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
Improvements in and relating to processes for extracting dilute organic acids
摘要
申请公布号
GB505445(A)
申请公布日期
1939.05.10
申请号
GB19370030893
申请日期
1937.11.10
申请人
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT
发明人
分类号
C07C51/48
主分类号
C07C51/48
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ADVERTISING DEVICE
TRANSCRIPTION FIRM FOR ANTI BACTRIAL AND THE MANUFACTURING THEREOF
LIGHT DIRECTING FILM
SWEET ALLIUM TUBEROSUM TEA AND SWEET ALLIUM TUBEROSUM WATER
METHOD AND SYSTEM FOR DETERMINING RELEVANT SOURCES, QUERYING AND MERGING RESULTS FROM MULTIPLE CONTENT SOURCES
Cerium oxide containing ceramic components and coatings in semiconductor processing equipment
MULTI-COMPARTMENT MICROWAVEABLE FOOD CONTAINER
Videon käsittely
LUBRICANT COMPOSITIONS WITH REDUCED PHOSPHOROUS CONTENT FOR ENGINES HAVING CATALYTIC CONVERTERS
Spherical shape glass frit powders with high dispersabiltiy and Process for the Same
Mulberry oil extractor
A process for reducing sulfur, nitrogen and producing useful oxygenates via selective oxidation in a single step from hydrogen carbon materials
GEOMAGNETIC SENSOR, GEOMAGNETIC SENSOR CORRECTION METHOD, TEMPERATURE SENSOR, TEMPERATURE SENSOR CORRECTION METHOD, AND GEOMAGNETIC DETECTION DEVICE
Connector with high current capability
STRUCTURE FOR HOLDING ELECTRONIC COMPONENT
Polypeptid
Polynukleotidbindingskomplekser omfattende steroler og saponiner
Forbedret fremgangsmåde til fremstilling af benzhydrylthioacetamid
Prænatal screening for Down's syndrom ved anvendelse af hyperglykosyleret gonadotropin
Vandoplöselige rapamycinestere
