Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2008-03-28
2010-02-02
Lipman, Bernard (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S067000, C525S068000, C525S071000, C525S077000, C525S078000, C525S154000, C525S155000, C525S166000, C525S279000, C525S293000
Reexamination Certificate
active
07655726
ABSTRACT:
The present invention relates to novel molding compositions based on semicrystalline engineering thermoplastics which, in conventional processing techniques, give moldings with reduced surface gloss. A feature of the molding compositions is that they comprise, in a polymer matrix, if appropriate with the usual additives, polymer particles with a median size d50of from 0.1 μm to 100 μm, and comprise at least one other incompatible or semicompatible polymer which has not been chemically crosslinked, and also, if appropriate, comprise salt-like additives. The invention further relates to moldings which are produced by means of conventional processing techniques, in particular via injection molding, from these matt-effect molding compositions.
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Clauss Joachim
Kostler Christine
Kurz Klaus
Schneller Arnold
Dority & Manning P.A.
Lipman Bernard
Ticona GmbH
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