Process for preparing flexible polyurethane foams
US4048102A · kind A · utility
7Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1976 |
| Grant date | Sep 13, 1977 |
| Priority date | — |
| Expiry date | Dec 27, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/904
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Menthanediamine, isophorone diamine and the like compounds have been discovered to be an effective substitute for 4,4'-methylenebis(2-chloroaniline) in the preparation of flexible polyurethane foams. This substituted crosslinker is not suspected of being carcinogenic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.