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
NITROCOUMARINES
摘要
申请公布号
BE846385(A1)
申请公布日期
1977.03.21
申请号
BE19760170778
申请日期
1976.09.20
申请人
发明人
分类号
C07C43/178;C07C45/71;C07C49/84;C07D309/12;C07D311/18;C07D311/54;C07D311/56;(IPC1-7):C07D/
主分类号
C07C43/178
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Acoustic call signal generator for telephone - has moving coil or piezoelectric transducer and oscillating circuit consisting of triggering diode and capacitor
Relay circuit for telephone system - uses contacts of one relay to connect other relays in series after actuation to hold, with reduced power consumption
Adjustable film resistor with fuse action - has parallel cuts forming major sector of circle on cylindrical surface to produced narrow fusible section
Gas or steam turbine system - uses same size parts with varying stage press. drops and changing nozzle with shape to vary conditions
Rim for automobile wheel - has circumferential reinforcing rib and is welded to wheel disc
Electronically operated thyristor switch circuit - has two antiparallel thyristors coupled by gates via two decoupling diodes to triggering thyristor
Gymnastics or dancing aid - consists of elastic band looped to help couple match their movements
Roller shutter side bearing guide - has attenuators projecting from guide surface for noise reduction
Crosslinkable acrylonitrile copolymer - contg. units of acid amide, its methylol acyl ester and methoxy derivs. giving dimensional stability
Systematic real coupling compensation - is for communications cables, cores of which have identification colour on insulation
Miniature laser with lasing crystal - has pumping diode recessed into crystal to move active region away from corner irregularities
Sealed skin pack - produced by laying framed thermoplastic film over article and base before evacuating and heating
Lever actuated loading scoop - has hydraulically actuated struts on connecting supports on traction vehicle
Model railway track layout - has branch curvature extending over 60 degrees for accurate scale modelling and reduction of derailing danger
Test cuvette for temp. controlled investigations - has glass encapsulated sensor tip projecting into chamber
Cigarette packaging machine cigarette porosity testing device - has air jet and pressure monitor at end plate to operate ejector
Refractory mass for wet spraying on buildings - is mixed with water at intermediate point of supply pipe
Rotary percussive drill tool - has radial blade and second blade vertical to outside tool endface centre point
Surface parallelism alignment equipment - has telescope with double cross:hairs above surface reflector
Measuring microcell for high press. chromatography - has connecting metal tubes with conical ends abutting conical seats in cell glass body