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Extract from the Register of European Patents

EP About this file: EP0519734

EP0519734 - Method of urethanating reaction [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.02.1998
Database last updated on 03.04.2025
Most recent event   Tooltip20.02.1998No opposition filed within time limitpublished on 08.04.1998 [1998/15]
Applicant(s)For all designated states
MITSUI TOATSU CHEMICALS, Inc.
2-5 Kasumigaseki 3-chome Chiyoda-Ku
Tokyo 100 / JP
[N/P]
Former [1992/52]For all designated states
MITSUI TOATSU CHEMICALS, Inc.
2-5 Kasumigaseki 3-chome
Chiyoda-Ku Tokyo 100 / JP
Inventor(s)01 / Shin, Masaaki
1964-5, Shimotsuchidana
Fujisawa-shi, Kanagawa / JP
02 / Misawa, Akira
3-12-9, Ofuna
Kamakura-shi, Kanagawa / JP
03 / Kawabata, Toshihiko
2-1-37-703, Miyahara, Yodogawa-ku
Osaki-shi, Osaka / JP
04 / Onofusa, Mitsuo
3-9-4, Yurigaoka, Nonomiyamachi
Naka-gun, Kanagawa / JP
05 / Hisamatsu, Kazuo
5214-1, Tamura
Hiratsuka-shi, Kanagawa / JP
06 / Kuge, Soshichi
138-1, Machibo
Mobara-shi, Chiba / JP
07 / Ikeda, Takayasu
1-23, Senshoji-Shataku, 2-2, Ayazono
Takaishi-shi, Osaka / JP
08 / Kuwamoto, Hideharu
172, Yamanouchi
Kamakura-shi, Kanagawa / JP
[1992/52]
Representative(s)Rackham, Anthony Charles, et al
Lloyd Wise Commonwealth House, 1-19 New Oxford Street
London WC1A 1LW / GB
[N/P]
Former [1996/05]Rackham, Anthony Charles, et al
Lloyd Wise, Tregear & Co. Norman House 105-109 Strand
London WC2R 0AE / GB
Former [1992/52]Allam, Peter Clerk, et al
LLOYD WISE, TREGEAR & CO. Norman House 105-109 Strand
London WC2R 0AE / GB
Application number, filing date92305636.019.06.1992
[1992/52]
Priority number, dateJP1991014730519.06.1991         Original published format: JP 14730591
[1992/52]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0519734
Date:23.12.1992
Language:EN
[1992/52]
Type: A3 Search report 
No.:EP0519734
Date:03.02.1993
Language:EN
[1993/05]
Type: B1 Patent specification 
No.:EP0519734
Date:16.04.1997
Language:EN
[1997/16]
Search report(s)(Supplementary) European search report - dispatched on:EP16.12.1992
ClassificationIPC:C08G18/08, C08G18/42
[1992/52]
CPC:
C08G18/08 (KR); C08G18/0895 (EP); C08G18/42 (KR);
C08K5/0016 (EP); C08K5/10 (EP); C08L75/04 (EP)
C-Set:
C08K5/0016, C08L75/04 (EP);
C08K5/10, C08L75/04 (EP);
C08L75/04, C08L2666/04 (EP)
Designated contracting statesDE,   ES,   FR,   GB,   NL [1992/52]
TitleGerman:Urethanisierungsreaktionsverfahren[1992/52]
English:Method of urethanating reaction[1992/52]
French:Méthode pour la réaction d'uréthanisation[1992/52]
Examination procedure30.06.1992Examination requested  [1992/52]
26.05.1995Despatch of a communication from the examining division (Time limit: M06)
04.12.1995Reply to a communication from the examining division
05.07.1996Despatch of communication of intention to grant (Approval: Yes)
07.10.1996Communication of intention to grant the patent
16.12.1996Fee for grant paid
16.12.1996Fee for publishing/printing paid
Opposition(s)17.01.1998No opposition filed within time limit [1998/15]
Fees paidRenewal fee
11.06.1994Renewal fee patent year 03
01.05.1995Renewal fee patent year 04
10.06.1996Renewal fee patent year 05
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[X]EP0417581  (BAYER AG [DE]);
 [X]EP0396047  (KURARAY CO [JP]);
 [X]EP0375321  (MITSUI TOATSU CHEMICALS [JP]);
 [X]EP0041347  (DAINICHISEIKA COLOR CHEM [JP], et al);
 [X]EP0012413  (BAYER AG [DE]);
 [X]WO9100304  (DOW CHEMICAL CO [US])
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.