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Extract from the Register of European Patents

EP About this file: EP2952237

EP2952237 - Method for purification of benzoic acid [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  11.11.2016
Database last updated on 05.07.2024
Most recent event   Tooltip11.11.2016Application deemed to be withdrawnpublished on 14.12.2016  [2016/50]
Applicant(s)For all designated states
Sulzer Chemtech AG
Sulzer-Allee 48
8404 Winterthur / CH
[2015/50]
Inventor(s)01 / Faessler, Peter
Spitzwaldstrasse 48
4123 Allschwil / CH
02 / Stepanski, Manfred
Hengertweg 19
9470 Buchs / CH
 [2015/50]
Representative(s)Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB
Martin-Greif-Strasse 1
80336 München / DE
[N/P]
Former [2015/50]Manitz, Finsterwald & Partner GbR
Martin-Greif-Strasse 1
80336 München / DE
Application number, filing date14170844.602.06.2014
[2015/50]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2952237
Date:09.12.2015
Language:EN
[2015/50]
Search report(s)(Supplementary) European search report - dispatched on:EP27.11.2014
ClassificationIPC:B01D3/14, C07C51/44, C07C63/06, C07C51/265
[2015/50]
CPC:
C07C51/44 (EP,CN,US); B01D3/141 (EP,CN,US); B01D3/143 (US);
B01D9/0059 (US); B01J19/24 (US); C07C51/265 (EP,CN,US);
C07C51/43 (US); B01J2219/24 (US) (-)
C-Set:
C07C51/265, C07C63/06 (US,CN,EP);
C07C51/44, C07C63/06 (CN,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 [2015/50]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:Verfahren zur Reinigung von Benzoesäure[2015/50]
English:Method for purification of benzoic acid[2015/50]
French:Procédé de purification d'acide benzoïque[2015/50]
Examination procedure10.06.2016Application deemed to be withdrawn, date of legal effect  [2016/50]
20.07.2016Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time  [2016/50]
Fees paidPenalty fee
Additional fee for renewal fee
30.06.201603   M06   Not yet paid
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Documents cited:Search[X]DE10002810  (BASF AG [DE]) [X] 15 * the whole document *;
 [XI]WO2014052298  (DOW GLOBAL TECHNOLOGIES LLC [US]) [X] 1,4,7 * the whole document * [I] 2,3,5,6,8-14;
 [IA]  - XU JIAO ET AL., "development on the Technique of Total Recovery of Benzoic Acid Residue", CHINESE JOURNAL OF CHEMICAL ENGINEERING, (20090518), vol. 17, no. 4, pages 609 - 612, XP002732458 [I] 1-14 * the whole document * [A] 15

DOI:   http://dx.doi.org/10.1016/S1004-9541(08)60251-7
 [IA]  - M.A. SCHULTZ ET AL., "Reduce costs with dividing wall-columns", CEPMAGAZINE, (20020501), pages 64 - 71, XP002732459 [I] 1-14 [A] 15
by applicantDE1443155
 US3472630
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.