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
Extraction process
摘要
申请公布号
US2246227(A)
申请公布日期
1941.06.17
申请号
US19390251345
申请日期
1939.01.17
申请人
SHELL DEVELOPMENT COMPANY
发明人
WEBB WELLS ALAN
分类号
C10G21/00
主分类号
C10G21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Bovine rotavirus genes
Variable attenuator for optical fiber applications and method of making
Method for determining the fuel content of the regeneration gas in an internal combustion engine comprising direct fuel-injection with shift operation
Polymer-type humidity sensor
Magnetic seal
Battery pack
Operation level indicator device
Method and apparatus for combining power control commands received in a wireless communication system
Liquid droplet spray device
Members for semiconductor manufacturing apparatus and method for producing the same
Tire/wheel assembly and run-flat support member
Catalyst warm up control for diesel engine
Sample collection preparation methods for time-of flight miniature mass spectrometer
Dynamic random access memory (DRAM) capable of canceling out complementary noise developed in plate electrodes of memory cell capacitors
Semiconductor device
High-density plasma source
Solid electrolyte cell having a rolled electrolyte body
High intensity blending tool with optimized risers for increased intensity when blending toners
Electrical fuse element test structure and method
Immunotherapy using cytotoxic T lymphocytes (CTL)
