Polyamine compositions useful as hardening agents for epoxy resins
US3968085A · kind A · utility
3Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1974 |
| Grant date | Jul 6, 1976 |
| Priority date | — |
| Expiry date | Aug 29, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31525
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention concerns new aromatic polyamine compositions useful as hardening agents containing a major proportion of polyamines of the formula: ##EQU1## IN WHICH Ar and Ar' are divalent aromatic radicals having from 1 to 6 rings, R.sub.1 is a divalent hydrocarbon radical or a radical (R.sub.4 -O).sub.m R.sub.4, R.sub.4 being an alkylene and m an integer from 1 to 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.