4. Plastic and nonmetallic article shaping or treating: processes
  5. Mechanical shaping or molding to form or reform shaped article
  6. To produce composite, plural part or multilayered article

Sumitomo Chemcial Company, Limited

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Copolymer containing functional group of sulfonic acid or...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate

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Mold for producing a multilayer molded article and a method...

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Reexamination Certificate

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