Colored polymers comprising poly(organophosphazenes) with chromophores as substituent groups
US4242499A · kind A · utility
9Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1979 |
| Grant date | Dec 30, 1980 |
| Priority date | — |
| Expiry date | Jul 27, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S534/03
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Poly(organophosphazenes) with chromphoric substituents and method of preparation. Products are useful to add color to polyphosphazene polymers to produce food colorants, colored films, colored fibers and similar products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.