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
Method for the production of maleic anhydride
摘要
申请公布号
US2215070(A)
申请公布日期
1940.09.17
申请号
US19380207331
申请日期
1938.05.11
申请人
HERCULES POWDER COMPANY
发明人
MILLER JOHN Z.
分类号
C07C51/31
主分类号
C07C51/31
代理机构
代理人
主权项
地址
您可能感兴趣的专利
BOTH-SIDE POLISHING DEVICE
INTEGRALLY CONCRETE-PLACING CONSTRUCTION FOR RISE SECTION AND BEARING SECTION
OPTICAL PICKUP
SPATIAL OPTICAL COMMUNICATION EQUIPMENT
BARREL SHIFTER CIRCUIT
RUNNER FOR PRECISION CASTING, AND SUPPLYING AND TAKING-OUT DEVICE THEREOF
RANGE HOOD FAN
CARBON DIOXIDE GAS SENSOR AND MANUFACTURE THEREOF
TROUBLE REPORT SYSTEM
COLOR FILTER AND PRODUCTION THEREOF
MONITORING DEVICE FOR ABNORMALITY IN LOAD
METHOD AND DEVICE FOR POSITIONING AND MOUNTING DIE OF PRESS MACHINE
SHUTTER CURTAIN FOR BUILDING
SHUTTER CURTAIN FOR BUILDING
DOOR
PLANE HOUSING DEVICE
WIRE-OR PLATE-SHAPED BRAZING MATERIAL COATED WITH FLUX AND PRODUCTION THEREOF AND BRAZING METHOD USING THIS BRAZING MATERIAL
METHOD FOR REDUCING WIDTH AT THE TIME OF CONTINUOUSLY CASTING
PERFORATED FLAT PLATE REVETMENT STRUCTURE
SCREW DRIVING DEVICE