Salts of alkyl esters of carboxyethyl(alkyl)phosphinic acid

US7838580B2 · kind B2 · utility

Assignee

• Clariant Finance (BVI) Limited · VG

Inventors

• Harald Bauer · Ehningen, DE
• Sebastian Hoerold · Diedorf, DE
• Werner Krause · Plantsville, US

Key dates

• Filing date: Dec 7, 2007
• Grant date: Nov 23, 2010
• Expiry date: Dec 7, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/5313
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to salts of alkyl esters of carboxyethyl(alkyl)phosphinic acid, where the salts have the formula (I)R1—P(═O)(OX)—CH2—CH2—CO2R2 in which R1 and R2 are identical or different and, independently of one another, areC1-C20-alkyl, C2-C20-alkenyl, C1-C20-alkynyl, and/or C6-C20-aralkyl, andX is an alkali metal, an element of the second main and transition group, an element of the third main and transition group, an element of the fourth main and transition group, an element of the fifth main and transition group, an element of the sixth main group, an element of the seventh transition group, or an element of the eighth transition group, and also to processes for their preparation, and to their use.