Patent · US Expired

Aminosulfonylcarboxylic acids and their salts

US4126634A · kind A · utility

3Cited by

1References

6Claims

0Family size

Assignee

BASF SE

Inventors

Lucien Thil · Schifferstadt, DE
Martin Fischer · Ludwigshafen, DE
Wolfgang Kindscher

Key dates

Filing date	Aug 1, 1977
Grant date	Nov 21, 1978
Priority date	—
Expiry date	Aug 1, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23F11/164
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Aminosulfonylcarboxylic acids and their manufacture from diamines and chlorosulfonylcarboxylic acids.

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