[특허]Polyvinyl acetate latex impregnated towelette

Polyvinyl acetate latex impregnated towelette 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65B-005/04
출원번호	US-0163240 (1980-06-26)
발명자 / 주소	Daniels Wiley E. (Easton PA) Davidowich George (Dunellen NJ) Miller Gerald D. (Belle Mead NJ)
출원인 / 주소	Air Products and Chemicals, Inc. (Allentown PA 02)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

Nonwoven fibrous sheets impregnated with latices of polyvinyl acetate or its copolymers containing polyvinyl alcohol, intended for use in pre-moistened condition as skin cleansing tissues, are folded and packaged in closed containers or in individual sealed water impervious envelopes; said packaged sheets being maintained in contact with a dilute aqueous solution of a precipitating or gelling agent for polyvinyl alcohol, such as boric acid. The agent imparts improved wet tensile strength to the sheet during storage and use by the consumer but permits the sheet to be safely disposed of, after use, by flushing in plain water without danger of clogging the plumbing system.

대표청구항 ▼

A method of preparing a packaged towelette having enhanced wet strength while maintained in wet condition in a sealed container package and while during use until flushed in water, comprising: (a) forming an emulsion binder of a vinyl acetate-ethylene copolymer containing polyvinyl alcohol as a protective colloid in a web of nonwoven fibers to form an emulsion impregnated towelette; (b) packaging said impregnated towelette in an impervious, closed container; and (c) maintaining said emulsion binder in a gel-like form in a wet condition in said container by contact with a non-alkaline aqueous solution of boric acid having a concentration of at least 3% by weight up to its limit of solubility, thereby temporarily insolublizing said binder until flushed in water. A method of preparing a packaged towelette having enhanced wet strength while maintained in wet condition in a sealed container package and while during use until flushed in water comprising: (a) forming an emulsion binder of a vinyl acetate-ethylene copolymer containing a water soluble polyvinyl alcohol as a protective colloid in a web of nonwoven fibers to form an emulsion impregnated towelette; (b) packaging said impregnated towelette in an impervious, closed container; and (c) maintaining said binder in a gel-like form in a wet condition in said container by contact with a non-alkaline aqueous solution of a water soluble salt selected from the group consisting of sodium sulfate and potassium citrate, wherein said binder is temporarily insolubilized until flushed in water.

이 특허를 인용한 특허 (31)

