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

Charles Svoboda

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Carbon dioxide dry cleaning system

Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Reexamination Certificate

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Carbon dioxide dry cleaning system

Textiles: fluid treating apparatus – Machines – Combined
Reexamination Certificate

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Oil-based insulating packer fluid

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

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Process for coating gravel pack sand with polymeric breaker

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

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Profile ID: LFUS-PAI-P-2253055

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