[특허]Enzymatically dispersible non-woven webs

[미국특허] Enzymatically dispersible non-woven webs 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-027/04 B32B-027/10
출원번호	US-0285084 (1972-08-30)
발명자 / 주소	Crawford George H. (Dellwood MN) Nawrot Charles F. (Eau Claire MN) Ofstead Ronald F. (Maplewood MN)
출원인 / 주소	Minnesota Mining and Manufacturing Company (St. Paul MN 02)
인용정보	피인용 횟수 : 56 인용 특허 : 0

초록 ▼

A self-supporting, non-woven composite web is described which is readily dispersible in aqueous media containing enzymes. The web comprises intersecting randomly or partially oriented fibers and has low wet-strength in the absence of a binder, the fibers being bonded in web form by a polymeric binder which is attacked and disintegrated by enzymes, thus permitting the fibers to disperse rapidly in aqueous milieu containing enzymes. The webs of the invention are useful for production of articles useful for absorbing body wastes, e.g. diapers, bandages, etc.

대표청구항 ▼

A self-supporting, non-woven composite fibrous web which is readily dispersible in aqueous milieu containing enzyme, consisting essentially of a non-woven web of relatively short fibers having surfaces which confer only low wet-strength upon the web in the absence of a binder and in combination therewith a water-insoluble, normally solid, enzyme-disintegratable binder which consists of the reaction product of a polymer containing at least one ethylenically unsaturated monomer covalently bonded with a naturally occurring, enzyme-degradable, water-soluble polymeric material, said binder being present in effective amount ranging from about 0.3 percent to about equal amount by weight of said fibers in said non-woven web, sufficient to impart to said non-woven web wet-strength in the absence of enzyme of from about 0.5 to 10 kg/cm2 and resistance to dispersion in water for at least 30 minutes, and to permit dispersion of said non-woven web in a period ranging from about 5 to 30 minutes in aqueous milieu containing enzyme capable of degrading said water-soluble polymeric material to disintegrate said binder and thereby to render said web dispersible.

