4. Compositions
  5. Leather or fur treating

Charles D. Williamson

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Additive and method for temporarily reducing permeability of sub

Compositions – Leather or fur treating
Patent

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Enzymatically degradable fluid loss additive

Compositions – Leather or fur treating
Patent

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Method for reducing fluid loss from oilfield cement slurries usi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From lignin – tannin – or derivative reactant
Patent

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Method for reducing fluid loss from oilfield cement slurries usi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From lignin – tannin – or derivative reactant
Patent

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Method for temporarily reducing permeability of subterranean for

Wells – Processes – Distinct – separate injection and producing wells
Patent

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Profile ID: LFUS-PAI-P-260955

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