CAS: 126505-35-9; 2,9-Bis(2,4,6-Tritert-Butylphenoxy)-1,3,8,10-Tetraoxa-2,9-Diphosphaspiro[5.5]Undecane

专利信息

专利号:EP-1633799-B1
优先权日:2003-06-03
标 题 :Production of polyether alcohols by using dmc catalysis
发明人：OSTROWSKI THOMAS; RUPPEL RAIMUND; BAUM EVA; HARRE KATHRIN
权利人:BASF SE
摘要:The present invention relates to polyetherols are prepared by a process comprising the reaction of at least one alkylene oxide with at least one initiator compound in the presence of at least one double metal cyanide compound to give a polyetherol and the treatment of the resulting polyetherol with steam or with an inert gas and steam, and the polyetherols obtainable by such a process as well as the use thereof for the synthesis of polyurethanes.

专利号:US-6417363-B1
优先权日:1997-12-04
标题 :Heterocyclyl ligand containing ruthenium and osmium catalysts
发明人：VAN DER SCHAAF PAUL ADRIAAN; MUEHLEBACH ANDREAS; HAFNER ANDREAS; KOLLY ROMAN
权利人:CIBA SC HOLDING AG
摘要:Penta- and hexa-coordinated, bridged ruthenium and osmium catalysts of the formulawherein Me is ruthenium or osmium; L1 and L2 are neutral ligands having electron donor properties;X is an anionic ligand; Y is oxygen or sulphur; A is a direct bond, C1-C4alkylene or C2-C4alkylidene;Z is a direct bond, oxygen, sulphur or the groupswherein R1 and R2 are hydrogen or hydrocarbon radicals; their preparation and their us in the synthesis of polymers, in the ring-closure metathesis of diolefins, in the cross metathesis of olefins and in the isomerisation of olefins are disclosed.

专利号:CN-115073264-A
优先权日:2022-08-23
标题 :A kind of pretreatment method and application of methylpyran solution in leaf alcohol synthesis reaction

专利号:RU-2130931-C1
优先权日:1992-09-23
标 题 :Derivatives of benzofuran-2-ones, stabilized composition, method of stabilization, derivatives of mandelic acid and method of their synthesis

专利号:WO-2005090440-A1
优先权日:2004-03-18
标题:Polyether alcohols and method for the production of polyether alcohols for polyurethane synthesis

专利号:DE-102004013408-A1
优先权日:2004-03-18
标 题:Polyether alcohols and process for the preparation of polyether alcohols for polyurethane synthesis