Flame retardant heat insulating composition and method for preparing the same
US4380568A · kind A · utility
3Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1981 |
| Grant date | Apr 19, 1983 |
| Priority date | — |
| Expiry date | Mar 23, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2907
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Flame retardant heat insulating material and a method for preparing the same characterized in that a ground mixture of cellulose fibers with cellulose flakes or particles is chemically or physically bonded with condensed ammonium phosphate to form a fiberfil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.