首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Verfahren zur Herstellung von Triphenylmethanfarbstoffen
摘要
申请公布号
DE848231(C)
申请公布日期
1952.09.01
申请号
DE1950E001821
申请日期
1950.07.21
申请人
FARBWERKE HOECHST
发明人
SCHAEFER GUSTAV DR.
分类号
C09B11/24
主分类号
C09B11/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Oil tank and pipeline alarm system and system comprising the same
SUBBAND CODING APPARATUS AND METHOD OF CODING SUBBAND
USO DE LOS COMPUESTOS Y DERIVADOS 2,5-DIHIDROXIBENCENICOS EN LA PREPARACION DE MEDICAMENTOS UTILES EN EL TRATAMIENTO DE ROSACEA Y PSORIASIS.
Optical modulation device
A method for estimating the temperature in an internal combustion engine
EASY ACCESS HAND COVERING
Tidal turbine with limited axial thrust
Support structure for a roof lantern
Cavitation deterring energy efficient fluid pump system and method of operation
Bi-directional control of power adapter and load
Power cutoff device automatically operated upon occurrence of spark on electric wire
Vacuum cleaner with power cord winding arrangement
Method and apparatus for fluid migration profiling
Pipe connector
A pull-out spray head for a kitchen sink faucet
Locking differential with sacrificial tube that prevents component failure
Punching Apparatus with temperature control means
Semiconductor device using memory cell array activation and erase information
Safety shield for electrical back box
Barrier system
