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...

E. I. duPont deNemours and Company

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1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone...

Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
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Azeotropic compositions of cyclopentane

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
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Two component coating compositions and coatings produced...

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