | [A]GB682574 (DOW CORNING LTD) [A] 1-3,5-8,16-19,26-29 * page 1, column R, line 90 - page 2, column L, line 4 * * page 2, column L, line 50 - line 61 * * page 2, column R, line 79 - line 87 * * page 2, column R, line 100 - line 106 *; | [A]US4054689 (CALVIN DONALD WILLIAM) [A] 1-4,8 * page 1, line 59 - page 2, line 10 * * claims 1-4,6,7 * * example 1 *; | [A]US3948676 (LAUFER SIEGMAR) [A] 1,12-15 * the whole document *; | [A]GB783868 (MIDLAND SILICONES LTD) [A] 1,10,11 * the whole document *; | [A]EP0251176 (TORAY SILICONE CO [JP]) [A] 1,2,20 * claims 1-6 * * page 2, line 41 - page 4, line 13 *; | [A]EP0382370 (DOW CORNING [US]) [A] 1-5 * claims 1-7 * * page 2, line 1 - line 11 * * page 3, line 16 - page 4, line 39 *; | [A]JPS61204113 ; | [A]JPH02226066 ; | [A]FR2078599 (ICI LTD) | [A] - PATENT ABSTRACTS OF JAPAN, (19870204), vol. 011, no. 038, Database accession no. (C - 401), & JP61204113 A 19860910 (KAO CORP) [A] 1 * abstract * | [A] - DATABASE WPI, 1, Derwent World Patents Index, vol. 1990, no. 42, Database accession no. 1990-316859, XP002119341 & JPH02226066 A 19900907 (NAKARAI TESK KK) [A] 1 * abstract * |