Polyamines derived from THPB and processes for preparing the same
US5300559A · kind A · utility
13Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1993 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | May 28, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/3331
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyamines endowed with chain extension activity for formulations such as polyureas and polyurethanes are disclosed, which have the general formula: ##STR1## wherein n is 0-1000; R.sub.1 =R.sub.2, and R.sub.1 and R.sub.2 are from the group --CH.sub.2 --CH.sub.2 --; --CH.sub.2 --C(CH.sub.3)H--; and --C(CH.sub.3)H--CH.sub.2 --; and R.sub.3 and R.sub.4 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.