C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 1/28 (2006.01) C08K 5/17 (2006.01) C08L 3/08 (2006.01) C09K 8/10 (2006.01) C09K 8/528 (2006.01)
Patent
CA 2374417
The invention relates to a ligand-modified cellulose product comprising cellulose ether, calcium salt and at least one ligand as a chelating agent. The product can be used e.g. in drilling fluids.
Produit de cellulose modifiée par ligand composé d'éther de cellulose, de sel de calcium et d'au moins un ligand comme agent chélateur. Le produit s'utilise, par exemple, dans les boues de forage.
Maas Antonius Franciscus
Ruppert Oliver
Urpilainen Ulla
Cp Kelco Oy
Noviant Oy
Ridout & Maybee Llp
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