Isocyanate prepolymers
US4028392A · kind A · utility
8Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1975 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | May 20, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/8045
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An isocyanate prepolymer represented by the formula ##STR1## wherein n is an integer of 1 to 6, R', R" and R'", which may be the same or different, each represents a divalent aliphatic, araliphatic, aromatic or acyclic group which may contain a ##STR2## bond, and R" and R'" may contain a ##STR3## bond, and a process for producing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.