Patent · US Active

Method for the adsorptive purification of alkyl methacrylates

US8324424B2 · kind B2 · utility

0Cited by

5References

14Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Udo Gropp · Bad Endorf, DE
Robert Weber · Fullerton, US
Thomas Schaefer · Liestal, CH
Andreas Perl · Frankenthal (Pfalz), DE
Rudolf Sing · Worms, DE
Thomas Mertz · Bensheim, DE

Key dates

Filing date	Aug 31, 2007
Grant date	Dec 4, 2012
Priority date	—
Expiry date	Jan 2, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C67/56
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates in general terms to a process for preparing to a process for purifying an alkyl methacrylate, comprising the steps of:

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