Patent · US Active

Process for preparing and purifying salts of acrylamido-2-methylpropanesulfonic acid

US9073826B2 · kind B2 · utility

2Cited by

4References

14Claims

0Family size

Assignee

BASF SE

Inventors

Klaus Ebel · Lampertheim, DE
Tobias Voitl · Schifferstadt, DE
Andreas Keller · Speyer, DE
Stefan Rüdenauer · Weinheim, DE
Karsten Bartling · Neustadt, DE
Björn Langlotz · Trostberg, DE
Jochen Steiner · Bensheim, DE

Key dates

Filing date	Nov 28, 2012
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Nov 28, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C309/15
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing salts of acrylamido-2-methylpropanesulfonic acid (A) using the steps of:

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