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:
Jun. 23, 2020
Filed:
Mar. 30, 2016
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Aleksander Zych, Darmstadt, DE;
Ralf Petry, Griesheim, DE;
Mathias Rapphahn, Greifswald, DE;
Ingo Koehler, Darmstadt, DE;
Stefan Tews, Greifswald, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01); C09K 11/02 (2006.01); C01B 21/082 (2006.01); C01B 33/24 (2006.01); C01B 33/26 (2006.01);
U.S. Cl.
CPC ...
C09K 11/7734 (2013.01); C01B 21/082 (2013.01); C01B 33/24 (2013.01); C01B 33/26 (2013.01); C09K 11/025 (2013.01); C09K 11/7792 (2013.01);
Abstract
The invention relates to pyrosilicate phosphors comprising a coating of aluminum oxide, to a process for the preparation of these compounds, and to the use thereof as conversion phosphors or in lamps.