WO2006031218A1
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Oil base fluids and organophilic tannin-containing compositions to lower the fluid loss thereof
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US2006205932A1
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Process for the treatment for chitinaceous materials and for the deacetylation of chitin
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Anhydride-modified chitosan, method of preparation thereof, and fluids containing same
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Method of and composition for reducing the loss of fluid during well drilling, completion or workover operations
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Organophilic modified polymers
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Organophilic polyphenolic acid adducts
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Humic substances with enhanced surface charge
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Foundry mold and core sands
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Method and compositions for fluid loss and seepage loss control
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Organophilic polyphenolic acid additives for well-working compositions
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Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor
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Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor
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Method of enhancing the effect of liquid organic lubricants in drilling fluids
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Method of recovering polyester fibers and cellulosic powder from polyester/cotton textile waste
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