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
Production of chrysene
摘要
申请公布号
US2056915(A)
申请公布日期
1936.10.06
申请号
US19330692122
申请日期
1933.10.04
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
WULFF CARL;TREPPENHAUER MAX
分类号
C07C2/76
主分类号
C07C2/76
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INDEX SYSTEM COLOR TELEVISION RECEIVER
DETECTION DEVICE OF COLOR SHADING
RELEASE SYSTEM OF ANNOUNCEMENT EQUIPMENT
SIGNAL ENCODING TRANSMISSION EQUIPMENT
MANUFACTURING METHOD FOR RING TYPE FLUORESCENT LAMP
BRANCH AND COMPOSITION SYSTEM
DETECTING METHOD OF DESIRED PHENOMENON IN ELECTRONIC COMPUTER SYSTEM
REGULATED POWER SUPPLY CIRCUIT HAVING OUTPUT LEVEL DETECTING CIRCUIT
MULTIELECTRODE BOILER
TREATMENT OF COAL CONTAINING ALKALINE EARTH
HEAT PUMP TYPE ROOM AIRCONDITIONER
Flash proof blast location slide projector - has blackened flash proof housing with internal fan and light source with sealed optics
Traffic sign or barrier post - has elastic sheath enclosing full length solid steel core
METHOD OF MANUFACTURING ELECTRIC CONTACT
MANUFACTURING APPARATUS FOR SINGLE CRYSTAL
BICYCLE WITH AUXILIARY POWER
VORTRIEBSMASCHINE FUER DEN VORTRIEB VON TUNNELN, STRECKEN U.DGL.
Coating thickness of article measured immediately after application - by radiometric thickness method and used to regulate coating apparatus
Wood plank handling device - has suction grippers each with valve element in suction cup selectively blocking common vacuum and pressure medium line
Massaging device having flexible support sheet for patient - with concave rolls travelling beneath to produce moving undulations