发明名称 |
OVERFLATEFARVET ELLER INNFARVET BITUMENHOLDIG MATERIALE OG FREMGANGSMAATE FOR FREMSTILLING DERAV |
摘要 |
<p>The present invention relates to a process for coloring or dyeing a material formed essentially from a substrate impregnated with bitumen, said method being characterized in that a colored composition is applied, in particular a pigmented composition, to the substrate before the impregnation of the latter by the bitumen. It also concerns the material thus obtained, characterized by a color gradient between the surface and the inside of the substrate, the color intensity decreasing continuously and practically regularly from the surface.</p> |
申请公布号 |
NO150086(C) |
申请公布日期 |
1984.08.15 |
申请号 |
NO19770001810 |
申请日期 |
1977.05.24 |
申请人 |
OMNIUM FRANCAIS IND ET COMMERCIAL (O.F.I.C.), SA, |
发明人 |
VALLON, ROGER,;HERDENBERGER, ANDRE,;DELHOMELLE, MARC, |
分类号 |
D21H19/36;E04D5/02;(IPC1-7):06N5/00;06N7/06 |
主分类号 |
D21H19/36 |
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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