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Extract from the Register of European Patents

EP About this file: EP0116094

EP0116094 - METHOD FOR MEASURING ACID CONCENTRATION [Right-click to bookmark this link]
Former [1984/34]METHOD FOR MEASURING ACID OR ALKALI CONCENTRATION
[1987/40]
StatusNo opposition filed within time limit
Status updated on  28.07.1988
Database last updated on 03.08.2024
Most recent event   Tooltip28.07.1988No opposition filed within time limitpublished on 14.09.1988 [1988/37]
Applicant(s)For all designated states
MITSUI TOATSU CHEMICALS, Inc.
2-5 Kasumigaseki 3-chome Chiyoda-Ku
Tokyo 100 / JP
[N/P]
Former [1984/34]For all designated states
MITSUI TOATSU CHEMICALS, Inc.
2-5 Kasumigaseki 3-chome
Chiyoda-Ku Tokyo 100 / JP
Inventor(s)01 / KOSHIBE, Minoru
3-16, Shinhinoodai, 1-chome
Sakai-shi, Osaka 590-01 / JP
02 / HAMAMOTO, Toshiharu
210-30, Kurotori-cho
Izumi-shi, Osaka 594 / JP
03 / YAMANO, Nobuyuki
8-953, Nishitoriishi 3-chome
Takaishi-shi, Osaka 592 / JP
[1984/34]
Representative(s)Lecca, Jean, et al
CABINET PLASSERAUD 84, rue d'Amsterdam
F-75009 Paris / FR
[1984/34]
Application number, filing date83902450.202.08.1983
[1984/34]
WO1983JP00251
Priority number, dateJP1982013363402.08.1982         Original published format: JP 13363482
[1984/34]
Filing languageJA
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO8400612
Date:16.02.1984
[1984/05]
Type: A1 Application with search report 
No.:EP0116094
Date:22.08.1984
Language:EN
[1984/34]
Type: B1 Patent specification 
No.:EP0116094
Date:30.09.1987
Language:EN
[1987/40]
Search report(s)(Supplementary) European search report - dispatched on:EP28.02.1985
ClassificationIPC:G01N27/06
[1984/34]
CPC:
G01N27/048 (EP); G01N27/06 (EP)
Designated contracting statesFR [1984/34]
TitleGerman:VERFAHREN ZUR MESSUNG VON SÄUREKONZENTRATION[1987/40]
English:METHOD FOR MEASURING ACID CONCENTRATION[1987/40]
French:METHODE POUR MESURER LA CONCENTRATION D'ACIDE[1987/40]
Former [1984/34]VERFAHREN ZUR MESSUNG VON SÄURE- ODER ALKALIKONZENTRATION
Former [1984/34]METHOD FOR MEASURING ACID OR ALKALI CONCENTRATION
Former [1984/34]METHODE POUR MESURER LA CONCENTRATION D'ACIDE OU D'ALCALI
File destroyed:12.06.1999
Entry into regional phase14.03.1984Translation filed 
14.03.1984National basic fee paid 
14.03.1984Search fee paid 
14.03.1984Designation fee(s) paid 
14.03.1984Examination fee paid 
Examination procedure14.03.1984Examination requested  [1984/34]
05.05.1986Despatch of a communication from the examining division (Time limit: M04)
30.07.1986Reply to a communication from the examining division
29.10.1986Despatch of communication of intention to grant (Approval: )
06.02.1987Communication of intention to grant the patent
04.04.1987Fee for grant paid
04.04.1987Fee for publishing/printing paid
Opposition(s)01.07.1988No opposition filed within time limit [1988/37]
Fees paidRenewal fee
01.07.1985Renewal fee patent year 03
04.07.1986Renewal fee patent year 04
03.07.1987Renewal fee patent year 05
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Documents cited:Search   [ ] - No relevant documents have been disclosed
International search[Y]JPS4513520B
 [A]  - THERALD MOELLER (Writer), "Inorganic Chemistry An Advanced Textbook" (1969) JOHN WILEY & Sons, Inc. (New York), p. 361-362 (See the Item of Anhydroussulfuric ACid)
ExaminationDE1598255
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.