Jackson David Martin ; Mumick Pavneet Singh ; Ono Audrie Tomoko ; Pomplun William Seal ; Wang Kenneth Yin, Coformed dispersible nonwoven fabric bonded with a hybrid system.
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Win Maug Hla (Neenah WI) Burazin Mark Alan (Appleton WI) Engel Steven Alexander (Neenah WI) Kressner Bernhardt Edward (Appleton WI) Lloyd William Dee (Appleton WI) Schultz Walter Theodore (Appleton W, Flushable premoistened personal wipe.
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Yang Xiaoming (San Diego CA) Petcavich Robert J. (San Diego CA), Hot water soluble disposable films, fabrics and articles.
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Honeycutt Travis W. (Gainesville GA) Lee Baosheng (Duluth GA), Hot water soluble towels, sponges and gauzes.
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Jackson, David Martin; Lang, Frederick John; Wang, Kenneth Yin; Zacharias, Duane, Ion sensitive, water-dispersible fabrics, a method of making same and items using same.
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Chang, Yihua; Mumick, Pavneet S.; Lang, Frederick J., Ion-sensitive hard water dispersible polymers and applications therefor.
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Chang, Yihua; Mumick, Pavneet S.; Lang, Frederick J., Ion-sensitive hard water dispersible polymers and applications therefor.
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Chang, Yihua; Soerens, Dave A.; Lang, Frederick J., Ion-sensitive hard water dispersible polymers and applications therefor.
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Chen, Franklin M.; Branham, Kelly D.; Johnson, Eric D.; Lang, Frederick J.; Lindsay, Jeffrey D.; Schick, Kim G.; Schultz, Walter T.; Sun, Tong; Soerens, Dave A.; Chang, Yihua; Pomplun, William S.; Ja, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Cole, Douglas Bryan; Shah, Varsha K.; Bevernitz, Kurt J.; Chen, Franklin M.; Johnson, Eric D.; Lang, Frederick J.; Lindsay, Jeffrey D.; Rivera, Ligia A.; Schick, Kim G.; Stahl, Katherine Denise, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Lang, Frederick J.; Chang, Yihua; Chen, Franklin M.; Dellerman, Paige A.; Johnson, Eric D.; Lindsay, Jeffrey D.; Rivera, Ligia A.; Schick, Kim G.; Schultz, Walter T.; Shah, Varsha K.; Mumick, Pavneet, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Lang, Frederick J.; Chang, Yihua; Chen, Franklin M.; Mumick, Pavneet S.; Pomplun, William S.; Soerens, Dave A., Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Lang,Frederick J.; Chang,Yihua; Chen,Franklin M.; Dellerman,Paige A.; Jackson,David M.; Johnson,Eric D.; Lindsay,Jeffrey D.; Mumick,Pavneet S.; Pomplun,William S.; Rivera,Ligia A.; Schick,Kim G.; Schultz,Walter T.; Shah,Varsha K.; Soerens,Dave A.; Wang,Kenneth Y, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Mumick, Pavneet S.; Chang, Yihua; Chen, Franklin M.; Lang, Frederick J.; Schick, Kim G.; Schultz, Walter T.; Pomplun, William S.; Soerens, Dave A.; Wang, Kenneth Y., Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Pomplun, William S.; Chen, Franklin M.; Dellerman, Paige A.; Johnson, Eric D.; Lindsay, Jeffrey D.; Rivera, Ligia A.; Schick, Kim G.; Schultz, Walter T.; Shah, Varsha K.; Soerens, Dave A.; Wang, Kenn, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Soerens, Dave A.; Chang, Yihua; Pomplun, William S.; Chen, Franklin M. C.; Lang, Frederick J.; Mumick, Pavneet S., Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Soerens, Dave A.; Chang, Yihua; Pomplun, William S.; Wang, Kenneth Y.; Mumick, Pavneet S.; Lang, Frederick J.; Branham, Kelly D.; Chen, Franklin M.; Johnson, Eric D.; Lindsay, Jeffrey D.; Schick, Kim, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Honeycutt Travis W. ; Lee Baosheng ; Dai Dong ; Khamvongsa Bryan ; Jones Robert E., Liquid absorbable non-permeable fabrics and methods of making, using, and disposing thereof.
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Honeycutt Travis W., Method of disposal of hot water soluble garments and like fabrics.
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Honeycutt Travis W. (Gaineville GA), Method of disposal of hot water soluble garments and like fabrics.
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Honeycutt Travis W. ; Lee Baosheng, Method of disposal of hot water soluble garments and like fabrics.
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Honeycutt Travis W. ; Lee Baosheng ; Shreffler James R., Method of disposing of a mop head.
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Honeycutt Travis W., Method of producing hot water soluble garments and like fabrics.
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Boyer Harold F. ; Kempe Steven A. ; Boyer William F., Methods for spray-on insulation.
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Lockard Donald G. ; Seelig Karl S., Methods for wiping a metal contaminated surface with a water soluble fabric.
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Pike Richard D. (Norcross GA) Fowler John W. (Marietta GA), Nonwoven pad for applying active agents.
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Richards Marc F. (Dover DE) Wang Kenneth Y. (West Chester PA), Premoistened, flushable, disposable and biodegradable wet wipes.
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Smith, Novis; Roberson, Charles, Process for producing polyvinyl alcohol articles.
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Smith, Novis; Roberson, Charles, Process for producing polyvinyl alcohol articles.
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Boyer Harold F. (Houston TX) Kempe Steven A. (SugarLand TX) Boyer William F. (Pearland TX), Spray-on insulation.
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Mumick, Pavneet S.; Chen, Franklin M.C.; Chang, Yihua, Water-dispersible polymers, a method of making same and items using same.
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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Polyvinyl acetate latex impregnated towelette 원문보기

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Polyvinyl acetate latex impregnated towelette 원문보기

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이 특허를 인용한 특허 (31)

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