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
EXTRACTING HYDROCARBONS FROM SUBSTRATE
摘要
申请公布号
GB8705473(D0)
申请公布日期
1987.04.15
申请号
GB19870005473
申请日期
1987.03.09
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
分类号
C10B49/22;C10B53/06;C10G1/02
主分类号
C10B49/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Synergistic combinations of iodopropargyl compounds with 1,2-benzisothiazolin-3-one in controlling fungal and bacterial growth in aqueous fluids
Filtering apparatus with rotatable filter drum
ADDITIVE FOR EXTRUSION-MOLDED CEMENT PRODUCT
Light emitting diode
Apparatus and method for reading, writing, and refreshing memory with direct virtual or physical access
System and method for analyzing optical spectral data of a terrain image
Recognizing and judging apparatus
AGC circuit with non-linear gain for use in PLL circuit
Tuyere for installation in hearth of electric arc furnace
Silicate gel dye laser
Method of maximum likelihood decoding with sub-sampled decoding trellis, and corresponding decoding device
Optical head cleaning cartridge
Magnetic field modulation magnet-optical recording apparatus in which an FM modulator and a magnetic head driving circuit are used in common
Parts mounting inspection method
Lubrication of a detoning roll
Dually polarized monopulse feed using an orthogonal polarization coupler in a multimode waveguide
Synthetic aperture radar digital signal processor
SiGe transferred electron device and oscillator using same
Double phase locked loop circuit
Method and apparatus for signal demodulation using time-intervals
