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...

James H. Botkin

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Laminated thermoplastics stabilized with bisbenzophenones

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent

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Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymer

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

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Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymer

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

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Preparing laminated thermoplastics stabilized with bisbenzopheno

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Patent

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Stabilized polyolefin compositions

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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