# US 8,771,770 B1 · Long life dough package

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- Number: US 8,771,770 B1
- Document ID: US8771770B1
- Status: Granted
- Kind: B1
- Application number: 13/743,640
- Filed: 2013-01-17
- Published: 2014-07-17
- Granted: 2014-07-08
- Earliest claimed: 2013-01-17
- Assignees: Multisorb Technologies, Inc.
- Applicants: Multisorb Technologies, Inc.
- Inventors: John W. Crump
- Web page: https://patentgrep.com/patent/US8771770B1

## CPC

- B65D 81/268: {the absorber being enclosed in a small pack, e.g. bag, included in the package}
- B01J 20/045: {containing sulfur, e.g. sulfates, thiosulfates, gypsum}
- B01J 20/2803: {Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products}
- B01J 20/2805: {Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane}
- B01J 20/3204: {Inorganic carriers, supports or substrates}
- B01J 20/3208: {Polymeric carriers, supports or substrates}
- B01J 20/3236: {containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts}
- B65D 81/28: Applications of food preservatives, fungicides, pesticides or animal repellants
- B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS

## Abstract

This invention relates to a packaging material for unbaked dough products which includes a container that is impermeable to water vapor transmission, a relative humidity control device in the container, dough, and a water permeable sheet forming a cover for the container wherein the relative humidity control device includes a water vapor permeable container containing a solidified humectant composition which further includes a humectant salt, water and carrier.

## Claims

### Claim 1

A package for a dough product comprising:
an outer container that is impermeable to water vapor and having an opening;
a relative humidity control device that includes a water vapor permeable inner container containing a solidified humectant composition comprising a humectant salt, water and a carrier disposed in the outer container;
a dough product in the outer container; and
a water vapor permeable cover closing the opening in the outer container.

### Claim 2 (depends on 1)

The package of claim 1, wherein the humectant salt comprises potassium sulfate.

### Claim 3 (depends on 1)

The package of claim 1, wherein when the relative humidity in the package is maintained at between 90 and 99%.

### Claim 4 (depends on 1)

The package of claim 1, wherein the water vapor permeable cover comprises a transparent or translucent sheet.

### Claim 5 (depends on 1)

The package of claim 1, wherein the cover comprises an acetate sheet.

### Claim 6 (depends on 1)

The package of claim 1, wherein the container comprises polyvinyl chloride polymer or polycarbonate polymer.

### Claim 7 (depends on 1)

The package of claim 1, wherein the cover has a water permeability of between 2 and 20 gm/100 sq. in./24 hours.

### Claim 8 (depends on 1)

The package of claim 1, wherein the relative humidity control device comprises at least one of a biocide and a fungicide.

### Claim 9 (depends on 1)

The package of claim 1 wherein the relative humidity control device comprises at 95% humidity has a solid portion of humectant salt and has a liquid portion of the humectant salt in water.

### Claim 10 (depends on 2)

The package of claim 2, wherein the dough product comprises wonton wrappers.

### Claim 11 (depends on 1)

The package of claim 1 wherein the relative humidity control device has a water activity of between 0.93 and 0.98.