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특허 상세정보

Filtering unit for biological fluids

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-035/02   
미국특허분류(USC) 210/232 ; 210/474 ; 210/4973 ; 210/927
출원번호 US-0147032 (1980-05-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 40  인용 특허 : 3
초록

Herein is described a filtering unit for biological fluids. The filtering unit is composed of an open top container, a cover for the container, a filter which is in contact with the cover and extends downwardly into the container and an aperture in the cover through which the filtered fluid is withdrawn. The filtering unit provides a sample of the filtered fluid using an inexpensive apparatus and can be used by unskilled operators.

대표
청구항

A filter unit adapted for reverse filtration of a liquid sample comprising a container with an open top defining a chamber for receiving a liquid sample to be filtered; cover means for closing the top of the container; a conical filter element, disposed within said chamber and extending below the cover means, forming an inner chamber defined by the inner surfaces of the filter element and the cover means; means independent of said container and associated with the cover means and cooperating with the upper rim of the filter element for maintaining the fi...

이 특허를 인용한 특허 피인용횟수: 40

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  7. Winkler, Karl T.. Beverage cartridge. USP2011100647399.
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  14. Kamerbeek, Ralf; Koeling, Hendrik Cornelis; Biesheuvel, Arend Cornelis Jacobus. Capsule for containing beverage ingredients. USP2017119815616.
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  17. Kamerbeek, Ralf; Flamand, John Henri; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis; Biesheuvel, Arend Cornelis Jacobus. Capsule, system and method for preparing a predetermined quantity of beverage suitable for consumption. USP2018049944456.
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  20. Kamerbeek, Ralf; van Bergen, Cornelis; van Loon-Post, Angenita Dorothea; Koeling, Hendrik Cornelis. Capsule, system and method for the preparation of a beverage and a method for manufacturing such a capsule. USP2017059656798.
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