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Extract from the Register of European Patents

EP About this file: EP1717223

EP1717223 - Method for the purification of isocyanates [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  02.12.2022
Database last updated on 14.09.2024
Most recent event   Tooltip02.12.2022Patent maintained (B2 publication)published on 04.01.2023  [2023/01]
Applicant(s)For all designated states
BASF SE
Carl-Bosch-Strasse 38
67056 Ludwigshafen am Rhein / DE
[2023/01]
Former [2016/29]For all designated states
BASF SE
Carl-Bosch-Strasse 38
67056 Ludwigshafen am Rhein / DE
Former [2008/10]For all designated states
BASF SE
67056 Ludwigshafen / DE
Former [2006/44]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
Inventor(s)01 / Wölfert, Andreas
BASF Aktiengesellschaft
Kärlegartenstr. 12
74906, Bad Rappenau / DE
02 / Pallasch, Hans-Jürgen
BASF Aktiengesellschaft
Am Kleisinger 29
67169, Kallstadt / DE
03 / Stroefer, Eckhard
BASF Aktiengesellschaft
Karl-Kuntz-Weg 9
68163, Mannheim / DE
04 / Blankertz, Heinrich-Josef
BASF Aktiengesellschaft
Im Elster 18
67147, Forst / DE
 [2016/29]
Former [2006/44]01 / Wölfert, Andreas
BASF Aktiengesellschaft Kärlegartenstr. 12
74906, Bad Rappenau / DE
02 / Pallasch, Hans-Jürgen
BASF Aktiengesellschaft Am Kleisinger 29
67169, Kallstadt / DE
03 / Stroefer, Eckhard
BASF Aktiengesellschaft Karl-Kuntz-Weg 9
68163, Mannheim / DE
04 / Blankertz, Heinrich-Josef
BASF Aktiengesellschaft Im Elster 18
67147, Forst / DE
Representative(s)Ellwanger, Arndt, et al
Ellwanger & Baier
Patentanwälte Partnerschaftsgesellschaft
Friedrichsplatz 9
68165 Mannheim / DE
[2023/01]
Former [2016/29]BASF IP Association
BASF SE
ZRX-C6
67056 Ludwigshafen / DE
Application number, filing date06118257.216.12.2003
[2006/44]
Priority number, dateDE2002106009219.12.2002         Original published format: DE 10260092
[2006/44]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP1717223
Date:02.11.2006
Language:DE
[2006/44]
Type: A3 Search report 
No.:EP1717223
Date:03.06.2009
[2009/23]
Type: B1 Patent specification 
No.:EP1717223
Date:20.07.2016
Language:DE
[2016/29]
Type: B2 New European patent specification 
No.:EP1717223
Date:04.01.2023
Language:DE
[2023/01]
Search report(s)(Supplementary) European search report - dispatched on:EP04.05.2009
ClassificationIPC:C07C263/10, C07C263/20, C07C265/14
[2006/44]
CPC:
B01D3/141 (EP,KR,US); C07C263/20 (EP,KR,US); C07C263/10 (EP,KR,US);
C07C265/14 (KR)
C-Set:
C07C263/10, C07C265/14 (EP,US);
C07C263/20, C07C265/14 (US,EP)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   RO,   SE,   SI,   SK,   TR [2016/29]
Former [2006/44]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Verfahren zur Reinigung von Isocyanaten[2006/44]
English:Method for the purification of isocyanates[2006/44]
French:Procédé de purification d'isocyanates[2006/44]
Examination procedure25.06.2009Amendment by applicant (claims and/or description)
25.06.2009Examination requested  [2009/33]
18.02.2013Despatch of a communication from the examining division (Time limit: M04)
26.06.2013Reply to a communication from the examining division
09.04.2014Despatch of a communication from the examining division (Time limit: M04)
13.08.2014Reply to a communication from the examining division
17.02.2016Communication of intention to grant the patent
18.05.2016Fee for grant paid
18.05.2016Fee for publishing/printing paid
18.05.2016Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP03789289.0  / EP1575907
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued (EP20030789289) is  17.05.2006
Opposition(s)Opponent(s)01  04.04.2017  12.04.2017  ADMISSIBLE
The Dow Chemical Company
Intellectual Property
2030 Dow Center
Abbott Road
Midland, MI 48640 / US
Opponent's representative
Beck Greener LLP, et al, et al
Fulwood House
12 Fulwood Place
London WC1V 6HR / GB
 [N/P]
Former [2017/20]
Opponent(s)01  04.04.2017  12.04.2017  ADMISSIBLE
The Dow Chemical Company
Intellectual Property
2030 Dow Center
Abbott Road
Midland, MI 48640 / US
Opponent's representative
Beck Greener, et al, et al
Fulwood House
12 Fulwood Place
London WC1V 6HR / GB
30.05.2017Invitation to proprietor to file observations on the notice of opposition
09.10.2017Reply of patent proprietor to notice(s) of opposition
06.09.2018Date of oral proceedings
18.10.2018Despatch of interlocutory decision in opposition
18.10.2018Despatch of minutes of oral proceedings
