Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-05-11
1991-10-15
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523414, 523420, 525484, 525504, 528 93, 528 97, 528 99, 528102, 528104, 528113, 528117, 528118, 528121, 528122, 528123, 528407, C08G 5950, C08G 5956, C09D 502, C09D 544
Patent
active
050575570
ABSTRACT:
Epoxy resins are modified by reaction with an acidified polytertiary amine-containing compound. These modified epoxy resins when cured result in products having improved properties.
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McIntyre John M.
Sheih Pong S.
Treybig Duane S.
Nielsen Earl
The Dow Chemical Company
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