Filter-paper insert for preparing filtered coffee, and method for producing said filter-paper insert

Abstract

A filter-paper insert ( 1 ) for preparing filtered coffee wherein, to alter the flavor of filtered coffee, the filter-paper insert ( 1 ) is provided with a coating ( 3 ) comprising a flavoring agent that forms a flavoring carrier, as well as a carrier material and a solvent. A coating ( 3 ) of this type can be sprayed or imprinted onto the filter-paper of the filter-paper insert ( 1 ), or otherwise applied to it, and dries relatively quickly following the application. Despite this, the flavoring agents are incorporated into the coating ( 3 ), and are reactivated when the hot brewing water flows through the filter-paper insert ( 1 ) for preparing filtered coffee.

What is claimed is:  
     
         1 . A filter-paper insert for preparing filtered coffee, and provided with a flavoring carrier for altering the coffee flavor, said inset comprising a filter-paper insert provided with a coating in which a flavoring carrier is incorporated, with the coating including a flavoring agent that forms the flavoring carrier, as well as a carrier material and a solvent.  
     
     
         2 . The filter-paper insert according to  claim 1 , wherein the carrier material comprises starch.  
     
     
         3 . The filter-paper inside according to  claim 2  wherein the stored is a modified starch.  
     
     
         4 . The filter-paper insert according to  claim 1  wherein the solvent comprises water, alcohol or a mixture of water and alcohol.  
     
     
         5 . The filter-paper insert according to  claim 4  wherein the water is demineralized water.  
     
     
         6 . The filter-paper insert according to  claim 1 , wherein the flavoring agent is a natural or artificial flavoring agent, or one that mimics a natural flavoring agent, or a mixture thereof.  
     
     
         7 . The filter-paper insert according to  claim 6  wherein the casing material comprises starch, and the solvent comprises at least one of water and alcohol.  
     
     
         8 . The filter-paper insert according to  claim 1 , wherein the coating is disposed on the entire surface of the filter-paper insert.  
     
     
         9 . The filter-paper insert according to  claim 1 , wherein the coating is disposed only on certain regions of the filter-paper insert.  
     
     
         10 . The filter-paper insert according to  claim 1  wherein the coating is disposed on the top side, when seen in the flow-through direction of the brewing water, of the filter-paper insert.  
     
     
         11 . The filter-paper insert according to  claim 1  wherein the coating is disposed on the underside, when seen in the flow-through direction of the brewing water, of the filter-paper insert.  
     
     
         12 . The filter-paper insert according to  claim 1 , wherein the coating has a graduated flavoring concentration.  
     
     
         13 . The filter-paper insert according to claims  12 , wherein the flavoring agent the coating because increasing concentrated toward the underside of the filter-paper insert.  
     
     
         14 . A method for producing a filter-paper insert in accordance with  claim 1 , comprising initially producing an emulsion from starch, a solvent and flavoring agents, and then applying the emulsion to one of filter-paper used to produce a filter-paper insert, or to a finished filter-paper insert.  
     
     
         15 . The method according to  claim 16 , wherein the step of forming an emulsion including mixing the flavoring agent with a solvent, stirring the starch into demineralized water, and emulsifying the flavoring agent/solvent mixture with the starch/water mixture.  
     
     
         16 . The method according to  claim 13 , wherein the emulsion contains the following components: 
 natural or artificial flavoring agents, or those that mimic natural flavoring agents, or a mixture thereof;    propane-1, 2-diol;    demineralized water; and    modified starch with emulsifying and encapsulating properties.    
     
     
         17 . The method according to  claim 16 , wherein the starch is E1450.  
     
     
         18 . The method according to  claim 14 , wherein the emulsion is sprayed onto a finished filter-paper insert.  
     
     
         19 . The method according to  claim 14 , wherein the emulsion is imprinted onto a finished filter-paper insert.  
     
     
         20 . The method according to  claim 14 , wherein the coating is applied to the filter-paper insert with a graduated flavoring concentration.  
     
     
         21 . The method according to  claim 20 , wherein the flavoring becomes increasingly concentrated toward the underside of the filter-paper insert.  
     
     
         22 . The method according to  claim 16 , wherein the coating is applied to certain regions of the filter-paper insert, and the regions that are not coated are moistened with water during the coating process.  
     
     
         24 . The method according to  claim 16 , wherein the flavoring agent used to form the emulsion is in liquid form.  
     
     
         25 . The method according to  claim 16 , wherein the flavoring agent used to form the emulsion is in powdered form.