US PATENT SUBCLASS 521 / 910
PLURAL BLOWING AGENTS FOR PRODUCING NONPOLYURETHANE CELLULAR PRODUCTS
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
910
PLURAL BLOWING AGENTS FOR PRODUCING NONPOLYURETHANE CELLULAR PRODUCTS
DEFINITION
Classification: 521/910
PLURAL BLOWING AGENTS FOR PRODUCING NONPOLYURETHANE CELLULAR
PRODUCTS:
Subject matter involving preparing a nonpolyurethane cellular product by utilizing two or more distinct blowing agents either together or at different times.
