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# c12) United States Patent Klofta 

# (54) ABSORBENT ARTICLES COMPRISING WETNESS INDICATORS 

(71) Applicant: The Procter & Gamble Company, Cincinnati, OH (US) 

(72) 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 O days. This patent is subject to a terminal dis› claimer. 

(21) Appl. No.: 14/943,139 

(22) Filed: Nov. 17, 2015 

## (65) Prior Publication Data 

US 2016/0067114 Al Mar. 10, 2016 

(63) Continuation of application No. 14/567,021, filed on Dec. 11, 2014, which is a continuation of application 

(51) Int. Cl. 

<img src='content_image/922481.jpg'>

(52) U.S. Cl. CPC ............ A61F 13/42 (2013.01); A61F 13/536 (2013.01); A61F 13/5323 (2013.01); A61F 5/44 (2013.01); 

## Related U.S. Application Data 

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# (IO) Patent No.: US 9,585,796 B2 

# (45) Date of Patent: *Mar. 7, 2017 

(58) Field of Classification Search CPC .......... A61F 5/44; A61F 13/49; A61F 13/514; A61F 13/42 

## (56) References Cited 

<img src='content_image/922482.jpg'>

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

Primary Examiner - Jacqueline 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 absor› bent core. The wetness indicator composition may comprise a stabilizer, a colorant, and a matrix. The absorbent core may comprise a nonwoven layer and an absorbent polymer material, and optionally, a thermoplastic adhesive material. The wetness indicator composition may be in direct contact with an inner surface of the backsheet and an outer surface of the nonwoven layer. And, the absorbent polymer material, and optionally, the thermoplastic adhesive material, may be in direct contact with an inner surface of the nonwoven. Further, the absorbent core may be substantially cellulose free and may be oriented in at least one row. 

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US009585796B2 

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## U.S. PATENT DOCUMENTS 

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## FOREIGN PATENT DOCUMENTS 

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## OTHER PUBLICATIONS 

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## 20 Claims, 1 Drawing Sheet 

