Rigid polyurethane foams containing lithium salts for energy absorbing applications
US5258416A · kind A · utility
9Cited by
26References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1993 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Jan 25, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to using lithium salts of an organic material having 2 to 30 carbon atoms and at least one carboxylic acid in a rigid polyurethane formulation to produce foams having energy absorbing properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.