Reduced thickness resin substrate in film printing ribbon
US4931348A · kind A · utility
1Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1987 |
| Grant date | Jun 5, 1990 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A very thin film ribbon with good printing and lift-off correction characteristics is achieved by using a blend of polyethylene and isotactic polypropylene as the substrate material. Thicker ribbons with the substrate yield dense printing and print well on rough papers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.