US PATENT SUBCLASS 521 / 911
SURFACTANT FOR OTHER THAN POLYURETHANE CELLULAR PRODUCT
Current as of:
June, 1999
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521 /
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SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
911
SURFACTANT FOR OTHER THAN POLYURETHANE CELLULAR PRODUCT
DEFINITION
Classification: 521/911
SURFACANT FOR OTHER THAN POLYURETHANE CELLULAR PRODUCT:
Subject matter involving specified surfactants utilized in preparing nonpolyurethane cellular products.
