Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2006-01-31
2006-01-31
Sellers, Robert (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C523S466000, C525S390000, C525S396000, C528S219000
Reexamination Certificate
active
06992166
ABSTRACT:
A phenolic resin obtainable by reacting a dihydroxy compound of the following formula (1) with a phenolic compound,wherein the dihydroxy compound is partially dehydrated.
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patent: 05-222156 (1993-08-01), None
patent: 05-72404 (1993-10-01), None
Nagashima Tohru
Saito Noriaki
Sellers Robert
Sumitomo Chemical Company Limited
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