Opposition Filed
Opposition filed by The Dow Chemical Company, The Dow Chemical Company
EP Register Verified
METHODS FOR PREPARING CELLULOSE ETHER
Publication No.
EP1734055
•
App No.
EP06252932
•
Filed by
Shin-Etsu Chemical Co., Ltd.
•
Filed on
2006-06-06
•
Issued/Published on
2017-04-26
Publication No.
EP1734055
A2
Application No.
EP06252932
Filed: 2006-06-06
Grant Date
2017-04-26
Mention of grant
Active Oppositions
3 Active
EPO Oppositions
Patent Abstract / Summary
Patent abstract is being processed or was not provided in English by the publishing office.
IPC Classifications
C08B1/08, C08B11/00, C08B11/02, C08B11/08, C08B11/193
C08B1/08, C08B11/00
Priority Claims
JP 20050176286
Date: 2005-06-16
Designated Contracting States (31 EPC States)
Germany
(DE)
France
(FR)
United Kingdom
(GB)
Austria
(AT)
Belgium
(BE)
Bulgaria
(BG)
Switzerland
(CH)
Cyprus
(CY)
Czech Republic
(CZ)
Denmark
(DK)
Estonia
(EE)
Spain
(ES)
Finland
(FI)
Greece
(GR)
Hungary
(HU)
Ireland
(IE)
Iceland
(IS)
Italy
(IT)
Liechtenstein
(LI)
Lithuania
(LT)
Luxembourg
(LU)
Latvia
(LV)
Monaco
(MC)
Netherlands
(NL)
Poland
(PL)
Portugal
(PT)
Romania
(RO)
Sweden
(SE)
Slovenia
(SI)
Slovakia
(SK)
Turkey
(TR)
Parties & Representation
Applicants
Shin-Etsu Chemical Co., Ltd.
6-1, Ohtemachi 2-chome, Chiyoda-ku, Tokyo
JPInventors (3)
Narita, Mitsuo, c/o Shin-Etsu Chemical Co. Ltd.
Chem. Res. Cntr., 28-1, Nishi-Fukushima
JPUmezawa, Hiroshi, c/o Shin-Etsu Chemical Co. Ltd.
Chem. Res. Cntr., 28-1, Nishi-Fukushima
JPHatayama, Atsushi, c/o Naoetsu Sangyo Co. Ltd.
28-1, Nishi-Fukushima, Kubiki-ku
JPRepresentatives / Agents
Caldwell, Judith Margaret, et al
Keltie LLP, No.1 London Bridge
GBInternational N&H EMEA
Parallelvej 16, 2800 Kongens Lyngby
DKDuPont EMEA
Langebrogade 1, 1411 Copenhagen K
DKf & e patent
Braunsberger Feld 29, 51429 Bergisch Gladbach
DEKey Procedural Dates
Request-For-Examination
2009-01-09
First-Examination-Report-Despatched
2009-02-13
Patent Oppositions
Official opposition proceedings filed against European Patent EP1734055 under EPC Article 99.
#1
Opponent
Company
The Dow Chemical Company
2030 Dow Center, Abbott Road, US
Representative
International N&H EMEA
Filing
Date
Opposition in Progress
2018-01-23
#2
Opponent
Company
The Dow Chemical Company
2030 Dow Center, Abbott Road, US
Representative
DuPont EMEA
Filing
Date
Opposition in Progress
2018-01-23
#3
Opponent
Company
The Dow Chemical Company
2030 Dow Center, Abbott Road, US
Representative
f & e patent
Filing
Date
Opposition in Progress
2018-01-23
Legal Status & Event History
Official European Patent Office legal and procedural status changes recorded for this file.
No legal events recorded or events are currently synchronizing.
Patent & Non-Patent Citations
Cited documents and prior art referenced in search and examination reports.
Cited Patent Documents
Non-Patent Scientific Literature (NPL)
"High speed Continuous Mixer for the Cellulose Ether Industry", CHEMCELL SPECIALITY PULP SEMINAR, 26 June 2002 (2002-06-26), XP055457273
"CoriMix Hochleistungs-Ringschichtmixer", DRAISWERKE GMBH, 29 October 2002 (2002-10-29), XP055457284
"Dispenser", MERRIAM-WEBSTER ONLINE, 8 January 2018 (2018-01-08)
Worldwide Patent Family
Related applications and patents in the same INPADOC worldwide family.
No family members recorded or family data currently updating.
Official File Inspection
EPC Art. 128 Public Dossier
Complete European Patent Register Dossier (148 Total Documents)
The full inspection file for Application EP06252932 contains 148 total documents, including all notices of opposition, proprietor counter-statements, examination communications, third-party observations, and procedural forms. Below are all major recorded procedural filings and publication specifications.
