Patent · US Expired

2-phosphono-butane-1,2,4,-tricarboxylic acid emulsifier derivatives

US4824886A · kind A · utility

10Cited by

3References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Adolf Schmidt · Adelsheim, DE
Udo-Winfried Hendricks · Odenthal, DE

Key dates

Filing date	Aug 8, 1988
Grant date	Apr 25, 1989
Priority date	—
Expiry date	Aug 8, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/911
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to 2-phosphonobutane-1,2,4-tricarboxylic acid derivatives, which can be obtained by reaction of the tricarboxylic acid with C.sub.6-20 -alcohols and which are suitable as auxiliaries (emulsifiers) for emulsion polymerization.

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