4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Processes of preparing a desired or intentional composition...

Stanley L. Lehmann

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Curable compositions

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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Monolithic structures, methods of manufacture and composite...

Stock material or miscellaneous articles – Structurally defined web or sheet – Honeycomb-like
Reexamination Certificate

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Nanoparticle silica filled benzoxazine 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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Prepregs, towpregs and preforms

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3034246

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