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 menthene
摘要
申请公布号
US1921138(A)
申请公布日期
1933.08.08
申请号
US19310522518
申请日期
1931.03.13
申请人
SCHERING-KAHLBAUM A. G.
发明人
SCHOELLER WALTER;SCHWENK ERWIN;BORGWARDT ERICH
分类号
C07C5/25
主分类号
C07C5/25
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Ion exchange resinous product
Method of fractionating solutes dissolved in a mutual solvent
Production of hydroxylammonium sulfate
Reverse dish action piston ring
Packaging carton for cans and the like
Protective sleeve for chime of fiber drum
Metering valve for use on centralized liquid distribution systems
Mechanism for materials handling machines
Panel sheet turner
Mining machine rotary boring head having radially adjustable cutting arms
Cascade conveyor
Tiltable wheel assembly for motor vehicles
Handbag and replaceable wraparound cover flap therefor
Portable hand loom
Mechanically driven loom of great width
Sanitary pad holder
Hand-attached accessory device for infants
Fluid power steering control valve
Shearing machine with automatic return
Electric lamp base filling nozzle