4. Chemistry of inorganic compounds
  5. Silicon or compound thereof
  6. Oxygen containing

Shumpei Shimizu

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COPPER-BASED METAL POLISHING COMPOSITION, METHOD FOR...

Compositions – Etching or brightening compositions
Reexamination Certificate

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COPPER-BASED METAL POLISHING COMPOSITION, METHOD FOR...

Semiconductor device manufacturing: process – Chemical etching – Combined with the removal of material by nonchemical means
Reexamination Certificate

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Method for producing high purity chemicals

Distillation: processes – separatory – Distillation in apparatus or element of specific material
Patent

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Method for production of aqueous quaternary ammonium hydroxide s

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent

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Method of manufacturing tetramethyl ammonium hydroxide

Chemistry: electrical and wave energy – Processes and products
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Profile ID: LFUS-PAI-P-246713

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