Granted Patent B2

US 12,389,875 · App. 17/109,012 · Granted Aug 19, 2025

Inventors: Nathan Foster Huck (Jackson, MO); Colin Muscroft (Glen Carbon, IL); David Odell Leinart (Ballwin, MO)

Assignee: SOCIÉTÉ DES PRODUITS NESTLÉ S.A.

A01K1/0154A01K1/0107A01K1/0152A01K1/0155B01J20/106B01J20/12B01J20/20B01J20/24B01J20/28011B01J20/28016B01J20/3021B01J20/3035B01J20/3042

Abstract

Claims (10)

1. A pet litter comprising dried particles of compacted material comprising 50 wt. % to 85 wt. % expanded perlite, wherein the dried particles further comprise a binder comprising starch, wherein the dried particles do not contain a clumping agent and wherein the dried particles have a density of about 25.0 lb/ft 3 to about 45 lb/ft 3 .

2. The pet litter of claim 1 , wherein the dried particles of compacted material have a moisture content from about 0.25 wt. % to about 10.0 wt %.

3. The pet litter of claim 1 , wherein the dried particles of compacted material have a size from 8 (2,380 microns) to 30 mesh (595 microns).

4. The pet litter of claim 1 , wherein the dried particles comprise about 1.0 wt. % to about 4.0 wt. % starch.

5. The pet litter of claim 1 , wherein the dried particles have an attrition less than or about 5.0%.

6. The pet litter of claim 1 , further comprising an additive selected from the group consisting of an odor control agent, a fragrance, an anti-microbial agent, an anti-sticking agent, an agent for controlling pH, a dye, a coloring agent, a de-dusting agent, a disinfectant, and combinations thereof.

7. The pet litter of claim 6 , wherein the odor control agent is activated carbon.

8. The pet litter of claim 1 , wherein the starch is a cereal starch.

9. The pet litter of claim 1 , wherein the dried particles of compacted material consist essentially of expanded perlite, starch and water.

10. A pet litter comprising dried particles of compacted material consisting essentially of expanded perlite and starch, wherein the dried particles have a density of about 25.0 lb/ft 3 to about 45 lb/ft 3 .

Assignments (2)

Continuity (3)

References Cited (95)