US PATENT SUBCLASS 210 / 500.35
.~.~.~.~ Acrylate
Current as of:
June, 1999
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210 /
HD
LIQUID PURIFICATION OR SEPARATION
348
DF
FILTER
{25}
500.1
DF
.~ Material {6}
500.21
DF
.~.~ Semipermeable membrane {6}
500.27
DF
.~.~.~ Organic {7}
500.35
.~.~.~.~ Acrylate
DEFINITION
Classification: 210/500.35
Acrylate:
(under subclass 500.27) Subject matter comprising a O-C-C=C group.