Hydraulic and earth engineering – Earth treatment or control – Chemical
Reexamination Certificate
2005-02-22
2005-02-22
Sandy, Robert J. (Department: 3677)
Hydraulic and earth engineering
Earth treatment or control
Chemical
C405S266000, C405S270000, C516S079000, C516S111000
Reexamination Certificate
active
06857824
ABSTRACT:
The present invention relates to a method for sealing rock or soil comprising inserting a sealing composition obtained by mixing a silica sol and at least one gelling agent, wherein the silica sol has an S-value higher than about 72%, a method for preparing the sealing composition and the composition obtained from the method.
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Greenwood Peter
Jansson Inger
Skarp Ulf
Akzo Nobel N.V.
Burke Michelle J.
Mitchell Katherine
Parker Lainie E.
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