Use of a biopolymer-based binder for roads, road-related and civil engineering applications
US8207254B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2009 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Apr 20, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D167/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of making coatings, marking products and/or sealing products from a starting material including aggregate, includes the step of adding to a starting material a binder including at least one resin based on polymerized hydroxyacid derivatives as a non bituminous binder, as a non bituminous binder, the resin(s) being selected from: a) organic resins derived from an oil or a fat having a natural origin including monoglycerides and/or diglycerides, esterified with a poly(hydroxy acid), b) organic resins corresponding to lactic polyacid and polyol esters and/or mono- or polyhydroxylated polyacid esters, c) organic resins based on lactic polyacid or lactic polyacid derivatives such as corresponding esters thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.