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...

Wolfgang Oberkirch

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Alkoxylated aminopolyethers, a process for their preparation

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Patent

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Composite material for shielding against electromagnetic radiati

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent

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Composite material for shielding against electromagnetic radiati

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent

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Condensation products of thioalkylene oxides of polythio-alkylen

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
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Copolymers based on maleic anhydride and .alpha., .beta.-unsatur

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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