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
Processes for breaking petroleum emulsions
摘要
申请公布号
US2549436(A)
申请公布日期
1951.04.17
申请号
US19490109796
申请日期
1949.08.11
申请人
PETROLITE CORPORATION, LTD.
发明人
GROOTE MELVIN DE;WIRTEL ARTHUR F.;PETTINGILL OWEN H.
分类号
C10G33/04
主分类号
C10G33/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Inner wall of a communication passage between two vehicles esp. of a communication passage with bellows.
Two component aerosol can.
Metallocener, fremgangsmåte for fremstilling derav og deres anvendelse som katalysatorer
Helically geared compound transmission.
Optical signal coupler.
Polyglycerol esters as functional fluids and functional fluid modifiers.
Method and apparatus for forming two toner images in a single frame.
Multipurpose construction vehicle.
Attaching articles to sheet material with flexible ties.
Semiconductor optical sensor and method of manufacturing it.
Positive feeding device for circular knitting machine.
Disc drive and cartridge arrangement.
APPARATUS FOR THE PRODUCTION OF PHOSPHOROUS OR NITROGEN-CONTAINING COMPOUNDS.
Benzopyran derivatives.
Aminoalkyl indoles, process for their preparation and pharmaceutical compositions thereof.
Heat cooking apparatus.
Recording and/or reproducing apparatus.
Proteinaseinhibitors, method for their preparation and pharmaceutical compositions containing them.
Conveyor.
BIOTELEMETRIC METHOD FOR TRANSMITTING BIOELECTRIC POTENTIAL DIFFERENCES AND DEVICE FOR TRANSMITTING ECG SIGNALS.