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
MINERAL OIL REFINING PROCESS
摘要
申请公布号
CA422245(A)
申请公布日期
1944.08.22
申请号
CAD422245
申请日期
申请人
PETROLEUM RESEARCH CORPORATION
发明人
ROSCOE D. HOWARD
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method and arrangement for arranging, selecting and displaying location data in a cellular telephone system, and a terminal of a cellular network
Four-port PM circulator
Ophthalmic lens having a projection insert
Pulley apparatus with built-in roller clutch and assembly method thereof
Internal electronic transmission range selection (ETRS) system for an automatic transmission
Apparatus and methods for monitoring compliance with recommended hand-washing practices
Method for making electrodes for nickel-metal hydride batteries
Hydrodynamic and hydrostatic hybrid bearing and its manufacturing method
Refrigerant material transfer device and method
Indole-3-carboxamides as glucokinase activators
Flap valve
Double frequency antenna
Carbon fiber, electrode material for lithium secondary battery, and lithium secondary battery
Tomosynthesis X-ray mammogram system and method with automatic drive system
Humanized biomaterials, a process for their preparation and their applications
Stator winding having cascaded end loops
Refiner bleaching with magnesium oxide and hydrogen peroxide
Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereof
Stacked electrochemical cell
Method for hydroformylation, xanthene-bridged ligands and catalyst comprising a complex of said ligands