| Patent Number |
Title Of Patent |
Date Issued |
| 4996286 |
Trihydrazide latent curing agent for epoxy resins |
February 26, 1991 |
| A latent curing agent for epoxy resin, characterized in that the latent curing agent is the hydrazides of the formula (I);The present curing agent is useful in formulating storable, one-package, heat-curable epoxy resin-based compositions. |
| 4544733 |
Latent curing agents for epoxy resins |
October 1, 1985 |
| A latent curing agent for epoxy resin, characterized in that the latent curing agent is the hydrazides of the formula (I) or (II). ##STR1## The present curing agent is useful in formulating storable, one-package, heat-curable epoxy resin-based compositions. |
| 4542202 |
Latent curing agents for epoxy resins |
September 17, 1985 |
| An addition product obtained by reacting (a) a polyfunctional epoxy compound and (b) a compound having at least one functional group of OH group, SH group, COOH group and CONHNH.sub.2 group together with a tertiary amino group in the molecule, and an addition product obtained (a), (b |
| 4530991 |
Latent curing agents for epoxy resins |
July 23, 1985 |
| Hydrazides of the formula (I) or (II)are good latent curing agents for epoxy resin, in the formula (II) R is divalent hydrocarbon residue having 2-24 carbon atoms. The curing agents are useful in formulating novel storable one-package, heat-curable epoxy resin-based compositions. |
| 4465830 |
Latent curing agents for epoxy resins |
August 14, 1984 |
| Hydrazides of the formula ##STR1## are good curing agents for epoxy resin, in the formula R.sub.1 and R.sub.2 being each hydrogen atom, C.sub.1 -C.sub.8 alkyl radical or --CH.sub.2 CH.sub.2 SCH.sub.3, R being hydrogen atom or methyl radical. The curing agents are useful in formul |
| 4450267 |
Latent curing agents for epoxy resins |
May 22, 1984 |
| Hydrazides of the formula ##STR1## are good curing agents for epoxy resin, wherein in the formula, X is an aromatic hydrocarbon residue of dihydric phenol, ##STR2## The curing agents are useful in formulating novel storable one-package, heat-curable epoxy resin-based composit |
| 4448949 |
Latent curing agents for epoxy resins |
May 15, 1984 |
| Hydrazides of the formula ##STR1## are good curing agents for epoxy resin. The curing agents are useful in formulating novel storable one-package, heat-curable epoxy resin-based compositions. |
