发明名称 |
Insect-repelling film or sheet. |
摘要 |
<p>An insect-repelling film or sheet which has a reflective spectrum in the ultraviolet region at a wavelength of less than 0.4 mu m, particularly a reflective spectrum peak at a wavelength of less than 0.4 mu m, a reflective spectrum with a ratio RA/RB of not less than 1.4 wherein RA is the ultraviolet reflectance and RB is the visible light reflectance at a wavelength of 0.5 mu m, and a visible light transmission of not less than 40 %,is useful as a cover for greenhouses and tunnels or for mulching of the ground for crop culture or as a repellent for various insect pests in agriculture, forestry and gardening.</p> |
申请公布号 |
EP0255566(A1) |
申请公布日期 |
1988.02.10 |
申请号 |
EP19870101558 |
申请日期 |
1987.02.05 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
KITAMURA, SHUJI;NAKAE, KIYOHIKO;KOTANI, KOZO;KUME, TAKANORI;NEGAWA, HIDEO;IKEDA, TSUNETA |
分类号 |
A01G9/14 |
主分类号 |
A01G9/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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