4. Compositions
  5. Vaporization, or expansion, refrigeration or heat or energy...
  6. With lubricants, or warning, stabilizing or anti-corrosion...

Andre Demoulin

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Borehole fluid containing a lubricating...

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

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Fluid and method for releasing tubular elements stuck in a well

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

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Lubricating compound for refrigeration compressors

Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2107464

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