Diepoxide derivatives of N,N*-disubstituted disulfonamides

Details Diepoxide derivatives of N,N*-disubstituted disulfonamides Diepoxide derivatives of N,N*-disubstituted disulfonamides

2004-12-15

2008-12-09

Dentz, Bernard (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07462728

ABSTRACT:
The present invention relates to novel diepoxides having the formulas I. and II.in-line-formulae description="In-line Formulae" end="lead"?R*N(A)SO2RSO2N(A)R*  Iin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?R*SO2N(A)RN(A)SO2R*  IIin-line-formulae description="In-line Formulae" end="tail"?where A=2,3-epoxypropyl, R* is a monovalent hydrocarbon alkyl aryl, aryl-alkyl, alkyl-aryl radical of 1-20 carbon atoms or a monovalent inertly substituted hydrocarbon aryl, alkyl, alkyl-aryl or aryl-alkyl radical of 1-20 carbons atoms and R is a divalent hydrocarbon arylene, alkylene, alkylene-aryl, arylene-alkyl radical or combinations thereof of 2-20 carbon atoms or an inertly substituted divalent hydrocarbon alkylene, arylene, arylene-alkyl, or alkylene-aryl radical or combinations thereof of 2-20 carbon atoms. The epoxides are useful in preparing novel epoxide resins.

REFERENCES:
patent: 3945973 (1976-03-01), Smith et al.
patent: 2004/0099840 (2004-05-01), Horsham et al.

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