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
摘要
申请公布号
DE2141756(A1)
申请公布日期
1972.02.24
申请号
DE19712141756
申请日期
1971.08.20
申请人
发明人
分类号
C07C;C07D251/28;C07D251/36;(IPC1-7):C07D55/40
主分类号
C07C
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Atipamezole hydrochloride crystallization method
Preparation and application of transhintotalphenolic acid
Transistors with recessed active trenches for increased effective gate width
Ultra cleaning of combustion gas including the removal of CO2
Semiconductor device production method and semiconductor device
Format detection
Device and method to determine the contrast sensitivity of an individual's visual system
Method of analyzing basestocks for low temperature properties
Compositions and processes for reducing NOx emissions during fluid catalytic cracking
Method apparatus and business system for online communications with online and offline recipients
Methods and apparatus to perform process placement for distributed applications
Circuit for creating tracking transconductors of different types
Hidden sensor structure for paintball gun
Intravascular occlusion balloon catheter
Display arrangement including face detection
Circulating member for a ball screw
Write-once optical recording medium and defect management information management method thereof
Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water
Dynamic adjustment of wing surfaces for variable camber
Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring