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
Isolation of styrene by azeotropic distillation
摘要
申请公布号
US2481734(A)
申请公布日期
1949.09.13
申请号
US19460642753
申请日期
1946.01.22
申请人
ALIFED CHEMICAL & DYE CORPORATION
发明人
ENGEL KARL H.
分类号
C07C7/06
主分类号
C07C7/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD FOR MANUFACTURING RESIN-METAL COMPOSITE BEVEL GEAR
DRUM TYPE BRAKE AND SADDLE TYPE VEHICLE
REPRODUCTION METHOD FOR OLD RAMSHACKLE PIPE
VALVE STRUCTURE
VALVE STRUCTURE
CONTINUOUSLY VARIABLE TRANSMISSION
SCROLL FLUID MACHINE
CAVITATION DIAGNOSTIC DEVICE AND METHOD OF HYDRAULIC MACHINE
ENGINE DRIVEN WORKING MACHINE
ELECTRONIC CONTROL DEVICE AND ADAPTATION ASSIST METHOD FOR ELECTRONIC CONTROL DEVICE
HEAT POWER GENERATION SYSTEM
SCROLL TYPE FLUID MACHINE
CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
INTERNAL COMBUSTION ENGINE
ENGINE STARTER
ENGINE CONTROL DEVICE, VEHICLE CONTROL DEVICE AND ENGINE CONTROL METHOD
ENERGY RECOVERY DEVICE
WALL STRUCTURE AND ITS CONSTRUCTION METHOD
MULTIPURPOSE DISASTER REFUGE BUILDING
DRILL HEAD ELEVATOR
