| Patent application number | Description | Published |
|---|
| 20080234459 | Process for Preparing Polyoxymethtylene Homopolymers or Copolymers - A process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane or additionally of suitable comonomers, in which
| 09-25-2008 |
| 20080255376 | Method For the Production of Dioxolane - Processes comprising: providing a reactive distillation column having an upper region, a middle region and a lower region; feeding ethylene glycol and an aqueous formaldehyde solution into the reactive distillation column in the middle region of the reactive distillation column; reacting the ethylene glycol and the aqueous formaldehyde solution in the reactive distillation column in the presence of a catalyst to form dioxolane; removing a product stream comprising dioxolane in an amount of at least 75% by weight from the upper region of the reactive distillation column; and removing a bottom stream comprising one or more components having boiling points higher than dioxolane from the lower region of the reactive distillation column. | 10-16-2008 |
| 20080281109 | Integrated Method For the Production of Trioxane From Formaldehyde - The invention relates to an integrated process for preparing trioxane from formaldehyde in which, in a first step, a stream A | 11-13-2008 |
| 20080283384 | Process for Producing Trioxane and at Least One Comonomer - The invention relates to a process for preparing trioxane and at least one comonomer for preparing (co)polymers based on trioxane, in which, in a first step, formaldehyde the at least one comonomer reactant are reacted in aqueous solution to give trioxane and comonomer, to obtain a reaction mixture A | 11-20-2008 |
| 20090187033 | INTEGRATED METHOD FOR THE PREPARATION OF TRIOXANE FROM FORMALDEHYDE - An integrated process for preparing trioxane from formaldehyde, comprising the steps of:
| 07-23-2009 |
| 20100121081 | METHOD FOR SEPARATING TRIOXANE FROM A TRIOXANE/FORMALDEHYDE/WATER MIXTURE BY MEANS OF PRESSURE CHANGE RECTIFICATION - A process for removing trioxane from a use stream I of formaldehyde, trioxane and water, by
| 05-13-2010 |
| 20100130756 | METHOD FOR PRODUCING TRIOXANE FROM TRIOXYMETHYLENE GLYCOL DIMETHYL ETHER - A process for preparing trioxane from trioxymethylene glycol dimethyl ether (POMDME | 05-27-2010 |
| 20100145079 | METHOD FOR PRODUCING CYCLIC FORMALDEHYDE DERIVATIVES FROM POLYOXY DIALKYL ETHERS - A process for preparing trioxane from trioxymethylene glycol dimethyl ether (POMDME | 06-10-2010 |
| 20100152466 | INTEGRATED METHOD FOR PRODUCING TRIOXANE FROM FORMALDEHYDE - The invention relates to an integrated process for preparing trioxane from formaldehyde in which a stream A | 06-17-2010 |
| 20100270140 | METHOD FOR SEPARATING TIOXANE FROM A TRIOXANE/FORMALDEHYDE/WATER MIXTURE BY MEANS OF PRESSURE CHANGE RECTIFICATION - A process for separating trioxane from a feed stream I comprising formaldehyde, trioxane and water, in which
| 10-28-2010 |
| 20100280195 | PROCESS FOR PREPARING POLYOXYMETHYLENE HOMOPOLYMERS OR COPOLYMERS BY HOMOPOLYMERIZATION OR COPOLYMERIZATION OF TRIOXANE, STARTING FROM METHANOL - A process for preparing polyoxymethylene homopolymers or copolymers ( | 11-04-2010 |
| 20100324311 | METHOD FOR THE PRODUCTION OF CRUDE TRIOXANE - A process for preparing crude trioxane ( | 12-23-2010 |
