US PATENT SUBCLASS 516 / DIG 2
.~ Organic and inorganic agents containing (except water) (252/352)
Current as of:
June, 1999
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516 /
HD
COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF
DIG 1
DD
WETTING, EMULSIFYING, DISPERSING, OR STABILIZING AGENTS (252/351)
{4}
DIG 2
.~ Organic and inorganic agents containing (except water) (252/352)
