Patent · US Expired

Properties of structure-formers for self-cleaning surfaces, and the production of the same

US6811856B2 · kind B2 · utility

52Cited by

11References

19Claims

0Family size

Assignee

Creavis Gesellschaft fuer Technologie und Innovation mbH · DE

Inventors

Edwin Nun · Billerbeck, DE
Markus Oles · Hattingen, DE
Bernhard Schleich · Recklinghausen, DE

Key dates

Filing date	Apr 12, 2002
Grant date	Nov 2, 2004
Priority date	—
Expiry date	Aug 16, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/26
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A self-cleaning surface which has an artificial, at least partially hydrophobic, surface structure made from elevations and depressions, where the elevations and depressions are formed by particles secured to the surface, wherein the particles have a fissured structure with elevations and/or depressions in the nanometer range; a process for making such a surface; and particles having a fissured structure with elevations and/or depressions in the nanometer range.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.