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. 21, 2022
Filed:
Mar. 10, 2017
Kaivogen Oy, Turku, FI;
Eeva Junkkari, Turku, FI;
Terhi Riuttamäki, Turku, FI;
Johanna Pyylampi, Turku, FI;
Jarkko Karvinen, Kaarina, FI;
Antti Pihlava, Turku, FI;
KAIVOGEN OY, Turku, FI;
Abstract
The present invention relates to a method for producing luminescent nanoparticles wherein particle size of the nanoparticles is controlled. The method of the present invention includes admixing two or more rare earth metal salts in a first solvent and an organic oil to form a reaction mixture, and subjecting the reaction mixture to an inert gas so that flow rate of the inert gas is at least 2-5 L/h and pressure in the reaction vessel is at least 50 Pa over atmospheric pressure, preferably 50-80 Pa over atmospheric pressure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile