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
Method for the purification of 1,1,1,2-tetrafluoroethane
摘要
申请公布号
EP0592711(B1)
申请公布日期
1997.02.05
申请号
EP19920117556
申请日期
1992.10.14
申请人
SHOWA DENKO KABUSHIKI KAISHA
发明人
OHNO, HIROMOTO;OHI, TOSHIO;NAKAYAMA, HIDETOSHI;MURAMAKI, KAZUO
分类号
C07C17/38;C07C17/395;(IPC1-7):C07C17/38;C07C19/08
主分类号
C07C17/38
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MAP DATA UPDATER DEVICE, MAP DATA UPDATER METHOD, MAP DATA UPDATER PROGRAM, AND MAP DATA UPDATER SYSTEM
ONLINE EDUCATIONAL SOFTWARE
INSULATOR ARRANGEMENT
Rotationssymmetrische Formkörper
Heat sink for electrical energy storage device used in vehicle, has flow channel for fluid, and side surface for contacting electrical energy storage device
METHOD AND SYSTEM OF UPDATING A GEOCELLULAR MODEL
NOTEBOOK DEVICE
SOLAR POWERED LAMP WITH BRIGHTNESS CONTROL
POTENT INHIBITORS OF COMPLEMENT ACTIVATION
ANTENNA DEVICE FOR POSITION DETECTION, POSITION DETECTION DEVICE EQUIPPED WITH THIS ANTENNA DEVICE, AND POSITION DETECTION METHOD
Device for heat treatment of thin film material used in manufacture of solar cell, has fan that is arranged between guide element and loading assembly and is aligned in axial direction
CURRENT SENSOR
PERCUTANEOUS ABSORPTION PROMOTER AND EXTERNAL SKIN PREPARATION
FITTING SYSTEM FOR A VEHICLE SEAT
INFORMATION TRANSMITTING METHOD, DEVICE, AND SYSTEM
ROCKER CONTACT SWITCH FOR ELECTRICAL DEVICE.
SYNCHRONOUS CONTROL METHOD FOR FUEL SWITCH OF OIL-GAS DUAL-MODE VEHICLE
SPATIAL BLOCK MERGE MODE
PROGNOSTIC SIGNATURE FOR ORAL SQUAMOUS CELL CARCINOMA
IMPACT TOOL