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 PRODUCTION OF VITAMIN D
摘要
申请公布号
US3575831(A)
申请公布日期
1971.04.20
申请号
USD3575831
申请日期
1968.05.22
申请人
HOFFMANN-LA ROCHE INC.
发明人
KARLHEINZ PFOERTNER
分类号
C07C401/00;(IPC1-7):B01J1/10;C07G13/00
主分类号
C07C401/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CATALYST FOR PURIFYING EXHAUST GASES AND METHOD FOR MANUFACTURING SAME
PROCESS FOR PRODUCTION OF CARBON ARTIFACT PRECURSORS
APPARATUS FOR SERVICING GAS LINES
DRIFT ELIMINATOR STRUCTURE FOR COUNTERFLOW WATER COOLING TOWER
DEGASSING OF DRILLING FLUIDS
METHOD AND APPARATUS FOR DEWATERING SLUDGE
VACCINE FOR INFECTIOUS BOVINE RHINOTRACHEITIS
PUMP PLUG FOR USE IN WELL OPERATIONS
DEVICE FOR ENABLING REGISTRY OF OPERATIONS IN AN APPARATUS FOR CONTINUOUSLY FORMING CONTAINERS FILLED WITH MATERIAL
Starting and operating circuit for gaseous discharge lamps
Treatment of gastric and gastro-duodenal disorders with derivatives of phenyl aliphatic carboxylic acids
Composite reinforced racket structure
Fume hood incorporating high efficiency auxiliary air plenum
Leukocyte migration through antigen containing agaroses for immunocompetence testing
Method for the recovery of enzymes after the treatment of starch-containing raw materials used for the production of fermentation alcohol
Stabilized estradiol cream composition
Process for gasifying solid carbon containing materials
Boom for sailboards
Automobile transmission casing having reinforcement
Roll changing device for rolling mill
