IP Library Granted Patent US 11,771,790
Granted Patent B2
US 11,771,790 · App. 17/937,755 · Granted Oct 3, 2023

Pre-saturated disinfecting disposable microfiber wipes

Inventors: Weidong Wu (Charlotte, NC); Brian Smallwood (Huntersville, NC); Dimple Bhesania (Condord, NC); Dan Troutman (Palm Beach Gardens, FL)
Assignee: RUBBERMAID COMMERCIAL PRODUCTS LLC
A61L2/26A61L2/18B08B1/006D05B93/00A61L2101/18D10B2331/04D10B2401/02D10B2401/063D10B2503/00
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,771,790
App. No.
17/937,755
Granted
Oct 3, 2023
Kind
B2
Abstract

A pre-saturated disposable disinfecting wipe may include a microfiber cloth. The microfiber cloth may include a low weight substrate having a first face and an opposed second face, and microfiber yarn attached to the low weight substrate in a plurality of parallel rows of stitches. The pre-saturated disposable disinfecting wipe further includes a disinfecting formulation saturated in the microfiber cloth. The pre-saturated disposable disinfecting wipe may have a single-touch two-minute wetness coverage of more than 100 in 2 . A method of manufacturing a pre-saturated disposable disinfecting wipe may include saturating, with a disinfecting formulation, a microfiber cloth.

Claims (45)

1. A pre-saturated disposable disinfecting wipe, comprising:

a microfiber cloth comprising:

a substrate having a first face and an opposed second face; and

microfiber yarn attached to the substrate in a plurality of parallel rows and stitches; and

a liquid disinfecting formulation saturated in the microfiber cloth,

wherein the microfiber yarn comprises between 100 and 300 filaments, and has a denier of between 50 and 150; and

wherein the pre-saturated disposable disinfecting wipe has a single-touch two-minute wetness coverage of more than 100 in 2 ; and

wherein the pre-saturated disposable disinfecting wipe has an abrasion resistance of more than 10 cycles.

2. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the pre-saturated disposable disinfecting wipe has a single-touch two-minute wetness coverage of more than 300 in 2 .

3. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the pre-saturated disposable disinfecting wipe has a multi-touch two-minute wetness coverage of more than 1000 in 2 .

4. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the liquid disinfecting formulation comprises alcohol, quaternary ammonium chloride (QUAT), quaternary ammonium chloride (QUAT) and alcohol, chlorine bleach, citric acid, peroxygens such as hydrogen peroxide, or peracetic acid.

5. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber yarn is attached to the substrate by sewing microfiber yarn such that the stitches are straight stitches that are substantially flush with the first and second faces of the substrate.

6. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber cloth is attached to the substrate by stitch-bonding the microfiber yarn onto the substrate.

7. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber cloth is formed of a single layer of the substrate and the microfiber yarn.

8. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber cloth has a weight of about 10 g/m 2 to about 150 g/m 2 .

9. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber cloth has a weight of about 45 g/m 2 to about 65 g/m 2 .

10. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber cloth is saturated with the liquid disinfecting formulation in an amount of between 3.5 times and 4.5 times a dry weight of the microfiber cloth.

11. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the pre-saturated disposable disinfecting wipe displays a liquid release percentage of the liquid disinfecting formulation from the microfiber cloth of greater than 90%.

12. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber yarn comprises about 150 microfiber filaments.

13. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the pre-saturated disposable disinfecting wipe has a tensile strength measured in a direction parallel to the stitches greater than 30 pounds.

14. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the pre-saturated disposable disinfecting wipe has a tensile strength measured in a direction perpendicular to the stitches of greater than 10 pounds.

15. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the pre-saturated disposable disinfecting wipe is effective to keep a surface area completely wet for more than 2 minutes after a single application of the wipe to the surface area.

16. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the microfiber yarn has a denier of between 65 and 85.

17. The pre-saturated disposable disinfecting wipe of claim 1 , wherein the substrate comprises a polyester, and wherein the microfiber yarn comprises a polyester.

18. A method of manufacturing a pre-saturated disposable disinfecting wipe, comprising:

providing a substrate having a first face and an opposed second face;

attaching a microfiber yarn to the substrate in a plurality of parallel rows of stitches; and

saturating the microfiber cloth with a liquid disinfecting formulation,

wherein the pre-saturated disposable disinfecting wipe has a single-touch two-minute wetness coverage of more than 100 in 2 ; and

wherein the pre-saturated disposable disinfecting wipe displays a liquid release percentage of the liquid disinfecting formulation from the microfiber cloth of greater than 90%.

19. A method of manufacturing a pre-saturated disposable disinfecting wipe, comprising:

saturating, with a liquid disinfecting formulation, a microfiber cloth comprising:

a substrate having a first face and an opposed second face; and

microfiber yarn attached to the substrate in a plurality of parallel rows of stitches,

wherein the pre-saturated disposable disinfecting wipe has a single-touch two-minute wetness coverage of more than 100 in 2 ; and

wherein the pre-saturated disposable disinfecting wipe comprises: (i) a liquid release percentage of the liquid disinfecting formulation from the microfiber cloth of at least 90%, (ii) an abrasion resistance of more than 10 cycles, and (iii) a tensile strength measured in a direction parallel to the stitches greater than 30 pounds.

20. The method of claim 19 , wherein the pre-saturated disposable disinfecting wipe has a single-touch two-minute wetness coverage of more than 300 in 2 .

21. The method of claim 19 , wherein the pre-saturated disposable disinfecting wipe has a multi-touch two-minute wetness coverage of more than 1000 in 2 .

22. The method of claim 19 , wherein the attaching comprises sewing the microfiber yarn such that the stitches are straight stitches that are substantially flush with the first and second faces of the substrate.

23. The method of claim 22 , wherein the sewing is performed on a multiline sewing machine.

24. The method of claim 19 , wherein the attaching comprises stitch-bonding the microfiber yarn onto the substrate.

25. The method of claim 19 , wherein the microfiber cloth is saturated with the liquid disinfecting formulation in an amount of between 3.5 times and 4.5 times of a dry weight of the microfiber cloth.

26. The method of claim 19 , wherein the microfiber cloth is saturated with the liquid disinfecting formulation in an amount greater than 6.0 times a dry weight of the microfiber cloth.

27. The method of claim 19 , wherein the liquid disinfecting formulation comprises alcohol, quaternary ammonium chloride (QUAT), quaternary ammonium chloride (QUAT) and alcohol, chlorine bleach, citric acid, peroxygens such as hydrogen peroxide, or peracetic acid.

28. The method of claim 19 , wherein the substrate comprises a polyester, and wherein the microfiber yarn comprises a polyester.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 7, 2022
From: WU, WEIDONG; SMALLWOOD, BRIAN; BHESANIA, DIMPLE; TROUTMAN, DAN
To: RUBBERMAID COMMERCIAL PRODUCTS LLC
Reel/Frame 061350/0811 →
Continuity (2)
Provisional Application 63253815 · Oct 8, 2021
Related Publication 20230110348A1 · Apr 13, 2023
Cited By (1)
US 1,130,927