4. Liquid purification or separation
  5. Processes
  6. Preventing, decreasing, or delaying precipitation,...

Kin-Tai Chang

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Block copolymers for recovering hydrocarbon fluids from a...

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate

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Composition and method for recovering hydrocarbon fluids...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate

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Composition and method for recovering hydrocarbon fluids...

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate

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Composition and method for recovering hydrocarbon fluids...

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Composition and method for recovering hydrocarbon fluids...

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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