4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Process of treating scrap or waste product containing solid...

Frances Tischler

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All-aromatic polyester compound, its preparation, and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Biodegradable polymers having a pre-determined chirality

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ortho-hydroxybenzoic acid or derivative doai
Reexamination Certificate

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Catalyst for polyester polycondensation and method for...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate

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Catalyst for polyester polycondensation and method for...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate

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Chemical process for recycling polyethylene terephthalate...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2157527

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