Asphalt materials containing bio-oil and methods for production thereof
US8696806B2 · kind B2 · utility
25Cited by
9References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2010 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Jan 19, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A30/30
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An asphalt binder includes asphalt and an asphalt binder modifier, which includes bio-oil. The asphalt binder can include a carboxyl additive. The asphalt can optionally include polymer-modified asphalt. An asphalt material includes mineral aggregate, an asphalt material binder including asphalt, and an asphalt binder modifier including bio-oil. A method for making the asphalt binder is disclosed. The asphalt material includes asphalt pavement and roofing shingles. The asphalt binder can be emulsified with water and a surfactant for use as a weatherproofing sealant or as an adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.