High-strength breathable films of block copolymer lattices

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 78, 521139, 521140, 524505, 524575, 525 98, C08L9/00

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active

059050977

ABSTRACT:
The invention is a film having a discontinuous phase of open and closed cells and a continuous organic phase comprising:

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Derwent Number 77-51183Y, Derwent Publications Ltd., London GB.
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