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
Purification of cellulose ethers
摘要
申请公布号
US2138757(A)
申请公布日期
1938.11.29
申请号
US19370139584
申请日期
1937.04.28
申请人
THE DOW CHEMICAL COMPANY
发明人
COLLINGS WILLIAM R.;KAUPPI TOIVO A.
分类号
C08B11/20
主分类号
C08B11/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AMINO PHOSPHORYL TREATED TITANIUM DIOXIDE
A PROTEASE DETECTION PRODUCT
METHOD AND APPARATUS FOR SORTING FINE NONFERROUS METALS AND INSULATED WIRE PIECES
SWIMMER DETECTION SONAR NETWORK
PRODUCTION OF PEROXIDASE FROM PLANT CELL AND CALLUS CULTURES
METHOD FOR POLISHING A SUBSTRATE SURFACE
WAVEGUIDE DEVICE
AUTHENTICATING AN APPLICATION
ORAL CARE REGIMENS AND KITS
DICYCLOOCTANE DERIVATES, PREPARATION PROCESSES AND MEDICAL USES THEREOF
CATALYST FOR PREPARING METHACRYLIC ACID, METHOD FOR PREPARING THE SAME, AND METHOD FOR PREPARING METHACRYLIC ACID USING THE SAME
CROSSLINKED AROMATIC POLYMER, POLYMER ELECTROLYTE, CATALYST INK, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL
HYDROGEN GENERATOR AND ELECTROLYTE SOLUTION THEREFOR
PASSAGE STRUCTURE FOR FUEL CELL STACK, AND SEPARATOR FOR FUEL CELL STACK
REACTOR, GENERATOR AND ELECTRONIC APPARATUS
METHOD AND APPARATUS FOR PRODUCING FINE-PARTICLE FILM USING COAXIAL TYPE VACUUM-ARC VAPOR DEPOSITION SOURCE
WIRE HARNESS MOUNTING DEVICE FOR LONG OBJECT GROMMET, AND WIRE HARNESS MANUFACTURING METHOD WITH LONG-OBJECT GROMMET
COMMUNITY SITE PROVIDING SYSTEM, COMMUNITY SITE PROVIDING METHOD, AND COMPUTER PROGRAM
CENTER-SIDE OPTICAL COMMUNICATION DEVICE AND OPTICAL COMMUNICATION SYSTEM
METHOD FOR HIGHLY PURIFYING SILICON CARBIDE SINTERED COMPACT
