[특허]Bacteriostatic filter media

Bacteriostatic filter media 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-037/02
출원번호	US-0187459 (1980-09-15)
발명자 / 주소	Beauman William H. (Chicago IL) Regunathan P. (Villa Park IL) Prepejchal Dennis I. (Woodridge IL)
출원인 / 주소	Everpure, Inc. (Westmont IL 02)
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록 ▼

Improved bacteriostatic filter media mixture comprising specially treated, dried, silver-bearing, highly purified, inert material in particulate or fibrous form, such as cellulose fibers, mixed with specific proporations of powdered, activated carbon filter material. Bacterial growth in and on the filter media is inhibited by silver ions slowly eluted or dissolved from the segregated, silver-treated cellullose fibers uniformly interspersed among the carbon filter material. The treated cellulose in the mixed filter media is in an amount sufficient to provide overall filter bacteriostatic effect to passs EPA Office of Pesticides Regulations FR 41:152 for home water filtration use, and to have improved coliform bacteria suppression after stagnant periods. Adsorptive and precoatability properties of the carbon are not inhibited, and carbon densification, leading to fall-off, does not occur.

대표청구항 ▼

A bacteriostatic water filtration media composition for use on the inlet side of precoat type water filters having a filter element on which said filtration media becomes coated in operation: (a) a first, adsorbent component comprising a powdered activated carbon filter material; (b) a second, silver-providing component, comprising an inert, water-insoluble, non-toxic, precoatable, fibrous material impregnated with 1 to 5 weight percent (on a dry basis) of elemental silver formed from reduction of an inorganic silver salt; (c) said second, elemental silver-providing component being intimately and uniformly dispersed within said first, adsorbent component to form said water filtration media composition; (d) said second, elemental silver-providing component being present in said composition in a range of from 1 to 10 percent by weight on a dry basis to provide bacteriostatic effect throughout the entire filtration media for the life of the filter; (e) said second component providing upon contact of water therewith slow release by dissolution of said elemental silver therefrom and dispersion of said dissolved elemental silver throughout said composition permitting said dissolved elemental silver to be effectively present in association with the carbon of said filtration media composition to provide said bacteriostatic effect during rest and during water flow throughout the entire filtration media thereby reducing the rate of plugging the filter element by bacterial growth; and (f) said media composition of said elemental silver-providing second component dispersed in said first adsorbent component having the properties of: (i) precoatability on the inlet side of a water filtration surface without: (a) inhibiting carbon adsorptive properties, or (b) causing densification of said carbon to promote precoat fall-off from said filtration surfaces (ii) inhibiting in-situ propagation of bacteria internal to the filter during stagnant periods resulting in reduction in bacterial growth through the filter element to the outlet side and elution of bacteria therefrom upon restart of water flow; and (iii) elution of less than 50 ppb of total silver during the life of the filter.

이 특허를 인용한 특허 (40)

