# US 2025/0143232 A1 · Device and method for soil moisture stabilization and tree or plant protection

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- Number: US 2025/0143232 A1
- Document ID: US20250143232A1
- Status: Published application
- Kind: A1
- Application number: 18/529,295
- Filed: 2023-12-05
- Published: 2025-05-08
- Earliest claimed: 2016-07-15
- Assignees: Zynnovation LLC
- Applicants: Zynnovation, LLC
- Inventors: Wei Zhang; Hailing Yang
- Web page: https://patentgrep.com/patent/US20250143232A1

## CPC

- A01G 13/32: Mats; Nets; Sheets or films
- A01G 13/31: for individual plants
- A01G 24/35: containing water-absorbing polymers
- A01G 25/02: Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G 25/167: {Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors}
- A01M 1/2005: {Poisoning insects using bait stations (A01M1/10 takes precedence)}
- A01G: HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING (picking of fruits, vegetables, hops or the like A01D46/00; propagating unicellular algae C12N1/12)
- A01M: CATCHING, TRAPPING OR SCARING OF ANIMALS (appliances for catching swarms or drone-catching A01K57/00; fishing A01K69/00 - {A01K99/00}; biocides, pest repellants or attractants A01N); APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS

## Abstract

A tree or plant protection mat is provided, comprising: a top layer, having a first perimeter edge; a water-permeable bottom layer, having a second perimeter edge affixed either directly to the first perimeter edge, or indirectly to the first perimeter edge via an intervening sidewall; and a water-absorbing and releasing center layer disposed between the top and bottom layers, and comprising a section having superabsorbent particles and a section not having superabsorbent particles. Other mats and methods are provided.

## Claims

### Claim at position 1

1-7. (canceled)

### Claim 8 (depends on 28)

The mat of claim 28, wherein the top layer reduces or prevents evaporative water loss from the center layer.

### Claim 9 (depends on 28)

The mat of claim 28, wherein the top layer is permeable to one or more of water, atmospheric water, dew, rainwater, applied water, or a combination of two or more thereof.

### Claim 10 (depends on 28)

The mat of claim 28, wherein the top layer further comprises one or more perforations, funnel, hole, opening, channel, seam, or a combination of two or more thereof, to permit one or more of atmospheric water, dew, rainwater, applied water, or a combination of two or more thereof to penetrate into the center layer.

### Claim 11 (depends on 28)

The mat of claim 28, wherein the top layer is flexible.

### Claim 12 (depends on 28)

The mat of claim 28, wherein the top layer is flexible and is made of fabric, woven material, non-woven material, film, plastic, laminate, sheeting, polymer, or a combination of two or more thereof.

### Claim at position 7

13-18. (canceled)

### Claim 19 (depends on 28)

The mat of claim 28, wherein the superabsorbent particles comprise polyacrylic acid polymer, polyacrylate polymer, starch-grafted polymer, polyacrylamide, ethylene maleic anhydride polymer, carboxymethylcellulose, polyvinyl alcohol, polyethylene oxide, starch grafted copolymer of polyacrylonitrile, Group IA salt of polyacrylic acid, copolymer of two or more thereof, bio-based super absorbent polymer, starch-based super absorbent polymer, cellulose-based super absorbent polymer, biodegradable superabsorbent polymer, superabsorbent cellulosic hydrogel, or any combination thereof.

### Claim 20

(canceled)

### Claim 21 (depends on 28)

The mat of claim 28, wherein the first and second perimeter edges are affixed via sewing, heat-sealing, friction-welding, laser-welding, ultrasonic-welding, induction-welding, radio-frequency-welding, heat-bonding, adhesive, solvent-welding, stapling, or a combination of two or more thereof.

### Claim 22 (depends on 28)

The mat of claim 28, wherein sections of soaker hose, drip emitters or micro-spray emitters are inserted in between of the top and bottom layers and the soaker hose and the emitters can be connected to an irrigation system via connections such as a hose connector.

