Moistureproof paper having shading property and recyclability
US6117563A · kind A · utility
3Cited by
0References
6Claims
0Family size
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Key dates
| Filing date | Feb 9, 1998 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Feb 9, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The object is to provide a moistureproof paper which is excellent in light-screening, moisture-proof, waterproof and heat-sealing properties and regeneration property at the time of reuse as a used paper, and in order to attain the object, a moisture-proof layer (3) of maceration, regeneration and heat-sealing properties is provided on the surface of a coated base (1) having a light-screening layer (2) of a hue of from 25 to 70 in terms of the luminosity index L* to obtain a moisture-proof paper having a light-screening and regeneration properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.