Totani Tuyoshi (Tokyo JPX) Yamamoto Tatuo (Inazawa JPX) Kurihara Yasuo (Nagoya JPX), Antibacterial material for water.
상세보기
Karl Fritze, Cartridge adapter.
상세보기
Karl Fritze, Cartridge adapter.
상세보기
Harvey, Anthony Reid, Ceramic water purification device.
상세보기
Heinig ; Jr. Charles F. (Warwick RI), Composition for bactericidal treatment of water.
상세보기
Bryan E. Kepner ; Eric A. Mintz, Compositions containing a biocidal compound or an adsorbent and/or catalyst compound and methods of making and using therefor.
상세보기
Fritze, Karl, Filter assembly.
상세보기
Fritze, Karl, Filter assembly.
상세보기
Reid Roger P. (Caldwell ID) Christiansen Lance J. (Caldwell ID), Filter assembly with automatic shut-off and quick-connect filter cartridge.
상세보기
Reid Roger P. ; Christiansen Lance J. ; Stockton Warren D., Filter assembly with automatic shut-off and quick-connect filter cartridge.
상세보기
Levy, Ehud, Flow connector for connecting screw-type filtration head to lug-type sump.
상세보기
Bassett, Laurence W.; Contaxis, III, William; Taylor, Bruce G.; Carbo, David A., Keyed filter assembly.
상세보기
Johal, Sarjit, Method for drying spent filter media.
상세보기
Johal, Sarjit, Method for drying spent filter media.
상세보기
Johal, Sarjit, Method for drying spent filter media.
상세보기
Batts Gregory N.,GBX ; Moore Christopher P.,GBX ; Leeming Karen,GBX, Method for inhibiting the growth of microorganisms in an aqueous medium.
상세보기
Mitchell, Michael Donovan; Collias, Dimitris Ioannis; Bjorkquist, David William; Zaveri, Piyush Narendra; Woolley, Matthew Morgan, Methods for treating water.
상세보기
Mitchell, Michael Donovan; Collias, Dimitris Ioannis; Bjorkquist, David William; Zaveri, Piyush Narendra; Woolley, Matthew Morgan, Methods for treating water.
상세보기
Mitchell, Michael Donovan; Collias, Dimitris Ioannis; Bjorkquist, David William; Zaveri, Piyush Narendra; Woolley, Matthew Morgan, Methods of treating water.
상세보기
Levy, Ehud; Tadlock, John W.; Wang, Peter, Modular fluid purification system and components thereof.
상세보기
Tadlock,John W., Modular fluid treatment apparatus.
상세보기
Reid, Roger P., Pressure vessel and recyclable filter cartridge.
상세보기
Reid,Roger P., Pressure vessel and recyclable filter cartridge.
상세보기
Reid, Roger P., Recycle filter cartridge and pressure vessel.
상세보기
Bassett,Laurence W.; Contaxis, III,William; Tubby,Brian, Rotary valve assembly for fluid filtration system.
상세보기
Denkewicz ; Jr. Raymond P. ; Rafter John D. ; Bollinger Mark A., Self-regulating water purification composition.
상세보기
Burton, Scott A.; Holm, David R., Silver coatings and methods of manufacture.
상세보기
Denkewicz ; Jr. Raymond P. ; Rafter John D. ; Bollinger Mark A. ; Grenier Joseph W. ; Souza Therese R., Silver self-regulating water purification compositions and methods.
상세보기
Burton, Scott A.; Holm, David R., Silver-containing antimicrobial articles and methods of manufacture.
상세보기
Burton, Scott A.; Holm, David R., Silver-containing antimicrobial articles and methods of manufacture.
상세보기
LeMire George J. (57 South St. Plainville MA 02762) Heinig ; Jr. Charles F. (665 Main Ave. Warwick RI 02886) LeMire Edward A. (159 Jordan Ave. Cranston RI 02910), System and method for water purification.
상세보기
Marcus Donald McLeod, Water filter cartridge having a proportional flow feeder.
상세보기
Mitchell, Michael Donovan; Collias, Dimitris Ioannis; Bjorkquist, David William; Zaveri, Piyush Narendra; Woolley, Matthew Morgan, Water filter materials and water filters and processes for using the same.
상세보기
Bahm, Jeannine Rebecca; Pearks, Andrew Thomas; Vidal, Guillermo Matias; Collias, Dimitris Ioannis; Mitchell, Michael Donovan; Astle, Robert E.; Faye, Katharine L. K.; Governal, Robert Andrew; Hamlin, Thomas J.; Lucht, Rebecca A.; Patel, Hemang, Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles.
상세보기
Bahm, Jeannine Rebecca; Pearks, Andrew Thomas; Vidal, Guillermo Matias; Collias, Dimitris Ioannis; Mitchell, Michael Donovan; Astle, Robert E.; Faye, Katharine L. K.; Governal, Robert Andrew; Hamlin, Thomas J.; Lucht, Rebecca A.; Patel, Hemang, Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles.
상세보기
Mitchell, Michael Donovan; Collias, Dimitris Ioannis; Bjorkquist, David William; Zaveri, Piyush Narendra; Woolley, Matthew Morgan, Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same.
상세보기
Mitchell, Michael Donovan; Collias, Dimitris Ioannis; Bjorkquist, David William; Zaveri, Piyush Narendra; Woolley, Matthew Morgan, Water filter materials, water filters and kits containing silver coated particles and processes for using the same.
상세보기
Shaw, Mark D.; Heyman, J. Tad, Water purification method.
상세보기
Shaw, Mark D.; Heyman, J. Tad, Water purification system.
상세보기
Tanner, John D.; Emmons, David James; Riedel, Richard P.; Mitchell, Michael Donovan; Collias, Dimitris Ioannis, Water treating methods.
상세보기

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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Bacteriostatic filter media 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (40)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

연합인증

Bacteriostatic filter media 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (40)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트