Binder of vegetable nature for the production of materials for building and/or civil engineering
US7670420B2 · kind B2 · utility
5Cited by
10References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 8, 2004 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Aug 29, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/0075
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A binder for the production of a layer for road works or civil engineering comprises, with respect to the total weight of the binder:(a) 2 to 98% in weight of at least one purely natural or modified natural resin, of vegetable origin, having a softening point measured of 30 to 200%;(b) 98 to 2% in weight of at least one oil of vegetable origin having a viscosity at 25° C. of 50 mPa·s to 1000 Pa·s,(c) the binder having:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.