Patent · US Expired

Aminophosphonium compounds

US6465643B1 · kind B1 · utility

9Cited by

1References

7Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Berthold Schiemenz · Frankfurt am Main, DE
Thomas Wessel · Frankfurt, DE
Ralf Pfirmann · Griesheim, DE

Key dates

Filing date	Jul 17, 2000
Grant date	Oct 15, 2002
Priority date	—
Expiry date	Jul 17, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/985
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to compounds of the formula in which one, two or three of the radicals R1, R2, R3 and R4 are where m and n are an integer from 1 to 10, R5, R6, R7 and R8 are, independently of one another, identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and the remaining radical(s) R1 to R4 are or —NR9R10, where R9 and R10 are identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms,and X− is an inorganic or organic anion or an equivalent of a multiply charged inorganic or organic anion. The invention further relates to mixtures of substances comprising compounds of the formula (1), to a process for preparing the compounds of the formula (1) and to the use thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.