# US 12,180,656 B2 · Systems and methods for application of surface chemistry to bath tissue, facial tissue, and paper towel

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,180,656 B2
- Document ID: US12180656B2
- Status: Granted
- Kind: B2
- Application number: 17/484,065
- Filed: 2021-09-24
- Published: 2022-03-24
- Granted: 2024-12-31
- Earliest claimed: 2020-09-24
- Assignees: First Quality Tissue, LLC
- Applicants: First Quality Tissue, LLC
- Inventors: James E. Sealey, II; Kevin Brennan; Justin S. Pence; Byrd Tyler Miller, IV; Matthew John Walkiewicz
- Web page: https://patentgrep.com/patent/US12180656B2

## CPC

- D21H 27/002: {Tissue paper; Absorbent paper (D21H21/22, D21H27/02, D21H27/20 take precedence; toilet paper A47K10/00; absorbent pads for physiological fluids A61L15/16; making on paper-making machines D21F11/00)}
- D21H 27/007: {relating to absorbency, e.g. amount or rate of water absorption, optionally in combination with other parameters relating to physical or mechanical properties}
- B05D 3/14: by electrical means
- D21H 17/06: Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
- D21H 21/24: Surfactants
- D21H 27/02: Patterned paper (patterned coatings D21H19/66; embossing B31F1/07; prepared on the paper-making machines D21F11/00)
- D21H: PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02)

## Abstract

A method of producing wet laid disposable bath tissue, facial tissue, and paper towel with enhanced properties through application of surface additives using a piezoelectrical apparatus or application device.

## Claims

### Claim 1

A method of applying chemistries to a paper product comprising:
forming a paper web on a papermaking machine; and
applying a chemistry in a pattern directly to the paper web while the paper web is moving through a paper converting line with a piezoelectric device during a process for converting the paper web into a roll good,
wherein the chemistry has a viscosity of 20 centipoise (cps) to 1,000 cps as measured by a Brookfield viscometer, and
wherein the paper product is a wet laid disposable bath tissue, facial tissue or paper towel.

### Claim 2 (depends on 1)

The method of claim 1, wherein the chemistry comprises a solution, an emulsion, an ointment, a lotion or combinations thereof.

### Claim 3 (depends on 1)

The method of claim 1, wherein the chemistry has a viscosity of 40 centipoise (cps) to 200 centipoise (cps) as measured by a Brookfield viscometer.

### Claim 4 (depends on 1)

The method of claim 1, wherein the step of applying a chemistry comprises controlling droplet size of the chemistry to 0.5 microns to 20 microns in diameter.

### Claim 5 (depends on 1)

The method of claim 1, wherein the step of applying a chemistry comprises controlling a speed of formation of a droplet of the chemistry to a maximum of 165,000 droplets per second.

### Claim 6 (depends on 1)

The method of claim 1, wherein the step of applying a chemistry comprises controlling angle of deflection of droplets of the chemistry.

### Claim 7 (depends on 1)

The method of claim 1, wherein the step of controlling angle of deflection comprises applying an electrostatic field to the droplets of chemistry and passing the droplets through electrostatic deflection plates.

### Claim 8 (depends on 1)

The method of claim 1, wherein the step of applying a chemistry comprises applying the chemistry by an amount of 0.1 kg/ton to 10 kg/ton to the paper web.

### Claim 9 (depends on 1)

The method of claim 1, wherein the step of applying a chemistry comprises applying the chemistry by an amount of 0.1 kg/ton to about 5 kg/ton to the paper web.

### Claim 10 (depends on 1)

The method of claim 1, wherein the step of applying a chemistry comprises applying the chemistry by an amount of 0.1 kg/ton to about 2.5 kg/ton to the paper web.

### Claim 11 (depends on 1)

The method of claim 1, further comprising the step of changing a temperature of the chemistry before the step of applying.

### Claim 12 (depends on 1)

The method of claim 1, wherein the step of changing a temperature of the chemistry comprises cooling the chemistry.

### Claim 13 (depends on 1)

The method of claim 1, wherein the step of changing a temperature of the chemistry comprises heating the chemistry.