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:
Nov. 12, 2024
Filed:
Sep. 09, 2021
Clariant International, Ltd., Muttenz, CH;
Dirk Leinweber, Kelkheim, DE;
Adriana Grossmann, Mühldorf, DE;
Wagner Claudio Da Silva, São Paulo, BR;
Leandro Seixas Bicalho, Belo Horizonte, BR;
Clariant International Ltd, Muttenz, CH;
Abstract
The invention relates to a flotation agent for lithium or phosphate ore, comprising at least one fatty acid and at least one 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid or a mixture thereof of the formula (1) wherein R is a Cto Calkyl or alkenyl group, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid of the formula (I) is from 1 to 30 wt.-%.