Aqueous organic base solution of polyhydrazides
US3966656A · kind A · utility
3Cited by
1References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1974 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | Sep 23, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to novel film- and fiber-forming polyhydrazide solutions (dopes) which are prepared in a solvent system comprising aqueous organic bases. Some dopes of this invention are optically anisotropic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.