Monofunctionalised EDTA, DTPA and TTHA derivatives and their use in
申请人:Schering Aktiengesellschaft
公开号:US06080785A1
公开(公告)日:2000-06-27
The invention relates to new monofunctionalized ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid and triethylenetetraaminehexaacetic acid derivatives, their production and their use for the production of pharmaceutical agents.
Crosslinkers for improving stability of polyurethane foams
申请人:Vedage Gamini Ananda
公开号:US20080090922A1
公开(公告)日:2008-04-17
A composition for making a polyurethane foam includes a non-fugitive tertiary amine urethane catalyst and an alkylated polyamine crosslinking additives. Foams prepared from the reaction of a polyol and an organic isocyanate in the presence of these ingredients show improved resistance to deterioration of physical properties upon humid aging.
SURFACTANT COMPOSITION, AND MANUFACTURING METHOD AND APPLICATION OF SAME
申请人:China Petroleum & Chemical Corporation
公开号:US20160122621A1
公开(公告)日:2016-05-05
This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an anionic-nonionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.
Gegen Thermolyse stabilisierte Formmassen mit geringem Monomerengehalt
申请人:BAYER AG
公开号:EP0056115A2
公开(公告)日:1982-07-21
Gegen thermolytischen Abbau stabilisierte thermoplastische Formmassen mit geringen Restmonomergehalten auf der Basis von Acrylnitril, Styrol (oder a-Methylstyrol) und gegebenenfalls Kautschuken, enthaltend 0,01 bis 20 Gew.-%, bezogen auf Gesamtgewicht, von Verbindungen der Formel I
mit einer Basizität pkα>7,0 und/oder deren Salzen mit schachen Säuren, die einen pk>2,0 besitzen, in der n eine ganze Zahl von 0 bis 10, m eine ganze Zahl von 1 bis 500, sowie R' und R3 gleiche oder verschiedene organische Reste darstellen.
以丙烯腈、苯乙烯(或 a-甲基苯乙烯)以及可选的橡胶为基础的热塑性模塑组合物,具有较低的残余单体含量,可稳定热解降解,含有 0.01 至 20%(按总重量计)的式 I 化合物。
其中 n 为 0-10 的整数,m 为 1-500 的整数,R'和 R3 为相同或不同的有机基。
Method of treatment with medical agents
申请人:Mitra Medical Technology AB
公开号:EP1327454A2
公开(公告)日:2003-07-16
A method of therapeutic or diagnostic treatment using a medical agent in which there will be beneficial effects if the level of circulating medical agent is reduced artificially faster than the reduction by the normal clearance or routes that obviate normal clearance mechanisms. The method includes the extracorporeal removal of the medical agent by passing bodily fluid from the patient over a support adapted to selectively immobilize the medical agent.