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Browse by Category: Main > Chemistry
Class Information
Number: 502/175
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Inorganic carbon containing > Cyanide
Description: Composition in which the carbon is bound to nitrogen by a triple bond.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8680002 Double metal cyanide catalyst having a controlled reactivity for preparing a polyol and preparation thereof Mar. 25, 2014
7811958 Method for producing an DMC catalyst Oct. 12, 2010
7772330 Process for the preparation of polyether polyols Aug. 10, 2010
7754643 Transesterification catalyst and a process for the preparation thereof Jul. 13, 2010
7678729 Process for the preparation of polyether polyols Mar. 16, 2010
7645717 Nano-scale DMC catalyst particles Jan. 12, 2010
7553921 Polyether polyol composition and use thereof Jun. 30, 2009
7241926 Method for producing polyether alcohols Jul. 10, 2007
7226887 Method for preparing metal cyanide catalysts using polymerizable complexing agents Jun. 5, 2007
7169956 Double metal cyanide complex catalyst, its production process and its utilization Jan. 30, 2007
7112551 Double metal complex catalyst Sep. 26, 2006
7101823 Method for preparing metal cyanide catalyst complexes using partially miscible complexing agents Sep. 5, 2006
7060647 Double metal complex catalyst Jun. 13, 2006
7022641 Method for preparing metal cyanide catalysts using insoluble metal salts Apr. 4, 2006
7008900 Double metal cyanide catalysts for producing polyether polyols Mar. 7, 2006
6977236 Preparation of a double metal cyanide catalyst Dec. 20, 2005
6953765 Double metal cyanide catalysts for preparing polyether polyols Oct. 11, 2005
6921737 Method of synthesizing a double metal cyanide catalyst Jul. 26, 2005
6919293 Double metal cyanide catalysts for producing polyether polyols Jul. 19, 2005
6900156 Method for preparing metal cyanide catalysts using zero valent metals May. 31, 2005
6884751 Production of hydrocyanation catalysts Apr. 26, 2005
6878661 Bimetallic-cyanide catalysts used for preparing polyether polyols Apr. 12, 2005
6869905 Synthesis of double metal cyanides with non-aqueous solutions Mar. 22, 2005
6867162 Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto Mar. 15, 2005
6855658 Hydroxide containing double metal cyanide (DMC) catalysts Feb. 15, 2005
6852663 Double-metal cyanide catalysts for preparing polyether polyols Feb. 8, 2005
6852664 Double metal cyanide catalysts for the preparation of polyether polyols Feb. 8, 2005
6835801 Activated starter mixtures and the processes related thereto Dec. 28, 2004
6835687 Method for producing double metal cyanide (DMC) catalysts Dec. 28, 2004
6833431 Double-metal cyanide catalysts for preparing polyether polyols Dec. 21, 2004
6818587 Double-metal cyanide catalysts for preparing polyether polyols Nov. 16, 2004
6806348 Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol Oct. 19, 2004
6806393 Multimetal cyanide compounds, their preparation and their use Oct. 19, 2004
6800583 Suspension of multimetal cyanide compounds, their preparation and their use Oct. 5, 2004
6797665 Double-metal cyanide catalysts for preparing polyether polyols Sep. 28, 2004
6780813 Process for producing DMC catalysts Aug. 24, 2004
6764978 Multimetal cyanide compounds Jul. 20, 2004
6716788 Preparation of a double metal cyanide catalyst Apr. 6, 2004
6699961 DMC complex catalyst and process for its preparation Mar. 2, 2004
6696383 Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto Feb. 24, 2004
6689710 Method for producing multimetal cyanide compounds Feb. 10, 2004
6642171 Double metal cyanide catalysts containing polyglycol ether complexing agents Nov. 4, 2003
6627575 Double metal cyanide complex catalyst for producing polyol Sep. 30, 2003
6627576 Double metal cyanide complex catalyst for ring opening polymerization of alkylene oxide and its production process Sep. 30, 2003
6624286 Double-metal cyanide catalysts containing polyester for preparing polyether polyols Sep. 23, 2003
6613714 Multimetal cyanide compounds, their preparation and their use Sep. 2, 2003
6608231 Double-metal cyanide catalysts for producing polyether polyols Aug. 19, 2003
6593268 One-step synthesis of double metal cyanides Jul. 15, 2003
6586566 Double metal cyanide catalysts for producing polyether polyols Jul. 1, 2003
6586564 Double-metal cyanide catalysts for preparing polyether polyols Jul. 1, 2003

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