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
Quaternary ammonium compounds
摘要
申请公布号
US2728776(A)
申请公布日期
1955.12.27
申请号
US19530369729
申请日期
1953.07.22
申请人
SCHERING A. G.
发明人
SCHENCK MARTIN
分类号
C07D235/14
主分类号
C07D235/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Combination current sensor and relay
Absorbent article which maintains or improves skin health
Optical disk apparatus
Optical pickup device with a plurality of laser couplers
Passive ceramic component
High linearity, low power voltage controlled resistor
Hydrostatic pressure test pump
Precision air bearing slide and stage assembly for controlled linear motion
Process for the control of microbial contamination in water-based solids suspensions
Autognomic decision making system and method
Image forming apparatus and an image forming process unit
Active waveshifting
Method and apparatus for the measurement of intra-abdominal pressure
Water emulsifiable formulations
Integrated soft bag inspection system
Hydraulic system with cross function regeneration
Computer system that can be operated without a cooling fan
Manufacturing process for semiconductor device, photomask, and manufacturing apparatus for semiconductor device
Highly compact EPROM and flash EEPROM devices
Portable computer