### Claim at position 12

23-27. (canceled)

### Claim 28

A soil moisture stabilization mat for infrastructure located in or on the ground, comprising:
a top layer, having a first perimeter edge;
a water-permeable bottom layer, having a second perimeter edge affixed either directly to the first perimeter edge, or indirectly to the first perimeter edge via an intervening sidewall; and
a water-absorbing and releasing center layer disposed between the top and bottom layers, and comprising superabsorbent particles;
wherein the top layer is cotton, burlap, canvas, hemp, paper, biodegradable, biomaterial, bio-based plastic, processed bio-based material, reclaimed plastic, recycled plastic, recycled diaper, recycled rubber, wood, bamboo, agricultural residue, natural weed control fabric, mulch film, biodegradable paper weed barrier, biodegradable natural weed barrier fabric, biodegradable mulch weed barrier, weed barrier film, weed barrier fabric, polylactic acid fabric, plant-based fiber, seed hairs, cotton, stem fiber, bast fiber, flax, straw, hemp, leaf fiber, sisal, husk fiber, coconut fiber, corn fiber, animal-based fiber, wool, hair, secretion fiber, silk, aspen wood fiber, linen, wool, cashmere, jute, abaca, coir, flax, ramie, sisal, mohair, camel hair, angora wool, alpaca wool, straw, or a combination of two or more thereof; and
wherein the bottom layer is cotton, burlap, canvas, hemp, paper, biodegradable, biomaterial, bio-based plastic, processed bio-based material, reclaimed plastic, recycled plastic, recycled diaper, recycled rubber, wood, bamboo, agricultural residue, natural weed control fabric, mulch film, biodegradable paper weed barrier, biodegradable natural weed barrier fabric, biodegradable mulch weed barrier, weed barrier film, weed barrier fabric, polylactic acid fabric, plant-based fiber, seed hairs, cotton, stem fiber, bast fiber, flax, straw, hemp, leaf fiber, sisal, husk fiber, coconut fiber, corn fiber, animal-based fiber, wool, hair, secretion fiber, silk, aspen wood fiber, linen, wool, cashmere, jute, abaca, coir, flax, ramie, sisal, mohair, camel hair, angora wool, alpaca wool, straw, or a combination of two or more thereof.

### Claim at position 14

29-31. (canceled)

### Claim 32 (depends on 43)

The method of claim 43, wherein the infrastructure comprises one or more of a foundation, building, dwelling, house, road, roadbed, street, highway, pavement, sidewalk, railway, subway, runway, bridge, dam, pier, utility, utility pole, utility tunnel, tunnel, pipeline, buried conduit, tower, airport, sewage line, gas line, water pipe, storage tank, or a combination of two or more thereof.

### Claim 33 (depends on 43)

The method of claim 43, wherein the damage comprises one or more of a crack, buckling, sinking, lifting, shifting, translocation, upheaval, collapse, or a combination of two or more thereof.

### Claim 34 (depends on 43)

The method of claim 43, which reduces the occurrence of cracks appearing in a building's foundation.

### Claim at position 18

35-37. (canceled)

### Claim 38 (depends on 28)

The mat of claim 28, wherein the bottom layer further comprises one or more perforations, hole, opening, channel, seam, or a combination of two or more thereof, to permit the release of water from the center layer.

### Claim 39 (depends on 28)

The mat of claim 28, wherein the bottom layer is flexible.

### Claim 40 (depends on 28)

The mat of claim 28, wherein the bottom layer is flexible and is made of fabric, woven material, non-woven material, film, plastic, laminate, sheeting, polymer, or a combination of two or more thereof.

### Claim at position 22

41-42. (canceled)

### Claim 43

A method of stabilizing soil moisture in expansive or other soil, comprising placing a soil moisture stabilization mat on the soil, wherein the soil moisture stabilization mat comprises:
a top layer, having a first perimeter edge;
a water-permeable bottom layer, having a second perimeter edge affixed either directly to the first perimeter edge, or indirectly to the first perimeter edge via an intervening sidewall; and
a water-absorbing and releasing center layer disposed between the top and bottom layers, and comprising superabsorbent particles.

### Claim 44

(canceled)