4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From carboxylic acid or derivative thereof

Brigitta Otto

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Catalyst and method for its production and use

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Method and apparatus for producing solid-state polycondensed...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Method for producing highly condensed solid-phase polyesters

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Method for the direct and continuous production of hollow...

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate

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Method for the production of polyester with mixed catalysts

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
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Profile ID: LFUS-PAI-P-2287020

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