Sheets for animals, sheet, bags, daily goods, ink and packaging materials

• US 5,595,754 A
• Filed: 02/28/1996
• Issued: 01/21/1997
• Est. Priority Date: 12/25/1989
• Status: Expired due to Term

• Current Assignee: Daiki Company Limited (Daihen Corporation)
• Original Assignee: Daiki Company Limited (Daihen Corporation)
• Inventors: Ito, Hiroshi, Shinpo, Kaoru, Kiritani, Yasuharu
• Primary Examiner(s): Hulina, Amy
• Application Number:
  US08/608,283
• Time in Patent Office: 328 Days
• Field of Search: 424/400, 424/443, 604/358, 604/361, 604/378, 428/535, 428/913, 119/163, 119/169, 119/172
• US Class Current: 424/443
• CPC Class Codes: A01K 1/0152 Litter
• CPC Class Codes: A01K 1/0157 Mats; Sheets
• CPC Class Codes: A01K 1/0353 Dog beds
• CPC Class Codes: G01N 33/52 Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements immunological elements G01N33/54386; involving labelled immunochemicals G01N33/58; for haemoglobin or occult blood G01N33/72
• CPC Class Codes: G01N 33/528 Atypical element structures, e.g. gloves, rods, tampons, toilet paper
• CPC Class Codes: Y10S 428/913 Material designed to be responsive to temperature, light, moisture
• CPC Class Codes: Y10T 428/31982 Wood or paper

Abstract

Since the present invention is composed of required component capable of changing in color with which a daily product and so on are impregnated, painted or printed, such daily product is convenient in daily life by indicating a contact between the required component and urine and so on.

Claims

1. A sheet for a pet animal to be used for checking urine of said pet animal for physical examination of said pet animal after excreting on said sheet comprising:

a first fluid permeable sheet (1,

     111);

a second fluid impermeable sheet (4,

     141); and

a third sheet composed of paper sheets (2,

     121), sandwiched between said first sheet and second sheet and printed with patterns or letters with ink containing bromothymol blue and a sterilizing agent dispersed in an organic solvent, said sterilizing agent is selected from the group consisting of ethanol, isopropyl alcohol, and DL-pyrrolidone carboxylate.

2. A sheet of claim 1 wherein said third sheet further comprises patterns or letters printed with ink containing 3,3'"'"',5,5'"'"'-tetramethylbenzidine dispersed in an organic solvent.