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 ASYMMETRIC HYDROGENATION OF ALPHA-KETOCARBONYL-DERIVATIVES INTO OPTICALLY ACTIVE ALPHA-HYDROXYCARBONYL DERIVATIVES
摘要
申请公布号
EP0437690(A3)
申请公布日期
1992.05.20
申请号
EP19900120856
申请日期
1990.10.31
申请人
DEGUSSA AKTIENGESELLSCHAFT
发明人
SCHAEFER, ADOLF, DR.;ARNTZ, DIETRICH, DR.
分类号
B01J31/02;B01J31/18;C07B61/00;C07C51/367;C07C59/01;C07C67/31;C07C67/317;C07C69/675;C07C231/12;C07C235/06;C07D307/33;(IPC1-7):C07B53/00
主分类号
B01J31/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
NONVOLATILE SEMICONDUCTOR MEMORY
Production of crosslinked polyethylene oxide films useful as biomaterials comprises irradiating a film having a defined water content
New benzothiazine and benzothiadiazine derivatives useful as Alpha amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) modulators, useful for treating and preventing memory disorders, anxiety and depression
PROCEDE D'EVALUATION DE LA REGION DU CONTOUR DE L'OEIL ET DISPOSITIF POUR LA MISE EN OEUVRE D'UN TEL PROCEDE
RUST STAIN GUTTER OF BRIDGE
Mobile telephone/pay TV telecommunication subscriber network electronic signatures having server receiving message/validating/producing over signature and second message sent with transaction section/signature with over writing.
DISPOSITIF DE FREINAGE DE SECURITE D'UN ORGANE ROTATIF
Electronic catalog exchange between business organizations, uses data file and attributes file transmitted from supplier to customer, and customer can modify attributes to their needs
Manufacture of semiconductor device by forming trench isolation oxide film, implanting impurity ions to form channel stop layers in semiconductor layer, and reducing thickness of trench isolation oxide film after forming channel stop layers
DETERMINING A CHARACTERISTIC FUNCTION FROM A MATRIX WITH ENRICHMENT AND COMPRESSION
PALLETIZED TRAY SYSTEM
METHOD OF MANUFACTURING PHASE SHIFT MASK, PHASE SHIFT MASK AND DEVICE
QCL/DFB laser improved optical multilayer characteristic manufacture having ions multilayer optic waveguide implanted highly doped layer following specific pattern/modifying layer refractive index.
Turbine-type liquid flowmeter has a modular design that facilitates replacement of constituent elements so that repair is simple, fast, inexpensive and can be carried out on site
Mobile telephone users address index notebook having digital base user profile maintaining address index/setting daily states/available states and transmitting available recorded terminals used.
Control system for opening/closing clutch comprises transmitter piston defining two chambers, supply liquid injected in first through electro-valve, controlled by computer, sensor transmitting piston position to computer
Electronic recording of part of a display code for a graphic element, uses storage of code associated with a newly selected region of a graphic image
Device for the capture and filtration of polluting products in an aquatic medium comprises a knitted double layer wire
Container/applicator for cosmetic or hygiene product in stick form has hole in stick for propulsion screw and support that anchors onto piston
МОБИЛЬНОЕ УСТРОЙСТВО ДЛЯ ОБТОЧКИ КОЛЕС ЖЕЛЕЗНОДОРОЖНОГО СОСТАВА
