Foamed thermoplastic polyurethanes

Details Foamed thermoplastic polyurethanes Foamed thermoplastic polyurethanes

2007-02-01

2011-11-29

Cooney, John (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S051000, C521S056000, C521S058000, C521S099000, C521S113000, C521S128000, C521S130000, C521S170000, C521S172000, C521S173000, C521S174000

Reexamination Certificate

active

08067476

ABSTRACT:
Process for the preparation of foamed thermoplastic polyurethanes characterised in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable microspheres.

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