Phosphoric acid derivatives as flameproofing agents
US4062687A · kind A · utility
11Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1976 |
| Grant date | Dec 13, 1977 |
| Priority date | — |
| Expiry date | May 26, 1996 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M13/292
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Flameproofed cellulose includes as a flameproofing agent a compound selected from esters, ester-amides and amides of pyrophosphoric, of mono-, di- and trithiopyrophosphoric, of triphosphoric, and of mono-, di-, tri- and pentathiotriphosphoric acids. Preferred flameproofed cellulose, and other polymeric organic materials include as a flameproofing agent a compound selected from a smaller class of the above compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.