[특허]Use-dependent indicator system for absorbent articles

[미국특허] Use-dependent indicator system for absorbent articles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-027/04 B32B-027/12
출원번호	US-0746719 (2000-12-22)
발명자 / 주소	Anderson, Ralph L. Clark, James W. Radwanski, Fred R.
출원인 / 주소	Kimberly-Clark Worldwide, Inc.
대리인 / 주소	Dority & Manning, P.A.
인용정보	피인용 횟수 : 15 인용 특허 : 168

초록 ▼

A use-dependent indicator system for detecting the exhaustion of an active chemical within an absorbent article is provided. The indicator system includes at least one dye component and a polymer mixture. The dye component(s) can be non-reactive and/or reactive dyes. The polymer mixture can contain a polymer, such as a latex adhesive, to facilitate control over the dissolution rate of the dye component(s). By controlling the dissolution rate of the dye component(s), an indicator system of the present invention can impart a change in color to signal the exhaustion of an active chemical incorporated within the absorbent article, such as an anti-microbial agent.

대표청구항 ▼

1. An absorbent article containing an active chemical comprising: an absorbent web containing fibers, said absorbent web having at least two outer surfaces; and an indicator system applied to said web, said indicator system comprising at least one dye component imparting a color to said at least one surface, said at least one dye component being capable of dissolving into a liquid when contacted therewith, said at least one dye component dissolving at a faster rate than said active chemical when contacted with said liquid such that said color of said at least one surface becomes altered before said active chemical is completely exhausted during the use of said article; and a cross-linked water-swellable polymer mixture applied to said web, wherein said cross-linked water-swellable polymer is cross-linked to a degree that controls the rate that said at least one dye component dissolves into said liquid when contacted therewith. 2. An article as defined in claim 1, wherein said web has at least two outer surfaces, said indicator system being applied to at least one of said two surfaces. 3. An article as defined in claim 2, wherein said indicator system covers less than about 60% of said at least one surface of said web such that said web is capable of maintaining absorbent properties. 4. An article as defined in claim 1, wherein said indicator system comprises a non-reactive dye. 5. An article as defined in claim 1, wherein said indicator system comprises a reactive dye. 6. An article as defined in claim 1, wherein said polymer mixture comprises a polymer capable of swelling in water. 7. An article as defined in claim 1, wherein said polymer mixture comprises an additive selected from the group consisting of a cross-linking agent, a catalyst, a thickener, a plasticizer, a defoamer, composite particles, a viscosity modifier, a stabilizer, a surfactant, and combinations thereof. 8. An article as defined in claim 1, wherein said active chemical comprises an anti-microbial agent. 9. An article as defined in claim 8, wherein said anti-microbial agent comprises a stationary additive. 10. An article as defined in claim 8, wherein said anti-microbial agent comprises a surface migration additive.

이 특허에 인용된 특허 (168) 인용/피인용 타임라인 분석

Georger William A. (Dunwoody GA) Jones Mark F. (Huntersville NC) Kopacz Thomas J. (Omro WI) Zelazoski Gregory A. (Woodstock GA), Abrasion resistant fibrous nonwoven composite structure.
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Lamers Gregory C. (Appleton WI) Endres Dan D. (Appleton WI) Win Maung H. (Neenah WI) Kuenn Cary K. (Appleton WI), Abrasive web and method of making same.
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Burrell Robert Edward,CAX ; Morris Larry Roy,CAX, Anti-microbial coating for medical device.
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Miyake Shinichi (Osaka JPX) Ito Shigehiko (Osaka JPX) Oka Yumiko (Osaka JPX) Kambayashi Jun-ichi (Hyogo-ken JPX) Okahara Kazuhiro (Osaka JPX), Antibacterial vascular prosthesis and surgical suture.
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Niira ; deceased Reiji (late of Kokubunji JPX by Yuriko Niira ; Kiyotaka Niira ; Hideaki Niira ; heirs) Yamamoto Tatuo (Inazawa JPX) Uchida Masashi (Nagoya JPX) Fukuoka Yoshihiro (Nagoya JPX), Antibiotic resin composition.
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Niira ; deceased Reiji (late of Kokubunki JPX by Yuriko Niira ; legal representative ; Yuriko Niira ; Kiyotaka Niira ; Hideaki Niira ; legal heirs) Yamamoto Tatuo (Inazawa JPX) Uchida Masashi (Nagoya, Antibiotic zeolite.
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Niira ; deceased Reiji (late of Kokubunki JPX by Yuriko Niira ; Kiyotaka Niira ; Hideaki Niira ; legal heirs ) Yamamoto Tatuo (Inazawa JPX) Uchida Masashi (Nagoya JPX), Antibiotic zeolite-containing film.
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Relenyi Attila G. (Midland MI), Antimicrobial cation exchange composition.
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Schaeken Mathias J. M. (Nijmegen NLX) Van der Hoeven Johannes S. (Beek-Ubbergen NLX) De Haan Pieter (Oss NLX) Lerk Coenraad F. (Peize NLX), Antimicrobial composition with long-term activity.
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Greenwald Richard B. (Eagan MN) Sze Isaac S. Y. (St. Paul MN), Antimicrobial film-forming compositions.
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Modak Shanta (River Edge NJ) Sampath Lester (Nyack NY), Antimicrobial glove comprising a rapid release matrix system for antiinfective agent delivery.
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Mochizuki Masatsugu (Shiga JPX) Umemura Yoshihiro (Kyoto JPX) Sakammoto Izumi (Kyoto JPX) Takagi Kunihiko (Kyoto JPX), Antimicrobial latex composition.
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Schoenberg Thomas G. (Brookfield IL), Antimicrobial preservative system and method comprising a formaldehyde substituted hydantoin.
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Scales John T. (Stanmore GB2) Wilkinson Michael J. (Radlett GB2), Antimicrobial surgical implants.
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Bouchette Michael P. (Appleton WI), Antimicrobially active, non-woven web used in a wet wiper.
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Bouchette Michael P. (Appleton WI), Antimicrobially active, non-woven web used in a wet wiper.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

[미국특허] Use-dependent indicator system for absorbent articles 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허에 인용된 특허 (168) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

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연합인증

[미국특허] Use-dependent indicator system for absorbent articles 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (168) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

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