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
Inhibition of moisture transmission through rigid pervious media
摘要
申请公布号
US2750307(A)
申请公布日期
1956.06.12
申请号
US19530385713
申请日期
1953.10.12
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
BERGE ROBERT W. LA
分类号
C04B41/49;C04B41/64
主分类号
C04B41/49
代理机构
代理人
主权项
地址
您可能感兴趣的专利
NONVOLATILE MEMORY ELEMENT AND NONVOLATILE MEMORY DEVICE
Lamp Capable of Storing Energy
LIGHT-GUIDED LED INDIRECT LIGHTING DEVICE
DETACHABLE SOLAR PANEL LED DESK LAMP
MOUNTING APPARATUS FOR PCI CARD
POWER SOURCE PROTECTION CIRCUIT INCLUDING OVER-VOLTAGE PROTECTOR AND OVER-CURRENT PROTECTOR
METHOD FOR PROVIDING AN ON-DEMAND SOFTWARE EXECUTION SERVICE
NFC-Enabled Devices to Store and Retrieve Portable Application-Specific Personal Information for Use with Computational Platforms
EMI SHIELD FOR MEDICAL DEVICE TELEMETRY ANTENNA
SYSTEMS AND METHODS FOR PROVIDING LOCAL EVENT LISTINGS WITH VIDEO
Apparatus and Systems For Measuring, Monitoring, Tracking and Simulating Enterprise Communications and Processes
LOAD BALANCING BASED UPON DATA USAGE
Single-Stock Futures Contract (SSFC)
SYSTEMS AND METHODS FOR ESTABLISHING FIRST ON THE FOLLOW TRADING PRIORITY IN ELECTRONIC TRADING SYSTEMS
Refrigeration Compressor Lubricant
DI-ISOIMIDE COMPOSITION
MOBILIZED POLLING STATION
METHOD FOR PREDICTING OPTIMIZED CRYSTAL STRUCTURES
Constant Low-Flow Air Source Control System And Method
FUEL CELL SYSTEM AND METHOD OF OPERATING THEREOF