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公开(公告)号：US20210040321A1
公开(公告)日：2021-02-11
申请号：US17078477
申请日：2020-10-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Naiyong Jing , Kevin D. Landgrebe , Ryan T. Woldt , Wensheng Xia , Timothy J. Nies
IPC: C08L79/02 , C09D179/02 , C08G73/02 , C08L33/08
Abstract: Compositions include a compound preparable by reaction of components comprising an optionally crosslinked polyethylenimine and at least one an amine-reactive hydrolyzable organosilane represented by the formula R—Z—SiY3. R represents an amine-reactive group containing 1 to 18 carbon atoms; Z represents a divalent organic group containing 1 to 8 carbon atoms; and each Y independently represents a hydrolyzable group. Methods of using the compositions to make articles, and articles produces thereby are also disclosed. A composition comprising an intimate mixture of a crosslinked polyethylenimine and a polymeric binder material, and a method of making it is also disclosed.
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公开(公告)号：US10792383B2
公开(公告)日：2020-10-06
申请号：US16096776
申请日：2017-04-25
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Naiyong Jing , Ryan T. Woldt , Wensheng Xia , Kevin D. Landgrebe , Timothy J. Nies , Bryan A. Baker , Semra Colak Atan , Gary W. Jorgensen , Giuseppe M. Bommarito , David P. Swanson , George W. Griesgraber , Ranjani V. Parthasarathy
IPC: A61L2/00 , A61L9/00 , B08B7/00 , B08B9/04 , A61L2/18 , A61L2/28 , A01N35/02 , A01N33/02 , C12Q1/22
Abstract: A method of disinfecting a medical device comprises three steps. First, a disinfectant is contacted with a process indicator and the medical device. The disinfectant comprises at least one aldehyde. The process indicator contains a synthetic amine-containing compound disposed on a substrate. The synthetic amine-containing compound comprises at least one of primary amino groups or secondary amino groups, and is reactive with the disinfectant to form at least one adduct. The synthetic amine-containing compound and the medical device are in fluid communication through the disinfectant. A predetermined disinfectant exposure criterion exists for contacting the disinfectant with the medical device. Second, the process indicator is spectrally observed and at least one parameter is obtained therefrom that is predictive of the predetermined disinfectant exposure criterion. The third step is determining that the predetermined disinfectant exposure criterion has been achieved.
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公开(公告)号：US10736982B2
公开(公告)日：2020-08-11
申请号：US16066933
申请日：2017-01-13
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Wensheng Xia , Sarah J. Davis
IPC: G01N31/22 , A61L2/28 , A61L2/07 , C09D11/50 , C09D11/037 , C09D11/107
Abstract: Water-based formulations comprising an indicating composition dispersed in water are described. The water-based indicating compositions include an organic Bi(III) compound, a sulfur source, a carbonate salt, and strontium hydroxide. Formulations further including a resin and/or an acidic additive are also described.
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公开(公告)号：US09765293B2
公开(公告)日：2017-09-19
申请号：US14415744
申请日：2013-07-22
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Jie J. Liu , Wensheng Xia
CPC classification number: C12N1/20 , C12N1/14 , C12N1/16 , C12N2500/46 , C12N2500/60
Abstract: A method of making a flowable, dried agglomerated nutrient medium is provided. The method comprises introducing a nutrient component comprising a powdered nutrient, and an agglomeration liquid, into an agglomerator comprising a flow-through-type agglomeration chamber, wet-massing the nutrient component with the agglomeration liquid in the agglomeration chamber for a predetermined period of time to form agglomerated nutrient medium particles, and exposing the agglomerated nutrient medium particles to drying conditions for a period of time to form the dried, agglomerated nutrient medium. The nutrient component facilitates the growth of a microorganism. Compositions, articles, and kits comprising the flowable, dried agglomerated nutrient medium are also provided.
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公开(公告)号：US20230041965A1
公开(公告)日：2023-02-09
申请号：US17758719
申请日：2021-02-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Neil Percy , Wensheng Xia , Adam J. Stanenas
Abstract: A culture device comprising an oxygen sensitive luminophore, typically an oxygen sensitive phosphor, such as a porphyrin, and methods of use for culturing and enumerating microorganisms
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Patent Agency Ranking
公开(公告)号：US11484614B2
公开(公告)日：2022-11-01
申请号：US16911944
申请日：2020-06-25
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Wensheng Xia , Sarah J. Davis
IPC: G01N31/22 , A61L2/28 , A61L2/07 , C09D11/50 , C09D11/037 , C09D11/107
Abstract: Water-based formulations comprising an indicating composition dispersed in water are described. The water-based indicating compositions include an organic Bi(III) compound, a sulfur source, a carbonate salt, and strontium hydroxide. Formulations further including a resin and/or an acidic additive are also described.
