Security cards
US5208110A · kind A · utility
49Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1989 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Jun 19, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.