Odor control in personal care products

Patent metadata

Field	Value
Publication number	US-2016338884-A1
Application number	US-201415107009-A
Country	US
Kind code	A1
Filing date	Dec 26, 2014
Priority date	Dec 27, 2013
Publication date	Nov 24, 2016
Grant date	—

Abstract

A urine odor control system for personal care products includes a substrate with a formulation of activated carbon and an absorbent core with a formulation of silver. The personal care product includes diapers, training pants, absorbent underpants, adult incontinence products, or feminine hygiene products. The personal care product can include a liquid-permeable bodyside liner, liquid-impermeable outer cover affixed to the bodyside liner, wherein the absorbent core and substrate are disposed between the bodyside liner and the outer cover.

First claim

1 . A personal care product comprising:
an absorbent core covered by a substrate; wherein the absorbent core comprises silver particles, and the substrate comprises activated carbon.

2 . The personal care product of claim 1 , wherein the personal care product is selected from the group consisting of: a diaper, a training pant, an absorbent underpant, an adult incontinence product, and a feminine hygiene product.

3 . The personal care product of claim 1 , wherein the activated carbon is in the form of particles that are less than 100 microns in diameter.

4 . The personal care product of claim 1 , wherein the activated carbon is in an amount of 0.01g to 0.40 g.

5 . The personal care product of claim 1 , wherein the silver particles are not associated with a binder.

6 . The personal care product of claim 1 , wherein the silver particles are nanoparticles.

7 . The personal care product of claim 1 , wherein the silver particles are microparticles in an amount of 0.0001 g to 0.05 g.

8 . The personal care product of claim 1 , wherein the silver particles are microparticles in an amount of 0.001 g to 0.02 g.

9 . The personal care product of claim 1 , further comprising
a bodyside liner; and an outer cover; wherein the absorbent core and the substrate are disposed between the bodyside liner and the outer cover.

10 . The personal care product of claim 1 , wherein the substrate is tissue.

11 . The personal care product of claim 1 , wherein the substrate is directly adjacent to the absorbent core.

12 . The personal care product of claim 1 , wherein the substrate completely covers a body-facing surface of the absorbent core.

13 . The personal care product of claim 1 , further comprising a surge member disposed between the substrate and the absorbent core.

14 . A method of reducing urine odor in a personal care product to a level below human detection, the method comprising the steps of:
disposing a substrate comprising activated carbon onto an absorbent core comprising silver particles; and disposing the substrate and absorbent core between an outer cover and a bodyside liner.

15 . The method of claim 14 , wherein the silver particles do not migrate through the substrate.

16 . The method of claim 14 , wherein the silver particles are uniformly dispersed throughout the absorbent core.

17 . The method of claim 14 , wherein the absorbent core has a body-facing surface, a garment-facing surface, and longitudinal sides, and wherein the substrate is disposed onto the absorbent core by wrapping it around the body-facing surface and longitudinal sides.

18 . The method of claim 14 , wherein the absorbent core has a body-facing surface, a garment-facing surface, and longitudinal sides, and wherein the substrate is a strip that is disposed onto the garment-facing surface of the absorbent core.

19 . The method of claim 14 , wherein the absorbent core has a body-facing surface, a garment-facing surface, and longitudinal sides, and wherein the substrate is a strip that is disposed onto the body-facing surface of the absorbent core.

20 . The personal care product of claim 1 , wherein the substrate does not include silver particles.

Assignees

• Kimberly Clark Co

Inventors

• Quincy Roger Bradshaw
• Macdonald John Gavin
• Spencer Anthony Stephen

Classifications

• A61F13/534

  having an inhomogeneous composition through the thickness of the pad (A61F13/538, A61F13/539 take precedence) · CPC title

• A61L2300/104

  Silver, e.g. silver sulfadiazine · CPC title

• A61F13/8405 Primary

  Additives, e.g. for odour, disinfectant or pH control · CPC title

• A61F13/496

  in the form of pants or briefs · CPC title

• A61F2013/8408

  with odour control · CPC title