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 preparing polyvinyl acetal and ketal resins
摘要
申请公布号
US2265255(A)
申请公布日期
1941.12.09
申请号
US19390260506
申请日期
1939.03.08
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
STAMATOFF GELU S.
分类号
C08F8/28
主分类号
C08F8/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
8-HYDROXY QUINOLINE DERIVATIVES
LIQUID CRYSTALLINE POLYMERS, PROCESSES FOR THEIR MANUFACTURE, AND ARTICLES THEREOF
COATINGS
Thermal interconnect and interface systems, methods of production and uses thereof
Support intended to be siliconized by silicones (ltc)
Septic tank drain field pipe manifold system and method of use
Locking bolt work apparatus for atm
LOCKING BOLT WORK APPARATUS FOR ATM
METHOD AND SYSTEM FOR A MULTI-PURPOSE TRANSACTIONAL PLATFORM
SYSTEM AND METHOD FOR OFFERING PORTABLE LANGUAGE INTERPRETATION SERVICES
REMOTE AUTHENTICATION OF TWO DIMENSIONAL BARCODED INDICIA
FLAT PANEL DISPLAY SUBSTRATE AND THIN FILM EL ELEMENT
METHOD FOR OPERATING A WIND POWER PLANT AND METHOD FOR OPERATING IT
Marking heat-treated substrates
LOW-HEIGHT DUAL OR MULTI-BAND ANTENNA, IN PARTICULAR FOR MOTOR VEHICLES
Movable barrier safety control
MOVABLE BARRIER SAFETY CONTROL
ANTENNA DEVICE
FLUTED FILTER MEDIUM AND PROCESS FOR ITS MANUFACTURE
SEALING MEMBER AND TONER CONTAINER PROVIDED WITH SUCH A SEALING MEMBER