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:
Jun. 26, 1990
Filed:
Jan. 10, 1989
Applicant:
Inventor:
Ulrich Schoedel, Rossdorf, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526212 ; 5263297 ;
Abstract
A method for the separation of technical methanol-methyl methacrylate mixtures by polymerization of the methyl methacrylate, wherein the polymerization is suitably carried out as a copolymerization, at least with long-chain aliphatic C.sub.8 to C.sub.20 -alkyl esters of methacrylic acid as comonomers, and as a solution polymerization, and the methanol can be recovered by distilling it off.