发明授权
- 专利标题： Mulching paper sheet
- 专利标题（中）： 覆盖纸张
-
申请号： US925065申请日： 1997-09-08
-
公开(公告)号： US5937573A公开(公告)日： 1999-08-17
- 发明人: Yoko Mizuguchi , Katsuhiko Sugiyama , Junji Osawa , Kaichi Hara
- 申请人： Yoko Mizuguchi , Katsuhiko Sugiyama , Junji Osawa , Kaichi Hara
- 申请人地址： JPX Tokyo
- 专利权人： New Oji Paper Co., Ltd
- 当前专利权人： New Oji Paper Co., Ltd
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX7-015237 19950201
- 主分类号： A01G13/00
- IPC分类号： A01G13/00 ; A01G13/02 ; D21H19/10 ; D21H21/14 ; D21H21/38 ; D21H27/28 ; A01G7/00
摘要：
A mulching paper sheet having satisfactory mechanical strength, elongation, weathering resistance and biodegradation resistance while being used for plant culture, includes a paper sheet substrate formed mainly from a cellulosic pulp; a biodegradation-retarding agent comprising humic acid and/or a water-insoluble metal salt of humic acid and coated on or impregnated in the substrate; and optionally an antimicrobial agent contained in at least the longitudinal side edge portions of the paper sheet substrate.
公开/授权文献
信息查询
