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
Biphenol process
摘要
Phenols, e.g. 2,6-di-tert-butylphenol, are coupled to form biphenols, e.g. 4,4'-bis(2,6-di-tert-butylphenol), by reaction with aqueous hydrogen peroxide under basic conditions in the presence of a phase transfer agent.
申请公布号
US4847434(A)
申请公布日期
1989.07.11
申请号
US19880146428
申请日期
1988.01.21
申请人
ETHYL CORPORATION
发明人
MINA, GEORGE L.;GOINS, DIXIE E.;GRAMLING, JOHN S.
分类号
C07C37/11
主分类号
C07C37/11
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Turret for a machining tool
MEMBRANE ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL, AND METHOD FOR PRODUCING CATHODE FOR SOLID POLYMER FUEL CELL
METHOD FOR SIGNALLING A BRAKE PROCESS AT A TRAILER VEHICLE, CONTROL DEVICE FOR THIS PURPOSE, AND LIGHTING SYSTEM, TRAILER VEHICLE BRAKE SYSTEM AND TRAILER VEHICLE WITH SAID CONTROL DEVICE
LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING ITS TRANSPARENT ELECTRODE
Scanning device and method for determining the contours of an object
Vehicle operation supporting device and vehicle operation supporting system
AGGLUTINATION IMAGE AUTOMATIC JUDGING METHOD BY MT SYSTEM, DEVICE, PROGRAM, AND RECORDING MEDIUM
CONFIGURATION OF FIELD DEVICES ON A NETWORK
A DRYER COMPRISING A DRYNESS SENSOR
SYSTEM AND METHOD FOR LISTENING TO AUDIO CONTENT
OPTICALLY-ACTIVE DIAZABICYCLOOCTANE DERIVATIVE AND METHOD FOR MANUFACTURING SAME
SUBSEA MOTOR-TURBOMACHINE
OPTICALLY COUPLED COCHLEAR IMPLANT SYSTEMS
ACCELEROMETER BASED REMOVAL AND INVERSION TAMPER DETECTION AND TAP SWITCH FEATURE
Pitch Control Mechanism
DEVICE AND METHOD FOR PRODUCING AN EFFECTIVE FOG WALL OR FOG CLOUD
AN INTELLIGENT TRANSPORTATION SYSTEMS DEVICE
Hair conditioner preparation with a special mixture of cationic conditioners
HIGH-PRESSURE PUMP CAM TOP POSITION DETECTING DEVICE
Display device