Printing paper and method of image formation employing the same
US5620793A · kind A · utility
23Cited by
12References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1994 |
| Grant date | Apr 15, 1997 |
| Priority date | — |
| Expiry date | Oct 31, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31996
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing paper is provided which is neutral paper as the base paper comprising an ink-penetration retarder on a printing face to retard penetration of liquid ink containing a nitrogen compound, a substance as an internal additive of the paper to absorb ammonia or an ammonium ion released from the nitrogen compound in the ink, and a water-soluble inorganic salt in an amount ranging from 0.01 to 0.2% by weight. Printing methods are also provided which use the above printing paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.