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. 10, 2003
Filed:
Jun. 16, 2000
Applicant:
Inventors:
Karl-Heinz Weissmann, Hannover, DE;
Martina Buchholz, Garbsen, DE;
Wolfgang Giersemehl, Lehrte, DE;
Wolfgang Bauersachs, Wedemark, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/06 ; B32B 0/00 ; B32B 7/12 ;
U.S. Cl.
CPC ...
B32B 7/06 ; B32B 0/00 ; B32B 7/12 ;
Abstract
Multi-layer flexible transfer tapes are provided which are useful for covering printing or typing errors in texts or drawings so that corrections may be made. The transfer tapes are characterized by the inclusion of two binder-containing pigmented transfer layers, wherein one transfer layer is cationic and the other transfer layer is anionic.