이 특허를 인용한 특허 (56) 인용/피인용 타임라인 분석

Mower, Thomas E., Article with skin protecting and moisturizing compound.
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Hansen Michael R., Binder treated fibrous webs and products.
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Michael R. Hansen ; Richard H. Young, Sr., Binder treated particles.
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Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Binders for binding water soluble particles to fibers.
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Wallach Donald F. H. (Brookline MA), Biodegradable incontinence device with embedded granules.
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Young ; Sr. Richard H. ; Neogi Amar N. ; Hansen Michael R., Coated fiber product with adhered super absorbent particles.
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Hansen, Michael R.; Young, Sr., Richard H., Diol treated particles combined with fibers.
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Donald C. Roe, Directionally preferential waste passage member for use with disposable absorbent article.
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Laus Guy G. (Rixensart BEX), Disposable liquid-absorbent products.
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Michael R. Hansen ; Richard H. Young, Sr., Fibrous product containing densifying agent.
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Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Fibrous product for binding particles.
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Mower, Thomas E., Fucoidan compositions and methods for dietary and nutritional supplements.
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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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Lang, Frederick J.; Branham, Kelly D.; Chen, Franklin M.; Johnson, Eric D.; Lindsay, Jeffrey D.; Schick, Kim G.; Schultz, Walter T.; Sun, Tong; Chang, Yihua; Mumick, Pavneet S.; Pomplun, William S.; , Ion-sensitive, water-dispersable polymers, a method of making same and items using same.
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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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Douglas Bryan Cole ; Varsha K. Shah ; Kurt J. Bevernitz ; Franklin M. Chen ; Eric D. Johnson ; Frederick J. Lang ; Jeffrey D. Lindsay ; Ligia A. Rivera ; Kim G. Schick ; Katherine Denise Sta, Ion-sensitive, water-dispersible polymers, a method of making same and items using same.
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Frederick J. Lang ; Kelly D. Branham ; Yihua Chang ; Franklin M. Chen ; Eric D. Johnson ; Jeffrey D. Lindsay ; Pavneet S. Mumick ; William S. Pomplun ; Kim G. Schick ; Walter T. Schultz ; D, 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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Wilson John E. ; Bull Christopher, Light-activated antimicrobial and antiviral materials.
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Wilson John E. ; Bull Christopher, Light-activated antimicrobial and antiviral materials.
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Hansen Michael R. ; Halabisky Donald D., Method and compositions for enhancing blood absorbence by superabsorbent materials.
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Michael R. Hansen ; Donald D. Halabisky, Method and compositions for enhancing blood absorbence by superabsorbent materials.
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Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Method for densifying fibers using a densifying agent.
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Hansen, Michael R.; Young, Sr., Richard H., Method for forming a diaper.
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Michael R. Hansen ; Richard H. Young, Sr., Method for making superabsorbent containing diapers.
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Hansen, Michael R.; Young, Sr., Richard H., Method of binding binder treated particles to fibers.
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Hansen,Michael R.; Young, Sr.,Richard H., Method of binding binder treated particles to fibers.
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Michael R. Hansen ; Richard H. Young, Sr., Method of binding binder treated particles to fibers.
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Hansen,Michael R.; Young, Sr.,Richard H., Method of binding particles to binder treated fibers.
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Hansen, Michael R.; Halabisky, Donald D., Method of enhancing blood absorbence by superabsorbent material.
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Mower, Thomas E., Method of making a partially hydrolyzed fucoidan composition.
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Hammer, Klaus-Dieter; Koenig, Martina; Krams, Theo, Moulded articles of cellulose hydrate with enzymatically modified surface.
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Barredo, Donald; Graff, Pierre; Probst, Pierre, Multi-ply disintegratable absorbent sheet, associated roll and associated manufacturing process.
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Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Particle binders.
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Hansen Michael R. ; Young ; Sr. Richard H., Particle binders.
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Hansen Michael R. (Seattle WA) Young ; Sr. Richard H. (Renton WA), Particle binding to fibers.
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Lang,Frederick J.; Chang,Yihua; Chen,Franklin M. C.; Dellerman,Paige A.; Johnson,Eric D.; Lindsay,Jeffrey D.; Mumick,Pavneet S.; Pomplun,William S.; Rivera,Ligia A.; Schick,Kim G.; Schultz,Walter T.;, Pre-moistened wipe product.
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Fuqua Clark R. ; Thomas Ronald L. ; Gooding Charles H., Process for digesting cellulose containing solid wastes.
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Schumacher Karl-Heinz,DEX ; Hummerich Rainer,DEX ; Kirsch Howard Peter,DEX, Process for fiber recovery from bonded fiber webs.
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Takahashi Hidekazu (Chiba JPX) Yamada Kohji (Chiba JPX) Yanai Norimasa (Chiba JPX), Process for preparing biodegradable water-resistant film.
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Mower, Thomas E., Skin cleansing article.
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Mower, Thomas E., Solid dosage form for providing a dietary supplement.
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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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Branham, Kelly D.; Chang, Yihua; Lang, Frederick J.; McBride, Erin; Bunyard, Clay, Water-dispersible, cationic polymers, a method of making same and items using same.
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Branham, Kelly D.; Chang, Yihua; Lang, Frederick J.; McBride, Erin; Bunyard, Clay, Water-dispersible, cationic polymers, a method of making same and items using same.
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Chang, Yihua; Lang, Frederick J.; Wang, Kenneth Y.; Chen, Franklin M.; Branham, Kelly D.; Schick, Kim G.; Schultz, Walter T., Water-dispersible, cationic polymers, a method of making same and items using same.
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Chang,Yihua; Lang,Frederick J.; Branham,Kelly D.; McBride,Erin, Water-dispersible, cationic 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

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[미국특허] Enzymatically dispersible non-woven webs 원문보기