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:
Mar. 11, 2025
Filed:
Mar. 31, 2022
Atlas Material Testing Technology Gmbh, Linsengericht-Altenhaßlau, DE;
Matt McGreer, Mt Prospect, IL (US);
Oliver Rahäuser, Linsengericht-Altenhaßlau, DE;
Jörn Jahnke, Linsengericht-Altenhaßlau, DE;
ATLAS Material Testing Technology GmbH, Linsengericht-Atlenhassalu, DE;
Abstract
An apparatus for artificial weathering or lightfastness testing of samples comprises a weathering chamber, a first light source provided in the weathering chamber, the first light source comprising one or more fluorescent UV lamps each comprising an emission spectrum with a maximum wavelength below a predetermined wavelength, and a second light source provided in the weathering chamber, the second light source comprising one or more light emitting diodes each comprising an emission spectrum with a maximum wavelength above the predetermined wavelength.