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Extract from the Register of European Patents

EP About this file: EP1615715

EP1615715 - PROCESS FOR REDUCING THE CONTENT OF WATER-SOLUBLE SALTS OF AQUEOUS SOLUTIONS OF POLYMERS CONTAINING VINYLAMINE GROUPS [Right-click to bookmark this link]
Former [2006/03]PROCESS FOR REDUCING THE CONTENT OF WATER-SOLUBLE SALTS OF AQUEOUS SOLUTIONS OF POLYMERS CONTAINING VINYLAMINE GROUPS AND USE OF THE DESALTED POLYMERS IN THE MANUFACTURE OF MULTICOMPONENT SUPERABSORBENT GELS
[2008/36]
StatusNo opposition filed within time limit
Status updated on  06.11.2009
Database last updated on 21.05.2024
Most recent event   Tooltip30.09.2011Lapse of the patent in a contracting state
New state(s): CY, TR		published on 02.11.2011  [2011/44]
Applicant(s)For all designated states
BASF SE
Carl-Bosch-Strasse 38
67056 Ludwigshafen am Rhein / DE
[N/P]
Former [2008/10]For all designated states
BASF SE
67056 Ludwigshafen / DE
Former [2006/03]For all designated states
BASF Aktiengesellschaft
67056 Ludwigshafen / DE
Inventor(s)01 / BENNETT, Andrea, Karen, 56/39 Railway Villa
Nong Yai Soi 6, Moo 6, Tambon Nong Prue, Pattaya
Chol Buri 20150, Amphur Bang Lamung / TH
02 / MITCHELL, Michael, A.
8805 Sweetwater Pl.
Waxhaw, NC 28173 / US
03 / CARRICO, Peter, W.
2274 Riverview Road
West Point, MS 39773 / US
 [2006/03]
Application number, filing date04722165.020.03.2004
[2006/03]
WO2004EP02928
Priority number, dateUS20030457956P27.03.2003         Original published format: US 457956 P
[2006/03]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2004085041
Date:07.10.2004
Language:EN
[2004/41]
Type: A1 Application with search report 
No.:EP1615715
Date:18.01.2006
Language:EN
The application published by WIPO in one of the EPO official languages on 07.10.2004 takes the place of the publication of the European patent application.
[2006/03]
Type: B1 Patent specification 
No.:EP1615715
Date:31.12.2008
Language:EN
[2009/01]
Search report(s)International search report - published on:EP07.10.2004
ClassificationIPC:B01D61/14, A61L15/60, C08L39/02, C08F8/12, C08F6/12, B01D63/16
[2006/03]
CPC:
B01D61/145 (EP,US); B01D61/14 (KR); A61L15/14 (KR);
B01D61/027 (EP,US); B01D61/04 (EP,US); B01D61/16 (EP,US);
C08F6/06 (EP,US); C08J3/03 (EP,US); B01D2311/04 (EP,US);
B01J2220/68 (EP,US); C08J2339/02 (EP,US) (-)
C-Set:
C08F6/06, C08L39/02 (EP,US);
B01D2311/04, B01D2311/12 (US,EP);
B01D2311/04, B01D2311/18 (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,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2006/03]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
TitleGerman:PROZESS ZUR REDUZIERUNG DES GEHALTS WASSERLÖSLICHER SALZE IN WÄSSRIGEN VINYLAMIN-POLYMERLÖSUNGEN[2008/36]
English:PROCESS FOR REDUCING THE CONTENT OF WATER-SOLUBLE SALTS OF AQUEOUS SOLUTIONS OF POLYMERS CONTAINING VINYLAMINE GROUPS[2008/36]
French:PROCEDE DESTINE A REDUIRE LA TENEUR EN SELS HYDROSOLUBLES DE SOLUTIONS AQUEUSES DE POLYMERES CONTENANT DES GROUPES VINYLAMINE[2008/36]
Former [2006/03]PROZESS ZUR REDUZIERUNG DES GEHALTS WASSERLÖSLICHER SALZE IN WÄSSRIGEN VINYLAMIN-POLYMERLÖSUNGEN UND VERWENDUNG DER ENTSALZTEN POLYMERE ZUR HERSTELLUNG VON SUPERABSORBERGELEN
Former [2006/03]PROCESS FOR REDUCING THE CONTENT OF WATER-SOLUBLE SALTS OF AQUEOUS SOLUTIONS OF POLYMERS CONTAINING VINYLAMINE GROUPS AND USE OF THE DESALTED POLYMERS IN THE MANUFACTURE OF MULTICOMPONENT SUPERABSORBENT GELS
Former [2006/03]PROCEDE DESTINE A REDUIRE LA TENEUR EN SELS HYDROSOLUBLES DE SOLUTIONS AQUEUSES DE POLYMERES CONTENANT DES GROUPES VINYLAMINE ET UTILISATION DE POLYMERES DESSALES DANS LA FABRICATION DE GELS SUPER-ABSORBANTS A CONSTITUANTS MULTIPLES
Entry into regional phase27.10.2005National basic fee paid 
