发明名称 |
BITUMINOSA MATERIAL FERGADE I MASSAN, SPEC OVERDRAGNINGSBEKLEDNADS- ELLER TETNINGSMATERIAL, SAMT FORFARANDE FOR FRAMSTELLNING DERAV |
摘要 |
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. |
申请公布号 |
SE7706215(L) |
申请公布日期 |
1977.11.29 |
申请号 |
SE19770006215 |
申请日期 |
1977.05.26 |
申请人 |
OMNIUM FR IND COMMERC OFIC |
发明人 |
VALLON R;HERDENBERGER A;DELHOMELLE M |
分类号 |
D21H19/36;E04D5/02;(IPC1-7):06N5/00 |
主分类号 |
D21H19/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|