4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Mixing of two or more solid polymers; mixing of solid...

DuPont Canada Inc.

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Heat exchangers containing liquid crystalline polymer layers

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
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High temperature and high humidity release coating for...

Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing
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High tensile strength polethylene terephthalate film and...

Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
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Interpolymer film pouch

Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag
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Manufacture of liquid crystalline polymer films

Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing...
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