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:
Jan. 20, 1998
Filed:
Jul. 13, 1995
Applicant:
Inventors:
Wolfgang Fischer, Ludwigshafen, DE;
Andreas Deckers, Flomborn, DE;
Norbert Guntherberg, Speyer, DE;
Ekkehard Jahns, Hirschberg, DE;
Sylke Haremza, Neckargemund, DE;
Werner Ostertag, Grunstadt, DE;
Helmut Schmidt, Osthofen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 82 ; 524 83 ; 524 84 ; 524 92 ; 524107 ; 523351 ; 526204 ; 546 37 ;
Abstract
Fluorescent pigments contain essentially a polymer matrix based on polymethyl methacrylate and a nonpolar fluorescent dye from the coumarin or perylene series, the polymer matrix being a crosslinked polymethacrylate or polyacrylate prepared by suspension polymerization.