| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | New Oji Paper (Tokyo) |
| PATENT CLAIMS |
Mulching paper sheet comprising a paper sheet substrate comprising - Cellulosic pulp - Water-insoluble Al salt of humic acid (0.05-15%) as degra dation-retarding agent |
| PATENT PHOTOCOPY | Available on request |
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