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:
Dec. 01, 1998
Filed:
Mar. 12, 1996
Applicant:
Inventors:
Assignee:
Beiersdorf AG, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F / ;
U.S. Cl.
CPC ...
428 401 ; 283 81 ; 428 402 ; 428 415 ; 428 416 ; 428 417 ; 428 421 ; 428 422 ; 428203 ; 428354 ; 428480 ; 430945 ; 524495 ; 524496 ;
Abstract
Multilayered label comprising a) a base layer made of plastic containing b) an additive which exhibits a color change under light radiation, in particular laser irradiation, and which c) is coated on one side with a self-adhesive composition which d) is, if desired, covered by a release paper or a release film, where e) the base layer is covered on the other side by one or more protective films arranged one on top of the other which f) are transparent, permeable to laser irradiation and are provided with a self-adhesive coating.