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

Akihiko Yoshizato

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Elastic polyurethane fiber

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Reexamination Certificate

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Elastic polyurethane fiber and process for producing the same

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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Polyurethane composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent

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Profile ID: LFUS-PAI-P-702245

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