Patent · US Expired

.alpha.-Alkyl-phosphonosuccinic acid compounds and sequestering compositions containing them

US4020101A · kind A · utility

8Cited by

4References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Hans Geffers
Walter Radt · Krefeld, DE
Reinhard Schliebs
Hartmut Schulz · Heidelberg, DE

Key dates

Filing date	Jan 20, 1975
Grant date	Apr 26, 1977
Priority date	—
Expiry date	Jan 20, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/3808
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

Certain novel .alpha.-alkyl-phosphonosuccinic acid compounds of the formula ##STR1## in which R is lower alkyl, or alkenyl or alkynyl, cycloalkyl, or aralkyl are particularly suitable as sequestering agents, e.g., for incorporation into cleansing compositions.

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