[EN] PHOSPHINYL FORMAMIDINE COMPOUNDS, METAL COMPLEXES, CATALYST SYSTEMS, AND THEIR USE TO OLIGOMERIZE OR POLYMERIZE OLEFINS<br/>[FR] COMPOSÉS PHOSPHINYL FORMAMIDINE, COMPLEXES MÉTALLIQUES, SYSTÈMES DE CATALYSEUR, ET LEUR UTILISATION POUR OLIGOMÉRISER OU POLYMÉRISER DES OLÉFINES
申请人:CHEVRON PHILLIPS CHEMICAL CO
公开号:WO2015094207A1
公开(公告)日:2015-06-25
N2-phosphinyl formamidine compounds and N2-phosphinyl formamidine metal salt complexes are described. Methods for making N2-phosphinyl formamidine compounds and N2-phosphinyl formamidine metal salt complexes are also disclosed. Catalyst systems utilizing the N2-phosphinyl formamidine metal salt complexes are also disclosed along with the use of the N2-phosphinyl amidine compounds and N2- phosphinyl amidinate metal salt complexes for the oligomerization and/or polymerization of olefins.
Novel Materials for Organic Electroluminescent Devices
申请人:Vestweber Horst
公开号:US20080220285A1
公开(公告)日:2008-09-11
The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer.
本发明涉及利用式(1)化合物作为发光层杂质,改善有机电致发光装置,特别是蓝色发射装置。
NOVEL MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
申请人:Parham Amir Hossain
公开号:US20120126180A1
公开(公告)日:2012-05-24
The present invention relates to substituted benz[a]anthracene derivatives, to the preparation and use thereof in organic electroluminescent devices, and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as matrix material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.
A process for extracting metal values especially zinc values from aqueous solutions of metal salts which comprises contacting the aqueous solution with an organic phase comprising a compound of the formula: ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4, independently, represents a substituted hydrocarbyl or hydrocarbyloxy group or R.sup.1 and R.sup.2 together with the attached phosphorus atom and/or R.sup.3 and R.sup.4 together with the attached phosphorus atom form a 5- to 8-membered heterocyclic ring.
Process for extracting metal values from aqueous solution
申请人:Zeneca Limited
公开号:US05433855A1
公开(公告)日:1995-07-18
A process for extracting metal values especially zinc values from aqueous solutions of metal salts which comprises contacting the aqueous solution with an organic phase comprising a compound of the formula: ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4, independently, represents an optionally substituted hydrocarbyl or hydrocarbyloxy group or R.sup.1 and R.sup.2 together with the attached phosphorus atom and/or R.sup.3 and R.sup.4 together with the attached phosphorus atom form a 5- to 8-membered heterocyclic ring.