Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-06-21
1999-01-12
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525480, 525484, 525486, 525523, 525533, 528141, 528144, 528153, 528154, 528155, C08G 812, C08L 6300, C08L 6302
Patent
active
058591532
ABSTRACT:
A composition useful as a powder coating comprises an epoxy resin and a novolak compound or resin having a structure obtained from the reaction of a substituted phenol such as cresol and an aldehyde to form a substituted bis(hydroxymethyl) phenol intermediate which is then reacted with a polyhydroxyphenol containing adjacent hydroxyl groups such as catechol to yield a polyhydroxyphenol-endcapped novolak compound or resin.
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Griggs Allen L.
Kirk Alan R.
Dowdall Janice D.
Minnesota Mining and Manufacturing Company
Schulte Daniel C.
Sellers Robert E.
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