The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2009
Filed:
Jan. 13, 2004
Torsten Balduf, Houston, TX (US);
Stefan Nordhoff, Recklinghausen, DE;
Dennis Thong Yu-chiang, Marl, DE;
Axel Kobus, Bochum, DE;
Martin Roos, Haltern, DE;
Torsten Balduf, Houston, TX (US);
Stefan Nordhoff, Recklinghausen, DE;
Dennis Thong Yu-Chiang, Marl, DE;
Axel Kobus, Bochum, DE;
Martin Roos, Haltern, DE;
Evonik Stockhausen GmbH, Krefeld, DE;
Abstract
The invention concerns a process for purification of an acidic monomer having a double bond, as well as a device for synthesis of an acidic monomer having a double bond, a process for producing an acidic monomer having a double bond, an acid monomer having a double bond and obtainable by this process, fibers, formed bodies, films, foams, superabsorbent polymers and other special polymers based on or containing this acidic monomer, the use of this acidic monomer in or for producing fibers, formed bodies, films, foams, superabsorbent polymers or other special polymers.