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 PURIFICATION OF ALKALI METAL SULFIDES
摘要
Disclosed is a process for the purification of alkali metal sulfides which involves contacting the sulfide as a melt with solid aluminum, aluminum oxide, silica or mixtures thereof.
申请公布号
US3635666(A)
申请公布日期
1972.01.18
申请号
USD3635666
申请日期
1970.07.01
申请人
DOW CHEMICAL CO.:THE
发明人
GEORGE S. FUJIOKA
分类号
C01B17/36;(IPC1-7):C01B17/22
主分类号
C01B17/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Roll-over lock protection for railroad car coupler
Apparatus for selecting tablets
High speed continuous assembly machine
Machine tool with common drive for worktable and pallet shuttle
Bicycle engine
Product feed apparatus
Incinerator with improved means for transferring burning waste through the combustion chamber
Turntable for automobiles
Stacking control for a radial stacker
Method of making expandable seal for use between a recuperator tube and recuperator
Differential pressure sensor with dual level overrange protection
LIQUID SPRAY AND APPARATUS THEREFOR
Method of making automotive trim strip laminate
OPEN TUBE GALLIUM DIFFUSION PROCESS FOR SEMICONDUCTOR DEVICES
DEVICE FOR CHECKING DEGREE OF FILLING IN TIP OF CIGARETTE
COMPOSITION CONTAINING 2,2-DIMETHYL-1,3-BENZODIOXOL-4-YL N-METHYLCARBAMATE
PROCESS FOR PREPARING SMOKE-RETARDANT POLYISOCYANURATE FOAM
COMPOSITE MATERIALS
COATING COMPOSITIONS
ELECTRONIC DISPLAY SYSTEM