| Patent application number | Description | Published |
|---|
| 20090292147 | PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER ALCOHOLS - The invention relates to a process for the continuous preparation of polyether alcohols by reacting H-functional initiators with alkylene oxides using basic catalysts, wherein at least one initiator is metered with at least one alkylene oxide continuously into a back-mixing reactor and the reaction product is removed continuously from the back-mixing reactor. | 11-26-2009 |
| 20100015676 | METHOD FOR PRODUCING POLYESTEROLS - The invention relates to a process for preparing polyesterols from at least one base polyesterol and at least one further reagent, wherein
| 01-21-2010 |
| 20100162490 | METHOD FOR THE PRODUCTION OF LEATHER, COPOLYMERS THAT ARE SUITABLE THEREFOR, AND FURTHER USES THEREOF - Process for the production of leather, wherein pelts, pickled pelts or semifinished products are treated with at least one copolymer (A) which is obtainable by copolymerization of the following comonomers:
| 07-01-2010 |
| 20100192307 | METHOD FOR THE PRODUCTION OF AQUEOUS FORMULATIONS, AQUEOUS FORMULATIONS, AND THE USE THEREOF - Process for the preparation of aqueous formulations, aqueous formulations and their use | 08-05-2010 |
| 20100199439 | METHOD FOR THE PRODUCTION OF AQUEOUS FORMULATIONS, AQUEOUS FORMULATIONS, AND THE USE THEREOF - Process for the preparation of aqueous formulations, wherein
| 08-12-2010 |
| 20100266759 | CO-CROSSLINKER CONTAINING CARBAMATE GROUPS - The present invention relates to powder coatings which comprise tricarbamoyltriazines modified with carbamate groups. | 10-21-2010 |
| 20110245366 | PROCESS FOR PREPARING POLYESTER ALCOHOLS AND USE THEREOF FOR PREPARATION OF POLYURETHANES - The invention relates to a process for preparing polyester alcohols by catalytically reacting at least one at least difunctional carboxylic acid or a derivative thereof with at least one at least difunctional alcohol, which comprises performing at least part of the reaction in the presence of microwave radiation. | 10-06-2011 |
| 20120059142 | PREPARING POLYESTER ALCOHOLS - A process for preparing polyester alcohols by condensation of polytetrahydrofuran with aromatic dicarboxylic acids and/or their anhydrides and/or their esters, preferably isophthalic acid, phthalic acid and terephthalic acid and more preferably isophthalic acid, in the presence of a transesterification catalyst in a multi-stage operation at different pressure levels with at least one reaction stage at atmospheric pressure and at least one reaction stage at reduced pressure, where distillate is removed from the reaction system, comprises deactivating the catalyst after the polycondensation by using phosphoric acid in a molar ratio of 1:1 to 1:3.5 for catalyst to phosphoric acid. | 03-08-2012 |
| 20120059143 | PREPARING POLYESTER ALCOHOLS - The subject of the present invention is a process for preparing polyester alcohols by condensation of polytetrahydrofuran with aromatic dicarboxylic acids and/or their anhydrides in the presence of a transesterification catalyst in a multi-stage operation at different pressure levels with at least one reaction stage at atmospheric pressure and at least one reaction stage at reduced pressure, where distillate is removed from the reaction system, which process comprises heating the reaction mixture in two or more phases in the atmospheric-pressure reaction stage wherein the heating phases are interrupted by at least one phase in which the temperature is kept constant. | 03-08-2012 |
| 20120149862 | PROCESS FOR PREPARING POLYESTER ALCOHOLS - The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst. | 06-14-2012 |
| 20120227188 | METHOD FOR THE PRODUCTION OF LEATHER, COPOLYMERS THAT ARE SUITABLE THEREFOR, AND FURTHER USES THEREOF - Process for the production of leather, wherein pelts, pickled pelts or semifinished products are treated with at least one copolymer (A) which is obtainable by copolymerization of the following comonomers:
| 09-13-2012 |