Recorded Filings & Patent Specifications
Official publication specifications, opposition filings, proprietor replies, and procedural submissions.
European Patent Specification - Granted Patent (B1)
Publication Specification
Date: 2017-04-26
Procedure: Grant
EP1734055B1
Official European Patent Register Full Dossier
Publication Specification
Date: 2017-04-26
Procedure: All Proceedings (Examination & Opposition)
EP06252932
European Search Report (A3)
Publication Specification
Date: 2008-09-03
Procedure: Publication
EP1734055A3
European Patent Application without Search Report (A2)
Publication Specification
Date: 2006-12-20
Procedure: Publication
EP1734055A2
Revocation of patent
Dossier Filing
Date: 2022-09-16
Procedure: Examination
0009271
New entry: Decision (+date) in appeal procedure
Dossier Filing
Date: 2022-09-09
Procedure: Examination
EPIDOSNNOA9O
Deletion: Date of oral proceedings
Dossier Filing
Date: 2022-08-09
Procedure: Examination
EPIDOSDORA1NO
Change: Date of oral proceedings
Dossier Filing
Date: 2021-12-01
Procedure: Examination
EPIDOSCORA1NO
Deletion: Despatch of minutes of oral proceedings
Dossier Filing
Date: 2021-12-01
Procedure: Examination
EPIDOSDORA9NO
New entry: Date of receipt of statement of grounds of an appeal
Dossier Filing
Date: 2020-03-17
Procedure: Examination
EPIDOSNNOA3O
New entry: Date of receipt of notice of appeal
Dossier Filing
Date: 2020-01-07
Procedure: Examination
EPIDOSNNOA2O
Change: Appeal number
Dossier Filing
Date: 2020-01-07
Procedure: Examination
EPIDOSCREFNO
New entry: Appeal number
Dossier Filing
Date: 2020-01-07
Procedure: Examination
EPIDOSNREFNO
Revocation of the patent
Procedural Step
Date: 2019-11-06
Procedure: Examination
REVO
New entry: Despatch of minutes of oral proceedings
Dossier Filing
Date: 2019-11-05
Procedure: Examination
EPIDOSNORA9O
New entry: Despatch of communication that patent is revoked
Dossier Filing
Date: 2019-11-05
Procedure: Examination
EPIDOSNREV1
Oral proceedings
Procedural Step
Date: 2019-09-26
Procedure: Examination
ORAL
Change - opposition data/opponent's data or that of the opponent's representative
Dossier Filing
Date: 2019-08-02
Procedure: Opposition
0009299OPPO
New entry: Date of oral proceedings
Dossier Filing
Date: 2018-12-30
Procedure: Examination
EPIDOSNORA1O
New entry: Reply of patent proprietor to notice(s) of opposition
Dossier Filing
Date: 2018-06-22
Procedure: Opposition
EPIDOSNOBS3
Invitation to proprietor to file observations on the notice of opposition
Procedural Step
Date: 2018-02-12
Procedure: Opposition
OBSO
New entry: Communication of a notice of opposition and request to file observations + time limit
Dossier Filing
Date: 2018-02-11
Procedure: Opposition
EPIDOSNOBS2
Opposition filed
Dossier Filing
Date: 2018-01-26
Procedure: Opposition
0009260
(Expected) grant
Dossier Filing
Date: 2017-03-24
Procedure: Grant
0009210
New entry: Receipt of the translation of the claim(s)
Dossier Filing
Date: 2017-03-21
Procedure: Examination
EPIDOSNIGR7
New entry: Payment of fee for grant
Dossier Filing
Date: 2017-03-20
Procedure: Grant
EPIDOSNIGR3
New entry: Payment of fee for publishing/printing
Dossier Filing
Date: 2017-03-20
Procedure: Examination
EPIDOSNIGR5
Intention to grant the patent
Procedural Step
Date: 2016-11-17
Procedure: Grant
IGRA
New entry: Communication of intention to grant a patent
Dossier Filing
Date: 2016-11-16
Procedure: Grant
EPIDOSNIGR1
Change - classification
Dossier Filing
Date: 2016-10-28
Procedure: Examination
0008199IPCL
Change - German title
Dossier Filing
Date: 2016-10-28
Procedure: Examination
0008199TIDE
Change - English title
Dossier Filing
Date: 2016-10-28
Procedure: Examination
0008199TIEN
Change - French title
Dossier Filing
Date: 2016-10-28
Procedure: Examination
0008199TIFR
New entry: Reply to examination report
Dossier Filing
Date: 2016-10-11
Procedure: Examination
EPIDOSNEXR3
Change: Despatch of examination report + time limit
Dossier Filing
Date: 2016-08-12
Procedure: Examination
EPIDOSCEXR2
New entry: Renewal fee paid
Dossier Filing
Date: 2016-06-14
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2016-06-10
Procedure: Examination
RFEE
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2016-04-20
