Asphalt coated structural article
US6500560B1 · kind B1 · utility
23Cited by
106References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2000 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Sep 15, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31815
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An asphalt coated structural article comprises a substrate having an ionic charge coated on one side with a layer of asphaltic material and coated on the other side with a coating having essentially the same ionic charge as the substrate. The present invention is a waterproofing barrier which may be used as a roofing underlayment for concrete files or to waterproof the basement walls of a building structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.