Patent · US Active

Anti-fog coating

US9500860B2 · kind B2 · utility

5Cited by

7References

6Claims

0Family size

Assignee

Carl Zeiss Vision International GmbH · DE

Inventors

Thomas Gloege · Schorndorf, DE
Norbert Hugenberg · Aalen, DE
Bernhard von Blanckenhagen · Aalen, DE
Stefan Kraus · Aalen, DE

Key dates

Filing date	May 13, 2013
Grant date	Nov 22, 2016
Priority date	—
Expiry date	Apr 1, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2323/033
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optical component having an anti-fog coating obtainable by covalent attachment of a silane having the formula (1): RoXmSiAn to the surface of the optical component. The covalent attachment of the compound of the formula (1) to the surface of the optical component is accomplished by reacting at least one of the reactive, hydrolyzable —Si—X— groups with a suitable reactive surface group, for example, an —OH group, to form —Si—O—.

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