Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-01-28
1994-08-23
Krass, Frederick
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525422, 525533, 528 90, 528112, 528113, 528114, 528115, 528220, 528313, 528322, 528365, C08G 5940, C08G 5942, C08G 6500
Patent
active
053408900
ABSTRACT:
An epoxy resin composition containing an anhydride-functional cyclobutene which can be represented by the formula ##STR1## in which each R is independently selected from hydrogen, C.sub.1-10 alkyl, aryl, halide and C.sub.1-10 heteroatomic.
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patent: 4540763 (1985-09-01), Kirchhoff
patent: 4927907 (1990-05-01), Corley
patent: 4973636 (1990-11-01), Corley
patent: 5147953 (1992-09-01), Corley
Blomquist et al., "1,2-Dimethylenecyclobutane," J. Am. Chem. Soc. 77, 1806-9 (1955).
Krass Frederick
Shell Oil Company
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