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Extract from the Register of European Patents

EP About this file: EP0630871

EP0630871 - Thickener combinations for building products [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.09.1999
Database last updated on 05.10.2024
Most recent event   Tooltip03.09.1999No opposition filed within time limitpublished on 20.10.1999 [1999/42]
Applicant(s)For all designated states
Clariant GmbH
Brüningstrasse 50
65929 Frankfurt am Main / DE
[1997/51]
Former [1994/52]For all designated states
HOECHST AKTIENGESELLSCHAFT
Brüningstrasse 50
D-65929 Frankfurt am Main / DE
Inventor(s)01 / Schermann, Walter, Dr.
Christian-Lechleitner-Strasse 18
D-55128 Mainz / DE
02 / Miller, Dennis, Dr.
Breslauer Strasse 20
D-65779 Kelkheim / DE
03 / Hilgenfeldt, Eckhard
Hermann-Löns-Strasse 43
D-65201 Wiesbaden / DE
04 / Böhme-Kovac, Jozef
Niersteiner Strasse 25
D-55278 Dexheim / DE
[1994/52]
Application number, filing date94109159.715.06.1994
[1994/52]
Priority number, dateDE1993432050821.06.1993         Original published format: DE 4320508
[1994/52]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0630871
Date:28.12.1994
Language:DE
[1994/52]
Type: B1 Patent specification 
No.:EP0630871
Date:28.10.1998
Language:DE
[1998/44]
Search report(s)(Supplementary) European search report - dispatched on:EP06.10.1994
ClassificationIPC:C04B28/02, C04B24/38, C09D7/12, // (C04B28/02, 24:32, 24:38),(C04B28/02, 24:16, 24:38),(C04B28/02, 24:12, 24:38),(C04B28/02, 24:04, 24:38)
[1994/52]
CPC:
C04B28/02 (EP,US); C04B24/383 (EP,US); C09D7/44 (EP,US);
C04B2103/44 (EP,US); C08L1/284 (EP,US)
C-Set:
C04B28/02, C04B24/226, C04B24/383, C04B40/0039 (US,EP);
C04B28/02, C04B24/383, C04B40/0039, C04B2103/402 (EP,US);
C04B28/02, C04B24/383, C04B40/0039, C04B2103/404 (US,EP);
C04B28/02, C04B24/383, C04B40/0039, C04B2103/406 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   NL [1994/52]
TitleGerman:Verdickerkombinationen für Baustoffprodukte[1994/52]
English:Thickener combinations for building products[1994/52]
French:Combinaisons d'agents épaississants pour produits de construction[1994/52]
Examination procedure28.06.1995Examination requested  [1995/34]
04.07.1996Despatch of a communication from the examining division (Time limit: M04)
01.10.1996Reply to a communication from the examining division
13.06.1997Despatch of a communication from the examining division (Time limit: M04)
09.10.1997Reply to a communication from the examining division
16.03.1998Despatch of communication of intention to grant (Approval: Yes)
22.04.1998Communication of intention to grant the patent
03.08.1998Fee for grant paid
03.08.1998Fee for publishing/printing paid
Opposition(s)29.07.1999No opposition filed within time limit [1999/42]
Fees paidRenewal fee
01.07.1996Renewal fee patent year 03
30.06.1997Renewal fee patent year 04
30.06.1998Renewal fee patent year 05
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Documents cited:Search[A]JPS5499135  ;
 JPS52102366  [ ] (SHOWA DENKO KK);
 [A]EP0314118  (AQUALON CO [US]) [A] 1,13 * Zusammenfassung *;
 [DA]EP0390240  (BEROL NOBEL AB [SE]) [DA] 1-10,13 * page 3, line 28 - line 30; examples 1,7 *;
 [A]DE3920025  (AQUALON GMBH [DE]) [A] 1,11-13 * Zusammenfassung *;
 [A]WO9203120  (WELLA AG [DE]);
 [A]EP0504870  (HOECHST AG [DE]);
 JPH06236055  [ ] (IND TECH RES INST)
 [X]  - N. TANAKA ET AL., CHEMICAL ABSTRACTS, (19780626), vol. 88, no. 26, Database accession no. 196432b, page 328 [X] 1,3,11-13 * abstract *
 [A]  - M. TANAKA ET AL., CHEMICAL ABSTRACTS, (19871102), vol. 107, no. 18, Database accession no. 160386m, page 393 [A] 1,11-13 * abstract *
 [A]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 79, no. 37, Database accession no. 79-67105B, & JPS5499135 A 00000000 (DAINIPPON TORYO KK) [A] * abstract *
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.