Polyvinyl butyral sheet
US6093471A · kind A · utility
45Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1999 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Feb 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24942
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Thermoplastic sheet comprising plasticized polyvinyl butyral has a regular pattern of ridges and channels integrally formed and arranged in each face at an angle of intersection with respect to each other of at least 25 degrees, the ridges tapering to flattened V-shaped peaks of tight radius of less than 0.0034 inch, each face of the sheet having a surface permanence of at least 70%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.