Process for fireproofing synthetic fiber materials with sulphonamides
US4135028A · kind A · utility
8Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1977 |
| Grant date | Jan 16, 1979 |
| Priority date | — |
| Expiry date | Jun 20, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2861
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for fireproofing polyester fibers in which a sulphonamide of the formula ##STR1## in which R is an aromatic, cycloaliphatic or aliphatic radical or hydrogen and in which the ring A is unsubstituted or further substituted or in which a hydrazonium or ammonium salt of such a sulphonamide is applied to the fiber material which is then dried and subjected to a heat treatment. The sulphonamide may also be applied in the presence of a dispersant, a protective colloid and/or water. The composition of matter for performing this process is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.