Dispersible packaging for toilet paper moistener product

Patent metadata

Field	Value
Publication number	US-10793813-B2
Application number	US-201715584355-A
Country	US
Kind code	B2
Filing date	May 2, 2017
Priority date	May 6, 2016
Publication date	Oct 6, 2020
Grant date	Oct 6, 2020

Abstract

A water dispersible pouch for moistening a tissue includes a film that encloses a cavity, the film having a body portion and a region of weakness, the region of weakness having a thickness that is less than a thickness of body portion; and a substantially waterless wetting composition disposed within the cavity; wherein the water dispersible pouch has a rupture strength at the region of weakness of less than 10 pounds per square inch (psi).

First claim

What is claimed is:

1. A water dispersible pouch, the water dispersible pouch comprising:
a film that encloses a cavity, the film having a body portion and a region of weakness, the region of weakness having a thickness that is less than a thickness of the body portion and a rupture strength of less than 10 pounds per square inch (psi); and
a substantially waterless wetting composition disposed within the cavity, the substantially waterless wetting composition consisting of less than 15 weight % (wt. %) water, and an emollient, a lubricant, a humectant, a medicinal agent, a fragrance, or a combination thereof.

2. The water dispersible pouch of claim 1 , wherein the film comprises a water soluble polymer.

3. The water dispersible pouch of claim 1 , wherein the film comprises a polyvinyl alcohol.

4. The water dispersible pouch of claim 1 , wherein the film comprises a partially hydrolyzed polyvinyl alcohol.

5. The water dispersible pouch of claim 1 , wherein the emollient is an oil.

6. The water dispersible pouch of claim 5 , wherein the oil is mineral oil.

7. The water dispersible pouch of claim 1 , wherein the water dispersible pouch is used for moistening a tissue.

8. The water dispersible pouch of claim 7 , wherein the tissue is a bath tissue or a facial tissue.

9. A water dispersible pouch, the water dispersible pouch comprising:
a polyvinyl alcohol film that encloses a cavity, the polyvinyl alcohol film having a body portion and a region of weakness, the region of weakness having a thickness that is less than a thickness of the body portion and a rupture strength of less than 10 pounds per square inch (psi); and
a substantially waterless wetting composition consisting of an oil and less than 15 weight % (wt. %) water disposed within the cavity.

10. The water dispersible pouch of claim 9 , wherein the rupture strength is less than 5 pounds per square inch (psi).

11. The water dispersible pouch of claim 9 , wherein the rupture strength is less than 2 psi.

12. The water dispersible pouch of claim 9 , wherein the water dispersible pouch comprises the substantially waterless wetting composition in an amount in a range from about 2 to about 25 milliliters (mL).

13. The water dispersible pouch of claim 9 , wherein the polyvinyl alcohol film comprises a polyvinyl alcohol copolymer.

14. The water dispersible pouch of claim 9 , wherein the thickness of the region of weakness is about 25 to about 80% of the thickness of the body portion.

15. A method of making a water dispersible pouch, the method comprising:
shaping a sheet of film to form a body portion that encloses a cavity comprising a substantially waterless wetting composition, the film having a region of weakness that is less than a thickness of the body portion and a rupture strength of less than 10 pounds per square inch (psi), and the substantially waterless wetting composition consisting of less than 15 weight % (wt. %) water, and an emollient, a lubricant, a humectant, a medicinal agent, a fragrance, or a combination thereof.

16. The method of claim 15 , wherein shaping the sheet of film to form the body portion comprises placing the sheet of film into a mold, disposing the substantially waterless wetting composition into the sheet within the mold, and sealing the sheet to form the body portion that encloses the cavity.

17. The method of claim 16 , wherein the sheet is folded onto itself to seal the film to form the body portion.

18. The method of claim 16 , wherein another sheet of film is disposed on the sheet of film in the mold to seal the sheet of film and form the body portion.

19. The method of claim 15 , further comprising cutting the sheet of film after shaping the sheet of film to form the water dispersible pouch.

20. The method of claim 15 , wherein the water dispersible pouch is used for moistening a tissue.

21. The method of claim 20 , wherein the tissue is a bath tissue or facial tissue.

22. The method of claim 15 , further comprising sealing edges of the film after shaping the sheet of film to form the body portion.

23. The method of claim 15 , further comprising forming the region of weakness in the film before shaping the sheet of film.

24. The method of claim 15 , wherein the region of weakness is a score line.

Assignees

• Gpcp Ip Holdings Llc

Inventors

• Stafford Iii Thomas I
• Lemke Sarah Anne

Classifications

• A47K7/00 Primary

  Body washing or cleaning implements · CPC title

• B65D65/46

  Applications of disintegrable, dissolvable or edible materials · CPC title

• A47K2010/3273

  moistened just before use · CPC title

• C11D17/042 Primary

  Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions · CPC title