Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1986-02-25
1986-10-28
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523141, 523144, 523145, 524511, C21B 712
Patent
active
046199500
ABSTRACT:
A particulate material adapted to be poured into the opening in the bottom of a top pouring ingot mold, tamped in the opening and then cured therein to form a mold plug is comprising of a plug forming aggregate and first and second binders of thermosetting resinous material having different temperatures at which polymerization of the corresponding resin commences.
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patent: 4022739 (1977-05-01), Bove
patent: 4072531 (1978-02-01), Funabiki et al.
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patent: 4083817 (1978-04-01), Anderson
patent: 4281090 (1981-07-01), Craig
patent: 4430459 (1984-02-01), Akerberg et al.
patent: 4452926 (1984-06-01), Matsushima et al.
Graphite Sales, Inc.
Jacobs Lewis T.
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