4. Earth boring, well treating, and oil field chemistry
  5. Well treating
  6. Contains organic component

Valentino L. DeVito

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Compositions for treating subterranean zones penetrated by...

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

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Cosmetic compositions containing water-soluble polymer...

Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions
Reexamination Certificate

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Methods of treating subterranean zones penetrated by well bores

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

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Water-soluble polymer complexes

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2705257

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