Thermoplastic polymers containing repeating hydrazide groups
US4694048A · kind A · utility
17Cited by
1References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 1986 |
| Grant date | Sep 15, 1987 |
| Priority date | — |
| Expiry date | Apr 21, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In one embodiment this invention provides a nonlinear optical substrate which is a transparent film of a thermoplastic polymer containing recurring units corresponding to the formula: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.