Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1989-06-14
1990-11-06
Lee, Mary C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528117, 528361, 528367, 528407, 528408, 528365, 25218218, 25218228, 548341, C08G 5954, C07D23361
Patent
active
049687670
ABSTRACT:
The invention relates to substituted 3-(N-imidazolyl)propionic hydrazides, to their use as curing agents in epoxy-resin compositions, and to curable epoxy-resin compositions containing them and comprised of (a) an epoxy resin, and (b) optionally of dicyandiamide, and (c) optionally of conventionally used nitrogen-containing heterocyclic amine compounds, for the production of molded articles.
REFERENCES:
patent: 2966478 (1960-12-01), Harrison
patent: 2994685 (1961-08-01), Delmonte et al.
patent: 3792016 (1974-02-01), Hill et al.
patent: 3912689 (1975-10-01), Bechara et al.
Lee, H., et al., Handbook of Epoxy Resins, McGraw Hill, New York, 1967, pp. 22-10 to 22-21.
Burba Christian
Mrotzek Werner
Lee Mary C.
Mittenberger Lenora
Schering AG
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