4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Cellular products or processes of preparing a cellular...

Edwin Baumann

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Biodegradable polyestreramide and a process of preparing

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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Compact, transparent polyisocyanate polyaddition products

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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Nylon moldings and their production

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent

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Plastification and injection unit with back-flow barrier

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With accumulator – trap chamber – or serially arranged valves...
Reexamination Certificate

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Process for the preparation of elastic polyurethane flexible foa

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent

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Profile ID: LFUS-PAI-P-923194

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