02.06.2022Legal effect of interlocutory decision in opposition
06.10.2022Despatch of communication that the patent will be maintained as amended
28.11.2022Fee for printing new specification paid
Appeal following opposition18.12.2018Appeal received No.  T3018/18
26.02.2019Statement of grounds filed
02.06.2022Result of appeal procedure: appeal of the proprietor was rejected
23.09.2022Despatch of the decision of the Board of Appeal
21.12.2018Appeal received No.  T3018/18
18.02.2019Statement of grounds filed
18.01.2021Invitation to file observations in an appeal (Time limit: M04) [2021/03]
02.06.2022Result of appeal procedure: appeal of the proprietor was rejected
23.09.2022Despatch of the decision of the Board of Appeal
02.06.2022Date of oral proceedings
Fees paidRenewal fee
01.12.2006Renewal fee patent year 03
02.01.2007Renewal fee patent year 04
02.01.2008Renewal fee patent year 05
31.03.2008Renewal fee patent year 06
04.01.2010Renewal fee patent year 07
03.01.2011Renewal fee patent year 08
02.01.2012Renewal fee patent year 09
02.01.2013Renewal fee patent year 10
02.01.2014Renewal fee patent year 11
05.01.2015Renewal fee patent year 12
04.01.2016Renewal fee patent year 13
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.
Lapses during opposition  TooltipHU16.12.2003
CY20.07.2016
CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
MC20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
TR20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
AT16.12.2016
GB16.12.2016
IE16.12.2016
LU16.12.2016
BE31.12.2016
CH31.12.2016
LI31.12.2016
FR02.01.2017
[2018/29]
Former [2018/28]HU16.12.2003
CY20.07.2016
CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
MC20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
AT16.12.2016
GB16.12.2016
IE16.12.2016
LU16.12.2016
BE31.12.2016
CH31.12.2016
LI31.12.2016
FR02.01.2017
Former [2018/24]CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
MC20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
AT16.12.2016
GB16.12.2016
IE16.12.2016
LU16.12.2016
BE31.12.2016
CH31.12.2016
LI31.12.2016
FR02.01.2017
Former [2017/51]CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
MC20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
GB16.12.2016
IE16.12.2016
LU16.12.2016
BE31.12.2016
CH31.12.2016
LI31.12.2016
FR02.01.2017
Former [2017/49]CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
MC20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
IE16.12.2016
LU16.12.2016
BE31.12.2016
CH31.12.2016
LI31.12.2016
FR02.01.2017
Former [2017/45]CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
MC20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
BE31.12.2016
Former [2017/37]CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SI20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
BE31.12.2016
Former [2017/31]CZ20.07.2016
DK20.07.2016
EE20.07.2016
ES20.07.2016
FI20.07.2016
IT20.07.2016
NL20.07.2016
RO20.07.2016
SE20.07.2016
SK20.07.2016
BG20.10.2016
GR21.10.2016
PT21.11.2016
BE31.12.2016
Former [2017/11]ES20.07.2016
FI20.07.2016
IT20.07.2016
NL20.07.2016
SE20.07.2016
GR21.10.2016
PT21.11.2016
Former [2017/10]FI20.07.2016
IT20.07.2016
NL20.07.2016
SE20.07.2016
Former [2017/09]FI20.07.2016
IT20.07.2016
NL20.07.2016
Documents cited:Search[DX]US3140305  (LOWENSTEIN JACK G) [DX] 1-10 * column 4, lines 37-69 *;
 [DX]US3410888  (HAMMOND PHILIP D) [DX] 1-10 * claim 1 * * column 3, line 65 - column 4, line 5 * * column 1, lines 52-59 * * examples 1-3 *;
 [X]US3471543  (SAYIGH ADNAN A R) [X] 1-10 * figure 2 * * column 10, line 12 * * column 9, lines 6-34 * * column 6, lines 6-15 *;
 [DX]US4216063  (AILLOUD PIERRE [FR], et al) [DX] 1-10 * claims 1-4 * * column 2, lines 57-59 ** column 1, lines 60,61 *;
 [DX]US5962728  (MASON ROBERT W [US], et al) [DX] 1-10 * figure 1 * * column 5, line 48 - column 8, line 7 * * examples 1-11 *
OppositionUS2680127
 US3140305
 US3405040
 US3410888
 US3471543
 US3687422
 US4216063
 US5962728
    - RAOUZEOS et al., "ENVIRONMENTAL - Drying of Industrial Sludges and Distillation Residues with Total Solvents Recovery Using Kneader-Dryers", POLUTEX ASIA '98, (19980700), pages 1 - 10, XP055369044
    - TWITCHETT H.J., "Chemistry of the Production of Organic Isocyanates", CHEMICAL SOCIETY REVIEWS, (19740000), vol. 3, no. 2, pages 209 - 230, XP008045030

DOI:   http://dx.doi.org/10.1039/cs9740300209
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.