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. 25, 1996
Filed:
Dec. 01, 1994
Applicant:
Inventors:
Werner Siol, Darmstadt, DE;
Michael Wicker, Seeheim-Jugenheim, DE;
Klaus Koralewski, Reidstadt, DE;
Ulrich Terbrack, Reinheim, DE;
Assignee:
Roehm GmbH Chemische Fabrik, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526224 ; 526 82 ; 526 85 ; 5263297 ;
Abstract
The invention relates to a polymerization process for the production of polymethacrylate molding compounds having high heat deflection temperature and high stability against thermal degradation, are prepared by polymerizing methacrylate monomer in a reaction medium such that at least 70 wt. % of the polymethacrylate molding compound is produced at a monomer concentration in the reaction medium of at least 5 mol per liter.