Road marking products with self-cleaning photocatalytic properties and with a renewable hyperhydrophilic surface
US8183308B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2009 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Jun 19, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A road marking composition includes by weight, based on the composition total weight: from 5 to 50% of an organic base binder including a resin selected from homopolymers or copolymers derived from vinylic, acrylic or methacrylic monomers, natural or synthetic resins that are soluble in alcohol or in optionally modified oils, especially plant derivative resins, cellulose resins, petroleum resins, polyureas, polyesters and polyethers, except alkyd resins; from 1 to 40% of pigments amongst which from 1 to 100% of the pigment total content is crystallized titanium dioxide in the anatase for; and from 10 to 84% of fillers. A road marking product including the road marking composition and microbeads and/or anti-skid materials is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.