US 12,284,980 B2
Compressible animal litter
Alvin Kershman, St. Louis, MO (US); Josh Wiesenfeld, Santa Monica, CA (US); Jeff Shear, Bonita Springs, FL (US); and Harold Cole, St. Louis, MO (US)
Assigned to Boxiecat, LLC, Santa Monica, CA (US)
Filed by Boxiecat LLC, Santa Monica, CA (US)
Filed on Nov. 4, 2022, as Appl. No. 17/981,173.
Claims priority of provisional application 63/275,569, filed on Nov. 4, 2021.
Prior Publication US 2023/0140299 A1, May 4, 2023
Int. Cl. A01K 1/015 (2006.01)
CPC A01K 1/0155 (2013.01) [B32B 2266/00 (2013.01); B32B 2266/0278 (2013.01)] 18 Claims
 
1. An animal litter comprising a foam polymer,
wherein the foam polymer is compressible and resilient foam having a density in the range of about 325 to 650 kg/m3;
wherein the foam polymer has limited compressibility when a weight is applied;
wherein the weight is an about 1 kg weight;
wherein the 1 kg weight is applied to a 2 cm×2 cm×1.2 cm sample of the foam polymer; and
wherein the volume of the foam polymer is compressed by less than about 10%;
wherein the foam polymer returns to approximately its original volume when the weight is removed;
wherein the foam polymer is formed into particles of about 0.5 inches or less; and
wherein the animal litter is liquid-absorbent.