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公开(公告)号：US20220031900A1
公开(公告)日：2022-02-03
申请号：US17309502
申请日：2019-12-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Kevin D. Landgrebe , G. Marco Bommarito , Wensheng Xia , Timothy A. Kohman , Timothy J. Nies , Nicholas R. Powley
IPC: A61L2/28
Abstract: A system for assessing efficacy of a sterilization process is disclosed. The system includes a biological indicator, a receptacle configured to receive the biological indicator, an actuator mechanism, and a sensing system operatively coupled to the actuator mechanism. A method of using the system for assessing efficacy of a sterilization process is also disclosed.
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公开(公告)号：US10131930B2
公开(公告)日：2018-11-20
申请号：US15185792
申请日：2016-06-17
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Patrick A. Mach , Raj Rajagopal , Wensheng Xia , Jinsheng Zhou , Chunmei Guo
IPC: C12Q1/04 , B01J20/26 , B01D69/10 , C12Q1/24 , B01D63/00 , C12Q1/689 , G01N33/68 , B01D69/02 , B01J20/28
Abstract: A method of filtering a liquid sample that includes passing a sample comprising at least one biological organism through a filter membrane at a passive water volume flux of at least 10 L/m2·h·psi, wherein the filter membrane comprises a Bubble Point pore size of no more than 1.0 μm, thereby retaining at least one biological organism on the surface of the membrane; and detecting the at least one biological organism retained on the surface of the filter membrane.
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公开(公告)号：US09784653B2
公开(公告)日：2017-10-10
申请号：US15018436
申请日：2016-02-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Wensheng Xia , Jon A. Kirschhoffer , Andrew W. Rabins
CPC classification number: G01N1/30 , B01L3/502 , B01L3/5023 , B01L3/50255 , B01L2200/026 , B01L2200/028 , B01L2200/10 , B01L2300/0681 , B01L2300/069 , B01L2300/0832 , B01L2300/0861 , B01L2300/0887 , B01L2400/049 , C12N15/1017 , G01N1/34
Abstract: A first apparatus for processing a liquid sample is disclosed. The apparatus includes a sample-receiving, a filtrate-receiving component, and an analyte-capture element. The apparatus forms a liquid flow path through which the sample passes, thereby causing the analyte-capture element to capture an analyte, if present. A method is disclosed whereby a liquid sample is passed through the first apparatus and the analyte-capture element is easily separated from the apparatus for further processing and detection of the analyte. A structurally-related second apparatus for processing a plurality of liquid samples, and a corresponding method of use, also is disclosed.
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公开(公告)号：US20150118705A1
公开(公告)日：2015-04-30
申请号：US14405012
申请日：2013-05-24
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Jon A. Kirschhoffer , Andrew H. Tilstra , Wensheng Xia
CPC classification number: C12Q1/04 , B01L3/5023 , B01L2200/026 , B01L2200/04 , B01L2300/0609 , B01L2300/0825 , B01L2300/0877 , C12Q1/24
Abstract: An apparatus and an assembly for processing a sample are provided. The apparatus comprises a plurality of spaced-apart reservoirs, a plurality of channels, and a plurality of outlets, each outlet comprising an effluent discharge opening. The apparatus forms a plurality of flow paths, each flow path comprising a reservoir, a channel, and an outlet. An analyte capture element can be slideably engaged in a channel in a position where it is in fluid communication with the flow path. The apparatus with the analyte capture element disposed in the flow path can be used to process a liquid sample. A method of detecting an analyte in the liquid sample is also provided.
Abstract translation: 提供了一种用于处理样品的装置和组件。 该装置包括多个间隔开的储存器，多个通道和多个出口，每个出口包括流出物排出口。 该装置形成多个流动路径，每个流动路径包括储存器，通道和出口。 分析物捕获元件可以在其与流动路径流体连通的位置中可滑动地接合在通道中。 具有设置在流路中的分析物捕捉元件的装置可用于处理液体样品。 还提供了检测液体样品中的分析物的方法。
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