US PATENT SUBCLASS 521 / 921
PREPARING A NONPOLYURETHANE CELLULAR PARTICLE FROM A NONPARTICULATE MATERIAL
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
921
PREPARING A NONPOLYURETHANE CELLULAR PARTICLE FROM A NONPARTICULATE MATERIAL
DEFINITION
Classification: 521/921
PREPARING A NONPOLYURETHANE CELLULAR PARTICLE FROM A
NONPARTICULATE MATERIAL:
Subject matter involving processes of preparing a particulate nonpolyurethane cellular product from a nonparticulate, noncellular material.
