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# c12) United States Patent 

# Klofta 

# (54) ABSORBENT ARTICLES COMPRISING WETNESS INDICATORS 

(75) Inventor: Thomas James Klofta, Cincinnati, OH (US) 

(73) Assignee: The Procter & Gamble Company, Cincinnati, OH (US) 

( *) Notice: Subject to any disclaimer, the term ofthis patent is extended or adjusted under 35 U.S.C. 154(b) by 308 days. 

(21) Appl. No.: 12/758,165 

(22) Filed: Apr. 12, 2010 

## (65) Prior Publication Data 

US 2010/0262099 Al Oct. 14, 2010 

(60) Provisional application No. 61/168,756, filed on Apr. 13, 2009. 

(51) Int. Cl. A61F 13115 A61F 13/42 (2006.01) (2006.01) 

(52) U.S. Cl. USPC ............. 604/361; 604/360; 604/35; 604/366; 604/367 

( 58) Field of Classification Search USPC .......................... 604/360, 361,359, 366, 367 See application file for complete search history. 

## (56) References Cited 

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## Related U.S. Application Data 

## U.S. PATENT DOCUMENTS 

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# (IO) Patent No.: US 8,927,801 B2 

# Jan.6,2015 (45) Date of Patent: 

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## FOREIGN PATENT DOCUMENTS 

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PCT International Search Report, PCT/US2010/030791 date of mail› ing Jul. 29, 2010. 

Written Opinion, PCT/US2010/030791, date of mailing Jul. 29, 2010. 

Primary Examiner - Jacqueline F. Stephens 

(74) Attorney, Agent, or Firm - Richard L. Alexander 

## (57) ABSTRACT 

An absorbent article of the present invention may comprise a backsheet, a wetness indicator composition, and an absorbent core. The wetness indicator composition may comprise a stabilizer, a colorant, and a matrix. The absorbent core may comprise a nonwoven layer and a complex of absorbent poly› mer material and thermoplastic adhesive material. The wet› ness indicator composition may be in direct contact with an inner surface of the backsheet and an outer surface of the nonwoven layer. And, the complex of absorbent polymer material and thermoplastic adhesive material may be in direct contact with an inner surface of the nonwoven. Further, the absorbent core may be cellulose free. 

US008927801B2 

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## OTHER PUBLICATIONS 

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## 21 Claims, 1 Drawing Sheet 

