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:
Dec. 02, 2025
Filed:
Jun. 28, 2019
Albemarle Germany Gmbh, Frankfurt am Main, DE;
Dirk Dawidowski, Friedberg, DE;
Annika Hörberg, Mainz, DE;
Uwe Lischka, Frankfurt am Main, DE;
Theresa Schmidt, Frankfurt, DE;
Johannes Klösener, Kelkheim, DE;
Ulrich Wietelmann, Friedrichsdorf, DE;
Peter Rittmeyer, Sulzbach/Taunus, DE;
Stefan Schnippering, Siegburg, DE;
ALBEMARLE GERMANY GMBH, Frankfurt am Main, DE;
Abstract
The object of the invention are solutions of alkali metal amides MNRR, wherein M is an alkali metal selected from Li, Na, K, Rb, Cs; Rand Rindependently of one another are linear, branched or cyclic alkyl groups having 1 to 8 C atoms or together are a cycloalkyl radical, the alkali metal amides being present in methyltetrahydropyran or in a solvent mixture containing methyltetrahydropyran, and processes for their preparation.