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 or relating to alkaloid extraction processes
摘要
申请公布号
GB772122(A)
申请公布日期
1957.04.10
申请号
GB19550027111
申请日期
1955.09.22
申请人
ALBERT BOEHRINGER;ERNST BOEHRINGER;ILSE LIEBRECHT;JULIUS LIEBRECHT
发明人
分类号
C07D459/00;C07G5/00
主分类号
C07D459/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Brush making machine
Melting metal particles and dispersing gas with vaned impeller
Detection of range discontinuities in stereoscopic imagery
FLUID PRESSURE SWITCH ADAPTED FOR LOW FLUID PRESSURE AND THROUGHPUTS
Boron containing compounds and their preparation and use in neutron capture therapy
Process for preparing arylene sulfide sulfone/sulfoxide polymers
FREE-FLOWING POLYAMIDE MOLDING COMPOUNDS
Testing device for an electric generator
Tissue laminates having adhesively joined tissue laminae
Sulfur absorbants
Apparatus for internal backmix cooling
PREPARATION OF OXIDATION-STABLE AND LOW-TEMPERATURE-STABLE BASE OILS AND MIDDLE DISTILLATES
METHOD OF DRILLING BORES
Snap lock system for tubular parts
Hydraulic modulator with equal, opposing chambers formed by a piston
Bubbling dense bed catalyst regenerator with higher efficiency base region
Method of producing molds that can be washed away with water and use of such molds
Paper sheets binding apparatus
ELASTIC PIVOTING SLIDE BEARING
Active toe adjustment apparatus
