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:
May. 04, 1993
Filed:
Jun. 19, 1989
Applicant:
Inventors:
Terence J Smith, Royston, GB;
Edward Irving, Burwell, GB;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; D21H / ;
U.S. Cl.
CPC ...
428414 ; 4284766 ; 4284784 ; 4284788 ; 428480 ; 428915 ; 428916 ; 428412 ; 4284237 ; 4284244 ; 428516 ; 428205 ; 428913 ; 156330 ; 430 10 ;
Abstract
A security card comprises a data-carrying sheet having a gelatin layer thereon and a transparent polymeric film having a gelatin layer thereon, said sheet and said film being bonded together by an adhesive composition polymerized between and in contact with the gelatin layers, the adhesive composition comprising a carboxylic acid having at least one polymerizable acrylic group.