IP Library Granted Patent US 10,617,162
Granted Patent B2
US 10,617,162 · App. 15/730,355 · Granted Apr 14, 2020

Gown with moisture contact indicator

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Quick Facts
Patent No.
US 10,617,162
App. No.
15/730,355
Granted
Apr 14, 2020
Kind
B2
Abstract

A gown ( 100 ) includes a body covering ( 101 ) disposed between a first sleeve ( 102 ) and a second sleeve ( 103 ). The body covering portion includes a first layer ( 106 ) coupled to a second layer ( 107 ) by an adhesive ( 108 ) comprising a unactivated colorant, such as an unactivated dye ( 109 ). The unactivated colorant transitions to an activated colorant ( 201 ) when wet, and the second layer absorbs the activated colorant.

Claims (29)

1. A gown, comprising:

a body covering comprising a first layer of material bonded to a second layer of material by adhesive bonding with an adhesive;

wherein:

the adhesive comprises a moisture indicator;

the moisture indicator comprises an unactivated dye that transitions to an activated dye upon contacting a liquid; and

the second layer of material absorbs the activated dye from the adhesive upon the adhesive contacting the liquid.

2. The gown of claim 1 , wherein the first layer of material is liquid impervious.

3. The gown of claim 2 , wherein the second layer of material is hydrophilic.

4. The gown of claim 2 , wherein the second layer of material comprises a hydrophilic surfactant.

5. The gown of claim 1 , wherein the the unactivated dye and the adhesive have a different predefined appearance color.

6. The gown of claim 5 , wherein the unactivated dye is darker in color than the adhesive.

7. The gown of claim 1 , the second layer of material dispersing the activated dye in the second layer of material.

8. The gown of claim 6 , wherein the activated dye is a predefined visible color.

9. The gown of claim 8 , wherein the predefined visible color is different from another predefined color of the second layer of material.

10. The gown of claim 9 , wherein the predefined visible color is red.

11. The gown of claim 10 , wherein the unactivated dye comprises dry raspberry extract.

12. The gown of claim 6 , wherein the first layer of material comprises a polyethylene film.

13. The gown of claim 12 , wherein the second layer of material comprises a polypropylene fabric.

14. The gown of claim 13 , wherein the first layer of material is bonded to the second layer by the adhesive, wherein the adhesive comprises a solvent-based adhesive.

15. A gown, comprising:

a body covering disposed between a first sleeve and a second sleeve;

the body covering comprising a first layer coupled to a second layer by an adhesive comprising an unactivated colorant;

the unactivated colorant transitioning to an activated colorant when wet; and

the second layer absorbing the activated colorant.

16. The gown of claim 15 , the second layer obscuring visibility of the unactivated colorant.

17. The gown of claim 16 , wherein the activated colorant and the second layer have different colors.

18. The gown of claim 17 , wherein the second layer is white and the activated colorant is red.

19. The gown of claim 17 , wherein the first layer comprises a polyethylene film and the second layer comprises a polypropylene fabric.

20. The gown of claim 19 , wherein the polypropylene fabric is coated with a surfactant.

Assignments (6)
PATENT SECURITY AGREEMENT Recorded May 28, 2026
From: MEDLINE INDUSTRIES, LP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 075643/0462 →
PATENT SECURITY AGREEMENT Recorded Jun 20, 2025
From: MEDLINE INDUSTRIES, LP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 071672/0100 →
CONVERSION OF ENTITY FROM CORPORATION TO LIMITED PARTNERSHIP Recorded Oct 31, 2021
From: MEDLINE INDUSTRIES, INC.
To: MEDLINE INDUSTRIES, LP
Reel/Frame 057977/0567 →
SECURITY INTEREST Recorded Oct 21, 2021
From: MEDLINE INDUSTRIES, LP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057927/0091 →
SECURITY INTEREST Recorded Oct 21, 2021
From: MEDLINE INDUSTRIES, LP
To: BANK OF AMERICA, N.A.
Reel/Frame 058040/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 13, 2017
From: GENENDER, ALAN; PUTNAM, AUDREY; YAO, MIN
To: MEDLINE INDUSTRIES, INC
Reel/Frame 044112/0942 →