Poly(vinyl alcohol) blends
US5567768A · kind A · utility
9Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1995 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | May 1, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymers containing a high percentage of vinyl alcohol units may be blended with copolymers of alkyl methacrylates and unsaturated organic acids and processed into sheet, film, fiber and other objects which exhibit an useful balance of barrier and strength properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.