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

Chung P. Park

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Acoustic absorption polymer foam having improved thermal...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Reexamination Certificate

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Acoustical insulation foams

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

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Acoustical insulation foams

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
Reexamination Certificate

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Acoustical open-cell polylefins and process for making

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate

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Alcohol control of lightly crosslinked foamed polymer 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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Profile ID: LFUS-PAI-P-152375

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