Extract from the Register of European Patents

EP About this file: EP0014713

EP0014713 - A METHOD OF REFINING CELLULOSE PULPS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.08.1985
Database last updated on 11.04.2026
Most recent event   Tooltip26.08.1985No opposition filed within time limitpublished on 30.10.1985 [1985/44]
Applicant(s)For all designated states
MODO-CHEMETICS AKTIEBOLAG
Box 802
891 18 Örnsköldsvik / SE
[N/P]
Former [1980/18]For all designated states
MODO-CHEMETICS AKTIEBOLAG
Box 802
S-891 18 Örnsköldsvik / SE
Inventor(s)01 / LINDAHL, Jonas Arne Ingvar
Timmervägen 7
S-892 00 Domsjö / SE
02 / SVENSSON, Claes Göran Sigurd
P1 13607
S-442 04 Kode / SE
[1980/18]
Representative(s)Hammar, Stig Lennart, et al
L.A. Groth & Co. AB Västmannagatan 43
113 25 Stockholm / SE
[N/P]
Former [1980/18]Hammar, Stig, et al
L.A. Groth & Co. AB Västmannagatan 43
S-113 25 Stockholm / SE
Application number, filing date79900386.829.03.1979
[1980/18]
WO1979SE00073
Priority number, dateSE1978000367431.03.1978         Original published format: SE 7803674
[1980/18]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO7900861
Date:01.11.1979
[1979/22]
Type: A1 Application with search report 
No.:EP0014713
Date:03.09.1980
Language:EN
The application published by WIPO in one of the EPO official languages on 01.11.1979 takes the place of the publication of the European patent application.
[1980/18]
Type: B1 Patent specification 
No.:EP0014713
Date:24.10.1984
Language:EN
[1984/43]
ClassificationIPC:D21C9/08, D21C9/10, D21C9/16, C01B15/01
[1980/18]
CPC:
D21C9/1026 (EP,US); D21C9/00 (EP,US)
Designated contracting statesFR [1980/18]
TitleGerman:VERFAHREN ZUM RAFFINIEREN VON CELLULOSE-PULPE[1980/18]
English:A METHOD OF REFINING CELLULOSE PULPS[1980/18]
French:METHODE DE RAFFINAGE DE PULPE CELLULOSIQUE[1980/18]
Entry into regional phase16.11.1979National basic fee paid 
16.11.1979Designation fee(s) paid 
23.04.1980Examination fee paid 
Examination procedure23.04.1980Examination requested  [1980/18]
26.08.1981Despatch of a communication from the examining division (Time limit: M04)
11.12.1981Reply to a communication from the examining division
04.03.1982Despatch of a communication from the examining division (Time limit: M02)
03.05.1982Reply to a communication from the examining division
09.01.1984Despatch of communication of intention to grant (Approval: )
13.04.1984Communication of intention to grant the patent
11.07.1984Fee for grant paid
11.07.1984Fee for publishing/printing paid
Opposition(s)25.07.1985No opposition filed within time limit [1985/44]
Fees paidRenewal fee
27.03.1981Renewal fee patent year 03
15.03.1982Renewal fee patent year 04
17.03.1983Renewal fee patent year 05
14.03.1984Renewal fee patent year 06
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Cited inInternational search[A] US2963395  (SANGHO BACK et al.) [A]
 [A] SE358679  (PULP PAPER RES INST et al.) [A]
 [A]   Pulp and Paper Manufacture, 2nd edition, Vol 1, The Pulping of Wood, 1969, pages 197-198, pages 207-208. [A]
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