IP Library Granted Patent US 7,467,600
Granted Patent B2
US 7,467,600 · App. 11/208,016 · Granted Dec 23, 2008

Animal litter

Assignee: Uni-Charm Petcare Corporation
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Quick Facts
Patent No.
US 7,467,600
App. No.
11/208,016
Granted
Dec 23, 2008
Kind
B2
Abstract

Provided is a litter, related to litter used for animal litter, which suppresses odors due to excretory substances remaining in litter and litter container using thereof. This animal litter comprises a plurality of granular materials, one part of a surface thereof comprising first granular material having water-shedding properties and second granular material having liquid-absorbing properties.

Claims (15)

1. An animal litter comprising a plurality of granular materials wherein the plurality of granular material comprises:

a first granular material having water-shedding properties; and

a second granular material having liquid-absorbing properties;

wherein a content of the first granular material is larger than a content of the second granular material.

2. The animal litter according to claim 1 , wherein a surface area of the second granular material is larger than a surface area of the first granular material.

3. The animal litter according to claim 1 , wherein the animal litter is used in combination with a liquid-absorbent sheet having liquid-absorbing properties.

4. The animal litter according to claim 1 , wherein the first granular material is formed by a water-shedding process which is performed on a surface of a base material.

5. The animal litter according to claim 4 wherein the base material has liquid absorbing properties, and is selected form the group consisting of silica gel bentonite, ground pulp, paper sand, and wood chips.

6. The animal litter according to claim 1 , wherein the first granular material is formed by processing with acrylic resin, urethane resin or silicon resin.

7. The animal litter according to claim 1 , wherein the first granular material is formed by processing into granular form materials which originally have water-shedding properties and comprise at least one of polyethylene, propylene and glass.

8. The animal litter according to claim 1 , wherein a liquid passage ratio of the plurality of granular materials is at least 50%.

9. An animal litter comprising a plurality of granular materials wherein the plurality of granular material comprises:

a first granular material having water-shedding properties; and

a second granular material having liquid-absorbing properties;

wherein a liquid passage ratio of the plurality of granular materials is 50% or more.

Assignments (2)
MERGER Recorded Oct 6, 2010
From: UNI-CHARM PETCARE CORPORATION
To: UNI-CHARM CORPORATION
Reel/Frame 025095/0355 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2006
From: IKEGAMI, TAKESHI; MATSUO, TAKAYUKI; SHIMIZU, SHINGO
To: UNI-CHARM PETCARE CORPORATION
Reel/Frame 017241/0139 →
Priority Claims (2)
JP 2004-241312 · Aug 20, 2004 · national
JP 2005-084643 · Mar 23, 2005 · national
Continuity (1)
Related Publication 20060112894A1 · Jun 1, 2006