# US 5,347,950 A · Animal litter composition and package

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- Number: US 5,347,950 A
- Document ID: US5347950A
- Status: Granted
- Kind: A
- Application number: 07/887,726
- Filed: 1992-05-22
- Granted: 1994-09-20
- Earliest claimed: 1992-05-22
- Assignees: Kimberly-Clark Corporation
- Inventors: Loyd G. Kasbo, deceased; James D. Cotton; Michael T. Morman; Gabriel H. Adam
- Web page: https://patentgrep.com/patent/US5347950A

## CPC

- A01K 1/0107: {Cat trays; Dog urinals; Toilets for pets}
- A01K 1/0152: {Litter}
- A01K 1/0155: {comprising organic material}
- A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS

## Abstract

There is disclosed an animal litter composition and a package for the composition. The composition constitutes decorticated flax straw which as been screened to particle sizes between about 10 and 22 U.S. Screen Mesh. The litter further includes a virucidal composition and a fragrance. The virucidal composition includes from about 0.05 to about 5 percent by weight based on the dry weight of the decorticated flax straw of a preferably anionic surfactant, and at least about 2 percent, based on the dry weight of the decorticated flax straw of at least one acid selected from a group consisting of citric, malic, and mixtures of the acids. The animal litter package constitutes a bag formed from a web of film, nonwoven/film laminates, film/paper laminate or wax/paper laminate in which the animal litter is contained prior to use. The bag can then be opened to serve as a litter box liner. Once the litter has been used, the edges of the bag can be regathered to form a bag for disposal of the litter.

## Claims

### Claim 1

Animal litter comprising:
a. ground and uncompacted agricultural biproduct selected from the group consisting of decorticated flax straw and flax shive which has particles sizes between about 10 and 22 U.S. Screen Mesh; and
b. a virucidal composition.

### Claim 2 (depends on 1)

The animal litter of claim 1, wherein the agricultural biproduct is decorticated flax straw.

### Claim 3 (depends on 2)

The animal litter of claim 2 wherein the virucidal composition comprises:
a. from about 0.05 to about 5 weight percent, based on the dry weight of the agricultural biproduct, of a surfactant, preferably anionic, and
b. at least about 2 percent, based on the dry weight of the ground agricultural biproduct, of citric, malic, and mixtures of the acids.

### Claim 4 (depends on 1)

The animal litter of claim 1 wherein the virucidal composition comprises:
a. from about 0.05 to about 5 weight percent, based on the dry weight of the agricultural biproduct, of a surfactant, preferably anionic, and
b. at least about 2 percent, based on the dry weight of the ground agricultural biproduct, of at least one acid selected from the group consisting of citric, malic, and mixtures of the acids.

### Claim 5 (depends on 4)

The animal litter of claim 4, wherein the litter additionally comprises a fragrance.

### Claim 6 (depends on 4)

The animal litter of claim 4, wherein the litter additionally comprises a fragrance.

### Claim 7

Animal litter comprising:
a. ground and uncompacted agricultural biproduct which has particle sizes between about 10 and 22 U.S. Screen Mesh; and
b. a virucidal composition comprising:
i) from about 0.05 to about 5 weight percent, based on the dry weight of the agricultural biproduct, of a surfactant, preferably anionic, and
ii) at least about 2 percent, based on the dry weight of the ground agricultural biproduct, of at least one acid selected from the group consisting of citric, malic and mixtures of the acids.

### Claim 8 (depends on 7)

The animal litter of claim 7, wherein the agricultural biproduct is selected from the group consisting of flax straw, flax shive, wheat straw, and sunflower seed hulls.

### Claim 9 (depends on 8)

The animal litter of claim 8, wherein the agricultural biproduct is decorticated flax straw.

### Claim 10 (depends on 9)

The animal litter of claim 9, wherein the litter additionally comprises a fragrance.

### Claim 11 (depends on 8)

The animal litter of claim 8, wherein the litter additionally comprises a fragrance.

### Claim 12 (depends on 7)

The animal litter of claim 7, wherein the litter additionally comprises a fragrance.