Patent · US Expired

Device for the treatment of substances by UV radiation

US4798960A · kind A · utility

26Cited by

7References

5Claims

0Family size

Assignee

Ferd. Ruesch AG · CH

Inventors

Heinz Keller · Davos, CH
Martin Lehner · Berlin, DE
Reinhard Born · Bruchköbel, DE
Hans-Georg Lotz · Grundau, DE

Key dates

Filing date	Mar 1, 1988
Grant date	Jan 17, 1989
Priority date	—
Expiry date	Mar 1, 2008

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF26B3/28
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A device for treating material by UV radiation has a UV radiating lamp with a reflector formed by a polished metal reflector having an outer surface of dull black chromium covered by layers of hafnium dioxide and silicon dioxide of which one is bonded to the black chromium surface.

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