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Extract from the Register of European Patents

EP About this file: EP3498689

EP3498689 - A PLANT AND METHOD FOR PURIFYING AN ISOMERIC MONOMER, SUCH AS 4,4'-METHYLENE DIPHENYL DIISOCYANATE, FROM A CRUDE MIXTURE [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  14.02.2020
Database last updated on 13.11.2024
FormerThe application has been published
Status updated on  17.05.2019
Most recent event   Tooltip14.02.2020Refusal of applicationpublished on 18.03.2020  [2020/12]
Applicant(s)For all designated states
Sulzer Chemtech AG
Neuwiesenstrasse 15
8401 Winterthur / CH
[2019/25]
Representative(s)Breuer, Markus, et al
Brienner Straße 1
80333 München / DE
[N/P]
Former [2019/25]Henkel, Breuer & Partner
Patentanwälte
Brienner Strasse 1
80333 München / DE
Application number, filing date17207511.114.12.2017
[2019/25]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3498689
Date:19.06.2019
Language:EN
[2019/25]
Search report(s)(Supplementary) European search report - dispatched on:EP26.06.2018
ClassificationIPC:C07C263/20, C07C265/14
[2019/25]
CPC:
C07C263/20 (EP,KR,US); C07C265/14 (KR,US); B01D1/22 (US);
B01D3/26 (US); B01D5/0003 (US); B01D5/006 (US);
B01D5/009 (US); B01D9/0013 (US); B01D2009/0086 (US) (-)
C-Set:
C07C263/20, C07C265/14 (EP,US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2019/25]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ANLAGE UND VERFAHREN ZUR REINIGUNG EINES ISOMEREN MONOMERS WIE Z. B. 4,4 '-METHYLENDIPHENYLDIISOCYANAT AUS EINEM ROHGEMISCH[2019/25]
English:A PLANT AND METHOD FOR PURIFYING AN ISOMERIC MONOMER, SUCH AS 4,4'-METHYLENE DIPHENYL DIISOCYANATE, FROM A CRUDE MIXTURE[2019/25]
French:INSTALLATION ET PROCÉDÉ DE PURIFICATION D'UN MONOMÈRE D'ISOMÈRES, TEL QUE LE DIISOCYANATE DE 4,4'-MÉTHYLÈNEDIPHÉNYLE, À PARTIR D'UN MÉLANGE BRUT[2019/25]
Examination procedure14.10.2019Application refused, date of legal effect [2020/12]
23.10.2019Despatch of communication that the application is refused, reason: Examination on filing A.90(5) [2020/12]
Fees paidPenalty fee
Additional fee for renewal fee
31.12.201903   M06   Not yet paid
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Documents cited:Search[ID]US4189354  (ELLENDT GUNTHER [DE], et al) [ID] 1-15 * the whole document *;
 [A]EP1734035  (BAYER MATERIALSCIENCE AG [DE]) [A] 1-15* the whole document *;
 [A]US2012123153  (BOCK MICHAEL [DE], et al) [A] 1-15 * the whole document *
by applicantUS4189354
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.