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
Silica-magnesia catalyst and preparation thereof
摘要
申请公布号
US2447181(A)
申请公布日期
1948.08.17
申请号
US19460673485
申请日期
1946.05.31
申请人
ROHM & HAAS COMPANY
发明人
BUTTERBAUGH DARREL J.;SPENCE LE ROY U.
分类号
B01J21/14;C01F5/02
主分类号
B01J21/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISPOSITIF DE SCELLEMENT DE MATERIAU EN BANDE
PROCEDE D'ACETOACETYLATION DE COMPOSES AROMATIQUES
PNEUMATISCHE FADENSPANNUNGSEINRICHTUNG
SEPARATION MEANS
INSECTICIDE WITH INCREASED EFFICIENCY
COMPONENT PARTS' HARDENING,WASHING AND TEMPERING DEVICE
GLASS POLYHEDRONS' PLANE SURFACES POLISHING METHOD AND TOOL FOR APPLICATION OF THIS METHOD
METHOD OF 6-SUBSTITUTED N-((5R,8S,10R)-8-ERGOLINYL)-N,N'-DIETHYLUREAS PRODUCTION
GUIDE BEAM FOR ACCURATE COORDINATES TABLES
DEVICE FOR ROTATION SETS' SHAFTS' AXIAL ALIGNMENT ALIGNING DURING OPERATION
METHOD OF FORMALDEHYDE SEPARATION FROM REACTIVE GASES
GLASS ROTARY REFLECTIVE SHUTTER FOR MONITOR PICTURE CAMERAS
INDUCTOR FOR SEMICONDUCTOR CRYSTALS PREPARATION BY MEANS OF OVERHUNG ZONAL HEAT METHOD WITH INDUCTION HEATING
EPOXY POLYCONDENSATE
AIRCRAFT LANDING AND TAKE-OFF SYSTEM'S LIGHT SIGNALS CONTROL DEVICE
SAFETY VALVE FOR MOTOR-CARS' THREE TILL FIVE CIRCUITS BRAKING SYSTEM
SELF-PRIMING CENTRIFUGAL PUMP
CENTRIFUGAL SEPARATOR
LIFTING MECHANISM WITH PROTECTIVE DEVICE FOR CONVEYANCE'S PANTOGRAPH
COMPRESSOR'S PUTPUT CONTROL DEVICE
