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

Shawn Zhu

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Alkoxylated alkylamines/alkyl ether amines with peaked...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate

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Quaternary ammonium salts as thickening agents for aqueous...

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

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Quaternary ammonium salts as thickening agents for aqueous...

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

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Stable concentrated pesticidal suspension

Plant protecting and regulating compositions – Plant growth regulating compositions – Plural active ingredients
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2363780

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