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:
Nov. 19, 1996
Filed:
Mar. 20, 1995
Applicant:
Inventors:
Aziz El Sayed, Leverkusen, DE;
Frank Gerling, D usseldorf, DE;
Salvatore Messina, Rheda-Wiedenbr uck, DE;
Herbert Magerstedt, Moers, DE;
Karsten-Josef Idel, Krefeld, DE;
Edgar Ostlinning, D usseldorf, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08J / ; C08F / ;
U.S. Cl.
CPC ...
524495 ; 524515 ; 524570 ; 106472 ; 522-2 ; 523300 ;
Abstract
The present invention relates to colored polymer moulding materials which give rise to colored markings on a dark background with a very high contrast ratio on the absorption of laser energy.