Mineral Composite Beverage Brewing Cup and Cartridge
First Claim
1. A single use processing cup for brewing beverages comprising:
- a unitary molded multilayer thermoplastic polymeric cup defined by a continuous sidewall portion integral with a bottom portion and having an interior surface layer, an exterior surface layer and at least one intermediate layer, said cup having a top opening defined by a continuous perimeter flange integral with an upper edge portion of said continuous sidewall and located distally from said bottom portion;
wherein said cup is formed from polymeric materials having from 3 to 50% by weight of calcium carbonate incorporated therein based upon the weight of the cup.
2 Assignments
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Accused Products
Abstract
A beverage filter cartridge having a cup, a filter, a lid and at least one beverage ingredient is provided where the cup and lid are sealed together to form an interior chamber which is separated into a first and second compartments by the filter, which is preferably basket or cone shaped, and a beverage ingredient such as coffee is contained inside first compartment, and at least one of the cup, lid and filter contains calcium carbonate in an amount effective to either improve the ability of beverage makers to pierce the cup or to provide a means for the cartridge to absorb CO2 emitted by the ingredient thereby reducing the hold time to packing and reducing the number of defective cartridges.
240 Citations
33 Claims
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1. A single use processing cup for brewing beverages comprising:
a unitary molded multilayer thermoplastic polymeric cup defined by a continuous sidewall portion integral with a bottom portion and having an interior surface layer, an exterior surface layer and at least one intermediate layer, said cup having a top opening defined by a continuous perimeter flange integral with an upper edge portion of said continuous sidewall and located distally from said bottom portion;
wherein said cup is formed from polymeric materials having from 3 to 50% by weight of calcium carbonate incorporated therein based upon the weight of the cup.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A beverage filter cartridge comprising:
- a cup, a filter, a lid and at least one beverage ingredient, wherein said cup and lid are sealed together to form an interior chamber which is separated into a first compartment and a second compartment by said filter, said ingredient is contained within said first compartment, and wherein at least one of said cup, lid and filter contains calcium carbonate.
- View Dependent Claims (33)
Specification