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:
Oct. 29, 1991
Filed:
Nov. 06, 1989
Applicant:
Inventors:
Jens-Dieter Fischer, Darmstadt, DE;
Manfred Munzer, Bensheim, DE;
Ursula Golchert, Darmstadt, DE;
Felix Schinzel, Darmstadt, DE;
Assignee:
Rohm GmbH Chemische Fabrik, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428332 ; 428412 ; 4284735 ; 4284744 ; 4284752 ; 2641761 ; 427160 ; 4274125 ;
Abstract
Multilayered plastic objects are prepared having a core layer of an aromatic polycarbonate in contact with a polymethacrylate film containing a UV absorber. The polymethacrylate film comprises a copolymer of methylmethacrylate and an acrylic or methacrylic ester, (meth)acrylamide, maleimide or mixtures thereof and is compatible with said aromatic polycarbonate at all mixing ratios.