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Patent Alerts - August 1999

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Method for preparing and filling ofoxygen-enriched or oxygen containing gas enriched liquids and beverage prepared by such amethod

Author: Kramer und Co.(Kock H.H., Kramer H.K.)
Patent Type: European Patent Application 0 900 761  De:de  Priority data: (Austria) (4.9.97) and (European Patent Office) (31.10.97)  Filing date: 17.2.98   See published patent document for DesignatedContracting States.  (saan: 498330)

Abstract: Consumption ofbeverages enriched with oxygen, or oxygen mixed with another gas such as carbon dioxide,is claimed to benefit the immune system.  High levels of oxygen can be incorporatedinto a beverage under high pressure, but most of it is lost if the beverage is thenpackaged in a container.  A commercially viable method of filling containers such ascans and bottles with beverage containing high levels of oxygen is disclosed.  Thecontainers are prefilled with oxygen under pressure.  The oxygen-enriched liquid isthen introduced under a higher pressure.  This procedure leaves an oxygen cap betweenthe level of the liquid and the rim of the container, which prevents escape of oxygen fromthe liquid.  Apparatus for performing this process is also disclosed.


Beverage with reduction oflingering sweet aftertaste of sucralose

Author: PepsiCo Inc. (Shamil S.H.)
Patent Type: United States Patent  5 902 628  En:en Filing date: 14.11.96   (saan: 498180)

Abstract: The use oftannic acid compounds is disclosed to reduce the aftertaste of the intense sweetenersucralose in sugar-free beverages, particularly cola beverages.  The tannic acidcompounds are selected from gallotannins with a molecular weight of 200 to 1,900. These compounds are available from OmniChem Products.  The invention may beused with mixtures of artificial sweeteners that include sucralose.


Agent for producing and/orprocessing alcoholic beverages, in particular wine or sparkling wine, and use of saidagent

Author: Institut furMikrotechnik Mainz GmbH  (Lowe H., Pommersheim R.)
Patent Type: PCT Patent Application  WO 99/06527  De:de:en  Priority data: (Germany) (31.7.97)  Filing date: 29.7.98   Seepublished patent document for Designated Contracting States.   (saan: 496220)

Abstract: The inventionrelates to microcapsules in which yeasts, bacteria and enzymes can be immobilized for usein the production of alcoholic beverages, especially wine and sparkling wine.  Thecapsules are designed so that microorganisms added during the processing of wine, etc.,can be completely removed after use. Each capsule has an enveloping membrane thatcompletely encloses the interior of the capsule. The membrane comprises at least tworadially superimposed layers, each fully enclosing the layer(s) below, which enables thetransparency and mechanical stability of the membrane to be adjusted.  The content ofthe microcapsules can be liquefied.


Coffee extraction process

Author: Nestec SA(Gerhard-Rieben E., Lebet C.R., Leloup V., Schlecht K.)
Patent Type: United States Patent  5 897 903  En:en Priority data: (European Patent Office) (26.8.96)   Filing date: 5.8.97  (saan: 496125)

Abstract: An improvedmethod for extracting soluble solids from coffee are described. This is achieved by usinga three-stage counter-current extraction process. The first extraction uses a liquid witha temperature between 80 and 160 C; the second extraction takes place at a temperaturebetween 160 and 190 C. The third extraction takes place after the coffee grounds have beenhydrolysed. The hydrolysed coffee extract can be collected or used as the first or secondextraction liquid. This process gives an extract with a good flavour and yield that can bespray- or freeze-dried.


Plastic package containers havingimproved gas barrier properties

Author: PPG IndustriesInc.  (Niederst K.W.)
Patent Type: PCT Patent Application  WO 99/12820  En:enPriority data: (US) (10.9.97)   Filing date: 12.8.98   See publishedpatent document for Designated Contracting States.  (saan: 496059)

Abstract: The shelf-lifeof perishable foods and carbonated beverages in conventional plastic containers is shorterthan that of similar products stored in metal or glass containers, because of theincreased entry of oxygen and/or carbon dioxide.  This invention relates to plasticcontainers designed to hold oxygen-sensitive products and/or carbonated beverages; inparticular, it concerns plastic food and beverage containers with labels covering over 30%of the package body, and/or plastic closures, the labels and the closures being coatedwith a gas-barrier composition.  The gas-barrier material used in the inventionincludes the reaction product of a polyamine and polyepoxide.


A closure for a can of drink whichcan be opened with one hand

Author: Oy Modux AB (Makinen M.)
Patent Type: PCT Patent Application  WO 99/22997  En:en Priority data: (Finland) (30.10.97)   Filing date: 29.10.98  See published patent document for Designated Contracting States.  (saan:498246)

Abstract: A closure for abeverage can is described.  The one-piece closure may be opened with one hand. The closure has a projection with a peak, and is provided with score lines. The canis opened by pressing against the projection.  This causes the material to tear alongthe score lines.  No supplementary parts, such as rings, tabs or rivets, are neededto allow the closure to be opened.


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