Two layer paper product for printing
US5039378A · kind A · utility
59Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1987 |
| Grant date | Aug 13, 1991 |
| Priority date | — |
| Expiry date | Apr 16, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31982
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A packing paper comprising a support layer and a coating layer. The coating layer contains minerals, which give it a white pigmentation, has a content of between 25 and 50% by weight of dry materials, has a good degree of whiteness which is at least equal to 70, and has good capacity for flexographic printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.