4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Mixing of two or more solid polymers; mixing of solid...

Qinggao Ma

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β-Crystalline polypropylenes

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Acridan derivatives as antioxidants

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
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Diaromatic amine derivatives as antioxidants

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
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Lubricating oil compositions

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

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Ortho-nitrosophenols as polymerization inhibitors

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3056676

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