Asphalt adhesives superimposed on asphalt-based roofing sheet
US4738884A · kind A · utility
97Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1987 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | May 14, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31815
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An adhesive is provided for adhering roofing shingles wherein the adhesive is a blend of asphalt, an elastomer, a tackifying resin and a petroleum oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.