Patent · US Expired

Process for preparing optionally substituted arylsulphonic anhydrides

US7329779B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Bjorn Schlummer · Leverkusen, DE
Florian Rampf · Burghausen, DE
Paul Naab · Bad Reichenhall, DE
Guido Giffels · Bonn, DE
Matthias Gotta · Burscheid, DE

Key dates

Filing date	Mar 29, 2006
Grant date	Feb 12, 2008
Priority date	—
Expiry date	Mar 31, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C303/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing optionally substituted arylsulphonic anhydrides of the general formula (I)

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