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
PROCESS FOR THE PURIFICATION OF VITAMIN A
摘要
申请公布号
EP0009090(B1)
申请公布日期
1981.04.08
申请号
EP19790102526
申请日期
1979.07.18
申请人
BASF AKTIENGESELLSCHAFT
发明人
SCHULZ, BERNHARD, DR. CHEM.;GRASSNER, HANS, DR. CHEM.;GRAFEN, PAUL, DR. CHEM.
分类号
C07C403/08;C07C67/00;C07C401/00;C07C403/00;C07C403/12;(IPC1-7):C07C175/00
主分类号
C07C403/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VERFAHREN ZUR ÜBERWACHUNG UND REGELUNG EINER FUTTERPUMPE IN FLÜSSIGFÜTTERUNGSANLAGEN
VORRICHTUNG UND VERFAHREN ZUM AUFBRINGEN VON FLUIDTROPFEN
BENUTZERSCHNITTSTELLE FÜR EINE FERNSTEUERANWENDUNG
MEDIZINISCHE BALLONS
Plug valve having a seal boss
WASHER PRESSURE EQUALIZATION SYSTEM
Novel rock inhibitors
Art display lamp
METHOD FOR PRODUCING AMIDE COMPOUND
HYDRAZONE DERIVATIVE
NOVEL 2-AMINOPYRIMIDINE DERIVATIVES AND THEIR USE
Active control of a body by altering surface drag
COSMETIC COMPOSITION COMPRISING THE FERMENTED EXTRACTS OF TISSUE CULTURES OF PANAX GINSENG AND CROWBERRY (EMPETRUN NIGRUM)
DRUG DELIVERY SYSTEM USING MAGNESIUM ALLOY
METHOD FOR CULTURING MYCOPLASMA CONTAMINATION FREE CELLS AND METHOD FOR ELIMINATING MYCOPLASMA CONTAMINATION OF CELLS
OPTICAL TRANSMISSION MODULE, ELECTRONIC DEVICE, METHOD FOR ASSEMBLING OPTICAL TRANSMISSION MODULE AND OPTICAL TRANSMISSION METHOD
ELECTRO MECHANICAL BRAKE DEVICE
LIGHT GUIDE DEVICE
MOLDING APPARATUS AND MOLDING METHOD USING THE SAME
A FLEXIBLE ORGANIC THIN FILM TRANSISTOR PREPARED BY INKJET PRINTING AND VAPOR DEPOSITION POLYMERIZATION