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Extract from the Register of European Patents

EP About this file: EP0514715

EP0514715 - Method for producing a particulate zeolite [Right-click to bookmark this link]
Former [1992/48]Method for producing a particulate zeolite and a particulate zeolite produced thereby
[1997/52]
StatusNo opposition filed within time limit
Status updated on  06.11.1998
Database last updated on 11.09.2024
Most recent event   Tooltip06.11.1998No opposition filed within time limitpublished on 23.12.1998 [1998/52]
Applicant(s)For all designated states
Asahi Kasei Kabushiki Kaisha
2-6, Dojimahama 1-chome Kita-ku Osaka-shi
Osaka 530-8205 / JP
[N/P]
Former [1994/40]For all designated states
Asahi Kasei Kogyo Kabushiki Kaisha
2-6, Dojimahama 1-chome Kita-ku
Osaka-shi Osaka 530 / JP
Former [1992/48]For all designated states
ASAHI KASEI KOGYO KABUSHIKI KAISHA
2-6, Dojimahama 1-chome Kita-ku
Osaka-shi, Osaka 530 / JP
Inventor(s)01 / Ishida, Hiroshi
1272-15, Nishiachi-cho
Kurashiki-shi, Okayama-ken / JP
02 / Nakagawa, Koji
1072-25, Nishitomii
Kurashiki-shi, Okayama-ken / JP
[1992/48]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[N/P]
Former [1992/48]Strehl Schübel-Hopf Groening & Partner
Maximilianstrasse 54
D-80538 München / DE
Application number, filing date92107735.007.05.1992
[1992/48]
Priority number, dateJP1991014077517.05.1991         Original published format: JP 14077591
[1992/48]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0514715
Date:25.11.1992
Language:EN
[1992/48]
Type: B1 Patent specification 
No.:EP0514715
Date:29.12.1997
Language:EN
[1997/52]
Search report(s)(Supplementary) European search report - dispatched on:EP26.09.1992
ClassificationIPC:C01B39/38
[1997/52]
CPC:
C01B39/38 (EP,US); Y10S423/22 (EP,US)
Former IPC [1992/48]C01B33/34
Designated contracting statesDE,   FR,   GB,   NL [1992/48]
TitleGerman:Verfahren zur Herstellung eines teilchenförmigen Zeoliths[1997/52]
English:Method for producing a particulate zeolite[1997/52]
French:Procédé de préparation de zéolithe sous forme de particules[1997/52]
Former [1992/48]Verfahren zur Herstellung eines teilchenförmigen Zeoliths und so erhaltener teilchenförmiger Zeolith
Former [1992/48]Method for producing a particulate zeolite and a particulate zeolite produced thereby
Former [1992/48]Procédé de préparation de zéolithe sous forme de particules et la zéolithe obtenue par ce procédé
Examination procedure01.06.1992Examination requested  [1992/48]
06.11.1995Despatch of a communication from the examining division (Time limit: M06)
17.05.1996Reply to a communication from the examining division
02.07.1996Despatch of a communication from the examining division (Time limit: M04)
31.10.1996Reply to a communication from the examining division
31.01.1997Despatch of communication of intention to grant (Approval: Yes)
24.06.1997Communication of intention to grant the patent
30.09.1997Fee for grant paid
30.09.1997Fee for publishing/printing paid
Opposition(s)30.09.1998No opposition filed within time limit [1998/52]
Fees paidRenewal fee
19.05.1994Renewal fee patent year 03
22.05.1995Renewal fee patent year 04
20.05.1996Renewal fee patent year 05
20.05.1997Renewal fee patent year 06
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Documents cited:Search[AD]JP60077123  ;
 [AD]JP60071519  ;
 [A]JP62015288  ;
 [AD]JP63315512  ;
 [AD]US4175114  (PLANK CHARLES J [US], et al);
 [A]GB2164326  (ASAHI CHEMICAL IND)
 [AD]  - PATENT ABSTRACTS OF JAPAN vol. 9, no. 211 (C-300)(1934) 29 August 1985 & JP-A-60 077 123 ( CHIYODA KAKO KENSETSU K.K. ) 1 May 1985, & JP60077123 A 19850501
 [AD]  - PATENT ABSTRACTS OF JAPAN vol. 9, no. 205 (C-299)(1928) 22 August 1985 & JP-A-60 071 519 ( CHIYODA KAKO KENSETSU K.K. ) 23 April 1985, & JP60071519 A 19850423
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 11, no. 192 (C-429)(2639) 19 June 1987 & JP-A-62 015 288 ( CHIYODA CHEM ENG & CONSTR CO LTD ) 23 January 1987, & JP62015288 A 19870123
 [AD]  - PATENT ABSTRACTS OF JAPAN vol. 13, no. 158 (C-586)(3506) 17 April 1989 & JP-A-63 315 512 ( ASAHI CHEM IND CO LTD ) 23 December 1988, & JP63315512 A 19881223
ExaminationEP0011362
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.