27.10.2005Designation fee(s) paid 
27.10.2005Examination fee paid 
Examination procedure21.01.2005Request for preliminary examination filed
International Preliminary Examining Authority: EP
27.10.2005Examination requested  [2006/03]
12.01.2006Despatch of a communication from the examining division (Time limit: M04)
19.05.2006Reply to a communication from the examining division
25.02.2008Despatch of a communication from the examining division (Time limit: M04)
07.07.2008Reply to a communication from the examining division
01.09.2008Communication of intention to grant the patent
13.11.2008Fee for grant paid
13.11.2008Fee for publishing/printing paid
Opposition(s)01.10.2009No opposition filed within time limit [2009/50]
Fees paidRenewal fee
31.03.2006Renewal fee patent year 03
02.04.2007Renewal fee patent year 04
31.03.2008Renewal fee patent year 05
31.03.2008Renewal fee patent year 06
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  TooltipBE31.12.2008
CY31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
IT31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
TR31.12.2008
IE20.03.2009
LU20.03.2009
BG31.03.2009
MC31.03.2009
SE31.03.2009
GR01.04.2009
ES11.04.2009
PT01.06.2009
HU01.07.2009
[2011/43]
Former [2011/32]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
IT31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
IE20.03.2009
LU20.03.2009
BG31.03.2009
MC31.03.2009
SE31.03.2009
GR01.04.2009
ES11.04.2009
PT01.06.2009
HU01.07.2009
Former [2011/21]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
IT31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
IE20.03.2009
LU20.03.2009
BG31.03.2009
MC31.03.2009
SE31.03.2009
GR01.04.2009
ES11.04.2009
PT01.06.2009
Former [2011/14]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
IT31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
IE20.03.2009
BG31.03.2009
MC31.03.2009
SE31.03.2009
GR01.04.2009
ES11.04.2009
PT01.06.2009
Former [2010/50]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
IE20.03.2009
BG31.03.2009
MC31.03.2009
SE31.03.2009
GR01.04.2009
ES11.04.2009
PT01.06.2009
Former [2010/09]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
IE20.03.2009
BG31.03.2009
MC31.03.2009
SE31.03.2009
ES11.04.2009
PT01.06.2009
Former [2010/07]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
IE20.03.2009
MC31.03.2009
SE31.03.2009
ES11.04.2009
PT01.06.2009
Former [2009/47]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
MC31.03.2009
SE31.03.2009
ES11.04.2009
PT01.06.2009
Former [2009/46]BE31.12.2008
CZ31.12.2008
DK31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
SE31.03.2009
ES11.04.2009
PT01.06.2009
Former [2009/44]BE31.12.2008
CZ31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SK31.12.2008
SE31.03.2009
ES11.04.2009
PT01.06.2009
Former [2009/41]BE31.12.2008
CZ31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
SE31.03.2009
ES11.04.2009
PT01.06.2009
Former [2009/36]BE31.12.2008
EE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
RO31.12.2008
SI31.12.2008
ES11.04.2009
Former [2009/35]BE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
SI31.12.2008
ES11.04.2009
Former [2009/32]BE31.12.2008
FI31.12.2008
NL31.12.2008
PL31.12.2008
SI31.12.2008
Former [2009/26]FI31.12.2008
NL31.12.2008
PL31.12.2008
SI31.12.2008
Cited inInternational search[A]US5766478  (SMITH BARBARA F [US], et al) [A] 1-3,6-8 * column 10, line 41 - column 11, line 2; figure 2 * * column 16, line 15 - line 61 *;
 [DX]US5981689  (MITCHELL MICHAEL A [US], et al) [DX] 1-3,6-11 * example 1 *;
 [A]US5985160  (DILEO ANTHONY J [US], et al) [A] 4,5 * the whole document ** example 1 *;
 [DX]WO0063295  (BASF AG [DE], et al) [DX] 1-3,6,11,12 * page 10, line 1 - line 19; example 10 *
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.