4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Carboxylic acids and salts thereof

Ashok Kumar Gupta

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Composition of hydraulic fluid and process for the...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and...
Reexamination Certificate

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Composition of lubricating oil for two stroke gasoline...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic -co- compound
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Process for preparation of benzene dicarboxylic acids

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate

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Process for the preparation of p-toluic acid by liquid phase...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
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Production of catalyst layers on diaphragms for...

Coating processes – Nonuniform coating – Mask or stencil utilized
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