Innovative siloxane block copolymers with rigid spacers and their use
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United States of America Patent
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Jul 2, 2002
Grant Date -
N/A
app pub date -
Jun 5, 1997
filing date -
Mar 29, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to block copolymers of the general average formula ##STR1## with siloxane blocks which are linked via rigid spacers, and to their use as surface-active agents.
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