blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0750639

EP0750639 - PROCESS FOR RECOVERING CELLULOSE ETHERS FROM AN AQUEOUS MEDIUM CONTAINING SUCH CELLULOSE ETHERS [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  03.09.1999
Database last updated on 18.11.2024
Most recent event   Tooltip03.09.1999Refusal of applicationpublished on 20.10.1999 [1999/42]
Applicant(s)For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center
Midland, Michigan 48674 / US
[1997/48]
Former [1997/01]For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center, Abbott Road
Midland, Michigan 48640 / US
Inventor(s)01 / REIBERT, Kenneth, C.
5412 Bayridge Drive
Baton Rouge, LA 70817 / US
02 / POPPE, Gregg, L.
5220 Hedgewood Drive 1018
Midland, MI 48640 / US
03 / GREEN, John, G.
1013 Beckenham Drive
Baton Rouge, LA 70808 / US
[1997/01]
Representative(s)Burford, Anthony Frederick
Beck Greener
Fulwood House
12 Fulwood Place
London
WC1V 6HR / GB
[N/P]
Former [1997/01]Burford, Anthony Frederick
W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ / GB
Application number, filing date95910114.820.01.1995
[1997/01]
WO1995US00886
Priority number, dateUS1994021209014.03.1994         Original published format: US 212090
[1997/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9525127
Date:21.09.1995
Language:EN
[1995/40]
Type: A1 Application with search report 
No.:EP0750639
Date:02.01.1997
Language:EN
The application published by WIPO in one of the EPO official languages on 21.09.1995 takes the place of the publication of the European patent application.
[1997/01]
Search report(s)International search report - published on:EP21.09.1995
ClassificationIPC:C08B11/20, C08B11/22, C02F9/00
[1997/01]
CPC:
C08B11/22 (EP,KR,US); C02F3/00 (KR); C02F2103/36 (KR)
Designated contracting statesBE,   DE,   GB,   NL,   SE [1997/01]
TitleGerman:VERFAHREN ZUR GEWINNUNG VON CELLULOSEETHERN AUS EINEM WÄSSRIGEM MEDIUM, DAS SOLCHE CELLULOSEETHERN ENTHÄLT[1997/01]
English:PROCESS FOR RECOVERING CELLULOSE ETHERS FROM AN AQUEOUS MEDIUM CONTAINING SUCH CELLULOSE ETHERS[1997/01]
French:PROCEDE DE RECUPERATION D'ETHERS CELLULOSIQUES A PARTIR D'UN MILIEU AQUEUX CONTENANT DE TELS ETHERS[1997/01]
Entry into regional phase07.10.1996National basic fee paid 
07.10.1996Designation fee(s) paid 
07.10.1996Examination fee paid 
Examination procedure07.09.1995Request for preliminary examination filed
International Preliminary Examining Authority: EP
07.10.1996Examination requested  [1997/01]
27.05.1997Despatch of a communication from the examining division (Time limit: M06)
20.11.1997Reply to a communication from the examining division
18.12.1998Despatch of communication of intention to grant (Approval: )
27.05.1999Despatch of communication that the application is refused, reason: formalities examination [1999/42]
06.06.1999Application refused, date of legal effect [1999/42]
Fees paidRenewal fee
25.11.1996Renewal fee patent year 03
21.11.1997Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.01.199905   M06   Not yet paid
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[AD]WO9308217  (HENKEL KGAA [DE]) [AD] 1 * figure 1; claims 1-5 *;
 [A]FR1100415  (APPLIC BIOCHIMIQUES SOC ET) [A] 10 * claim - *
ExaminationEP0632056
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.