Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2005-03-01
2005-03-01
Cooney, Jr., John M. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C521S130000, C521S131000, C521S167000, C521S170000, C521S172000, C521S174000, C521S176000
Reexamination Certificate
active
06861454
ABSTRACT:
Raw materials for anti-cracking polyurethane foams comprises: a mixed polyol 100 weight parts; an isocyanate 140˜180 weight parts; a catalyst 1.0˜3.0 weight parts; water 1˜2.5 weight parts; a foam blowing agent 30.0˜35.0 weight parts; and an additive 1.0˜3.0 weight parts, and a preparation method thereof.
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Cooney Jr. John M.
Fleshner & Kim LLP
LG Electronics Inc.
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