Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2007-12-25
2007-12-25
Woodward, Ana (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S099000, C524S104000, C524S155000, C524S156000, C524S158000, C524S169000, C525S066000, C525S183000, C525S420000, C525S425000, C525S430000, C525S431000, C525S433000
Reexamination Certificate
active
11026243
ABSTRACT:
The present invention relates to thermoplastic polyamide moulding compositions which contain at least one copolyamide with at least 20% by weight polyamide 12 components and at least one aprotic compound selected from the group of N-alkylated, cyclic carboxylic acid amides with 5 to 7 ring elements and/or of urea derivatives, the alkyl rests of which are linear at the nitrogen or which form a linking of the two N-atoms, and a process for production of the moulding compositions. The thermoplastic polyamide moulding compositions are distinguished by the fact that no solid deposits are formed during thermoplastic conversion.
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Rexin Ornulf
Schmid Eduard
EMS-Chemie AG
J.C. Patents
Woodward Ana
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