Dye substituted polymers containing hydrophobically terminated stilbazolium radicals
US5162453A · kind A · utility
2Cited by
1References
6Claims
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Key dates
| Filing date | Nov 29, 1990 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Nov 29, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J5/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Comb-shaped polymers, comprised of hydrophilic backbones and dye-containi hydrophobic side chains are synthesized for use in multilayered, noncentrosymmetric, thin films by means of Langmuir-Blodgett processing techniques. The second harmonic signal generation exhibited by these films increases quadratically with the number of layers of polymeric dye in the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.