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Achim Löffler, Speyer DE

Achim Löffler, Speyer DE

Patent application numberDescriptionPublished
20090203874METHOD FOR PRODUCING POLYETHER POLYOLS - A process for preparing polyether polyols by reaction of the following starting materials: 08-13-2009
20100152399COPOLYMERS AS SCALE INHIBITORS - The present invention relates to copolymers which are obtainable from the free radical copolymerization of at least (a) a monoethylenically unsaturated carboxylic acid having 3 to 6 carbon atoms or the anhydride thereof with (b) a reaction mixture comprising a component of the general structural formula06-17-2010
20110224396PROCESS FOR PREPARING POLYETHER POLYOLS - The present invention relates to a process for the catalytic preparation of polyetherols, wherein the power input by means of at least one stirrer and/or by means of at least one pump, based on the reactor volume, is in the range from 0.001 to 8.2 kW/m09-15-2011
20110224397PROCESS FOR PREPARING POLYOLS USING BASE CATALYSIS - The present invention relates to a process for preparing polyetherols in the presence of basic catalysts, wherein propylene oxide (PO) and/or ethylene oxide (EO) whose summated contents 09-15-2011
20110269863POLYETHER POLYOLS, PROCESS FOR PREPARING POLYETHER POLYOLS AND THEIR USE FOR PRODUCING POLYURETHANES - The present invention relates to a process for preparing polyether polyols, in which at least one hydroxyl-comprising fatty acid ester and/or at least one hydroxyl-modified fatty acid ester is reacted with the aid of a double metal cyanide catalyst in at least two process sections with in each case a mixture of ethylene oxide and at least one further alkylene oxide different from ethylene oxide.11-03-2011
20110282027PROCESS FOR PRODUCING POLYETHEROLS - The present invention relates to processes for producing polyetherols, in particular to polyetherol block structures, to novel catalysts for use in said processes, and to the polyetherols that can be produced via the process of the invention. The present invention further relates to the use, for producing polyurethanes, of the polyetherols that can be produced in the invention.11-17-2011
20120035278PREPARING AMINOTRIAZINE ALKOXYLATES - The present invention relates to a process for preparing aminotriazine alkoxylates, which comprises at least one aminotriazine alkoxylate (a) being admixed with at least one aminotriazine (b) and reacted with at least one alkylene oxide (c), wherein the aminotriazine alkoxylate (a) is obtainable by reacting at least one aminotriazine (d) with at least one alkylene oxide (e) and/or at least one alkylene carbonate (g), and optionally at least one aminotriazine alkoxylate (f).02-09-2012
20120116044POLYETHERESTER POLYOLS - The present invention relates to hydrophobic polyetherester polyols, to a process for preparing them, and to the use of the polyetherester polyols of the invention for producing polyurethanes.05-10-2012

Patent applications by Achim Löffler, Speyer DE