Synthetic binder essentially made of materials from renewable resources, in particular of vegetable origin, and applications thereof in road engineering
US8697182B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 28, 2011 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Jan 28, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/8305
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a synthetic binder characterized in that said binder includes: from 20 wt % to 100 wt % of at least one polyester based essentially on material from renewable resources, in particular of vegetable origin, having: a hydroxyl number below 100 mg KOH/g, an acid number below 25 mg KOH/g, an iodine number below 100 g I2/100 g, and from 0 wt % to 80 wt % of at least one natural or modified resin from renewable resources, in particular of vegetable origin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.