EP 2144850 A2 20100120 - METHOD FOR PROCESSING CRUDE BENTONITE
Title (en)
METHOD FOR PROCESSING CRUDE BENTONITE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON ROHEM BENTONIT
Title (fr)
PROCÉDÉ DE TRAITEMENT DE LA BENTONITE BRUTE
Publication
Application
Priority
- EP 2007064312 W 20071220
- DE 102006061046 A 20061222
Abstract (en)
[origin: CA2688084A1] The present invention relates to a method for processing crude bentonite, process bentonite obtainable by the method according to the present inventi on, use of this bentonite in papermaking and/or finishing, in particular, as a filler, coating pigment, retention agent or rheological additive, as a pi tch control agent, for the control of sticky deposits in the paper machine o r to mask and/or reduce the residual chemicals in pigments.
IPC 8 full level
C01B 33/40 (2006.01); D21H 21/02 (2006.01)
CPC (source: EP)
C01B 33/40 (2013.01); D21H 17/68 (2013.01)
Citation (search report)
See references of WO 2008077877A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
DE 102006061046 A1 20080626; CA 2688084 A1 20080703; EP 2144850 A2 20100120; WO 2008077877 A2 20080703; WO 2008077877 A3 20081231
DOCDB simple family (application)
DE 102006061046 A 20061222; CA 2688084 A 20071220; EP 07857933 A 20071220; EP 2007064312 W 20071220