Method for making protective film
US6245382A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Feb 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1462
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention provides a protective fihn which includes a base film, a release layer, a protective layer and an adhesive layer. The protective layer is formed using a curable composition. The invention is also directed towards methods of making the protective film of the invention. According to one embodiment of the invention, the protective film is made using a one-step curing process. In an alternate embodiment, the protective film of the invention is formed using a two-step curing process. The invention is also directed towards a method of making a protected data carrying device. According to the invention, the protected data carrying device includes a polymeric substrate and a protective coating. Optionally, the protected data caring device can include more than one layer of the protective coating. The invention is also directed towards a protected data carrying device which includes a polymeric substrate and the protective coating of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.