Vegetable-based products of the siccative type for recycling and rejuvenating reclaimed asphalt pavements in situ or in a dedicated plant
US9115295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jun 10, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for recycling or renovating old pavements, wherein a rejuvenating binder is used including at least one compound based on fatty substances of natural origin including hydrocarbon fatty chains, these fatty substances of natural origin having undergone at least one chemical functionalization reaction through which at least one oxygenated functional group has been introduced. The rejuvenating binders and rejuvenating binder emulsions especially suitable to the method, and asphalt mixes based on regenerated reclaimed asphalt pavement are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.