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
Purification of bis-phenols
摘要
申请公布号
US2829175(A)
申请公布日期
1958.04.01
申请号
US19530386114
申请日期
1953.10.14
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
BOWMAN ROBERT S.;DUBBS ARTHUR C.;HEDENBURG JOHN F.
分类号
C07C37/86;C10L1/183;C11B5/00
主分类号
C07C37/86
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Methods for genotyping with selective adaptor ligation
System for creating a biofuel
Method for adding and enforcing enhanced authorization policy on devices in computer operation systems
Digital jitter detector
System and method for controlling display of copy-never content
High contrast optical path corrected screen
Excess lead retaining and management devices and methods of using same
Flexible, non-planar annuloplasty rings
Resin application method on panel, manufacturing method of panel for display and resin applying apparatus thereof
Wireless fireplace damper control device
Liquid crystal display and manufacturing method thereof
Method for fabricating a microscale anemometer
Silicon carbide based porous material and method for production thereof
Induction regulator for an internal combustion engine
EGR cooler system
Control system for a dynamic random access memory and method of operation thereof
Combining UNIX commands with extensible markup language (XML)
Method and device for filling a printing-fluid container
System and method for correcting defective pixels of a display device
Pulsed RF high pressure CO<SUB>2 </SUB>lasers