Procedure: Examination
EPIDOSNEXR2
Communication from the examining division
Procedural Step
Date: 2016-04-11
Procedure: Examination
EXRE
New entry: Reply to examination report
Dossier Filing
Date: 2015-09-02
Procedure: Examination
EPIDOSNEXR3
Change: Despatch of examination report + time limit
Dossier Filing
Date: 2015-06-26
Procedure: Examination
EPIDOSCEXR2
New entry: Renewal fee paid
Dossier Filing
Date: 2015-06-12
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2015-06-10
Procedure: Examination
RFEE
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2015-03-03
Procedure: Examination
EPIDOSNEXR2
Communication from the examining division
Procedural Step
Date: 2015-02-19
Procedure: Examination
EXRE
New entry: Renewal fee paid
Dossier Filing
Date: 2014-04-03
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2014-03-31
Procedure: Examination
RFEE
New entry: Renewal fee paid
Dossier Filing
Date: 2013-06-14
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2013-06-10
Procedure: Examination
RFEE
New entry: Reply to examination report
Dossier Filing
Date: 2013-02-22
Procedure: Examination
EPIDOSNEXR3
Change: Despatch of examination report + time limit
Dossier Filing
Date: 2013-01-02
Procedure: Examination
EPIDOSCEXR2
Communication from the examining division
Procedural Step
Date: 2012-08-22
Procedure: Examination
EXRE
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2012-08-21
Procedure: Examination
EPIDOSNEXR2
New entry: Reply to examination report
Dossier Filing
Date: 2012-07-31
Procedure: Examination
EPIDOSNEXR3
Change: Despatch of examination report + time limit
Dossier Filing
Date: 2012-05-22
Procedure: Examination
EPIDOSCEXR2
New entry: Renewal fee paid
Dossier Filing
Date: 2012-04-08
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2012-03-31
Procedure: Examination
RFEE
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2012-01-20
Procedure: Examination
EPIDOSNEXR2
Communication from the examining division
Procedural Step
Date: 2012-01-20
Procedure: Examination
EXRE
New entry: Renewal fee paid
Dossier Filing
Date: 2011-06-17
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2011-06-13
Procedure: Examination
RFEE
New entry: Renewal fee paid
Dossier Filing
Date: 2010-06-16
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2010-06-11
Procedure: Examination
RFEE
New entry: Reply to examination report
Dossier Filing
Date: 2009-08-20
Procedure: Examination
EPIDOSNEXR3
New entry: Loss of particular rights: legal effect
Dossier Filing
Date: 2009-07-21
Procedure: Examination
EPIDOSNLOP3
New entry: Renewal fee paid
Dossier Filing
Date: 2009-06-23
Procedure: Examination
EPIDOSNRFE2
Change: Despatch of examination report + time limit
Dossier Filing
Date: 2009-06-16
Procedure: Examination
EPIDOSCEXR2
Renewal fee payment
Procedural Step
Date: 2009-06-16
Procedure: Examination
RFEE
New entry: Loss of particular rights: despatch of communication + time limit
Dossier Filing
Date: 2009-04-03
Procedure: Examination
EPIDOSNLOP2
Definitive list of designations
Dossier Filing
Date: 2009-04-03
Procedure: Examination
0009084
Loss of particular right
Procedural Step
Date: 2009-03-04
Procedure: Examination
LOPR
First examination report
Dossier Filing
Date: 2009-02-13
Procedure: Examination
0009185
Communication from the examining division
Procedural Step
Date: 2009-02-13
Procedure: Examination
EXRE
Preliminary examination - PCT II
Procedural Step
Date: 2009-02-13
Procedure: Examination
PREX
New entry: Despatch of examination report + time limit
Dossier Filing
Date: 2009-02-07
Procedure: Examination
EPIDOSNEXR2
Request for examination filed
Dossier Filing
Date: 2009-01-23
Procedure: Examination
0009171
Publication of search report
Dossier Filing
Date: 2008-08-01
Procedure: Examination
0009013
New entry: Renewal fee paid
Dossier Filing
Date: 2008-06-20
Procedure: Examination
EPIDOSNRFE2
Renewal fee payment
Procedural Step
Date: 2008-06-12
Procedure: Examination
RFEE
Publication in section I.1 EP Bulletin
Dossier Filing
Date: 2006-11-17
Procedure: Examination
0009012
Language of the procedure
Procedural Step
Procedure: Examination
PROL
International searching authority
Procedural Step
Procedure: Examination
ISAT