Hydrolyzed ethylene vinyl acetate encapsulating coating
US4377621A · kind A · utility
10Cited by
15References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1981 |
| Grant date | Mar 22, 1983 |
| Priority date | — |
| Expiry date | May 29, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31699
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A highly impermeable encapsulating coating is disclosed prepared from a hydrolyzed ethylene-vinyl ester copolymer prepared by alcoholysis of, for example, ethylene-vinyl acetate using 4 to 9 times the amount of alcohol stoichiometrically required for a predetermined degree of hydrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.