Di-amino compounds and processes for preparing the same
US5424387A · kind A · utility
3Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1994 |
| Grant date | Jun 13, 1995 |
| Priority date | — |
| Expiry date | Jul 20, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Di-amines endowed with chain extension activity for formulations such as polyureas and polyurethanes are disclosed, and which have the general formula: ##STR1## wherein n is 0-1000 and m is 0-100; R.sub.1, R.sub.2, R.sub.5, and R.sub.6 are each independently selected from the group consisting of H, --CH.sub.3, --CH.sub.2 CH.sub.3, --CH.sub.2 OH, and --CH.sub.2 --CH.sub.2 --OH; and R.sub.3 and P.sub.4 are each independently selected from the group consisting of --C.sub.2 H.sub.4 --; and --C.sub.3 H.sub.6 --; and the diasteromeric salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.