The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2003
Filed:
Jan. 29, 1997
Applicant:
Inventor:
Wilhelm Barthlott, Bonn, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 5/900 ; B32B 3/26 ;
U.S. Cl.
CPC ...
B29C 5/900 ; B32B 3/26 ;
Abstract
The self-cleaning surfaces of objects have an artificial surface structure of elevations and depressions wherein the distances between said elevations are in the range of from 5 to 200 &mgr;m, and the heights of said elevations are in the range of from 5 to 100 &mgr;m, and at least said elevations consist of hydrophobic polymers or permanently hydrophobized materials, and said elevations cannot be detached by water or by water containing detergents.