Mixtures of polymers for medical use
US4394462A · kind A · utility
4Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1982 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | Sep 13, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing polymers compositions of a mixture of vinyl chloride polymer and polyurethane with tertiary amine and/or ammonium groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.