Patent ID: 8640649

Claim:
A liquid absorptive liquid-absorbing sheet for an animal litter box comprising: a liquid permeable front layer; a liquid impermeable back layer; an absorbent structure with a liquid absorptive property for absorbing liquids dispensed thereon sandwiched between the front layer and the back layer, and having an upper absorbent layer disposed at the front layer side and a lower absorbent layer disposed at the back layer side; a first tissue layer between the front layer and the absorbent structure; a second tissue layer extending from the back layer to the front layer and partially disposed between the first tissue layer and the absorbent structure to space the first tissue layer and the front layer; and an antimicrobial and bacteriostatic part including: an antimicrobial layer having antimicrobial property that is imparted by a cationic surfactant; and a bacteriostatic layer having bacteriostatic property that is imparted by an organic, wherein the antimicrobial layer and the bacteriostatic layer are directly in contact with one another and the bacteriostatic layer is layered directly on the antimicrobial layer; wherein the antimicrobial and bacteriostatic part is sandwiched between the upper absorbent layer and the lower absorbent layer, the absorbent structure includes an absorbent material dispersed with a superabsorbent polymer, wherein the antimicrobial layer includes didecyldimethylammonium adipate and the bacteriostatic layer includes citric acid.