Patents by Inventor Michael S. Wendland

Michael S. Wendland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11951226
    Abstract: An ethylene oxide sterilization sensor, and method of use, wherein the sensor includes: a heat-shrinkable film; an acid-functional porous sorbent in thermal contact with the heat-shrinkable film; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5, wherein the acid is impregnated in or covalently attached to the porous sorbent.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 9, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Michael W. Kobe, Michael S. Wendland, Kelvin J. Witcher, Richard C. Webb
  • Publication number: 20220390399
    Abstract: The present disclosure provides a hydrogen peroxide sterilization sensor and method of use. The sensor includes: at least one thermal indicator component independently selected from an electronic thermal sensor, an irreversible temperature indicator, and a heat-shrinkable film; a reactant-functional porous sorbent in thermal contact (which may or may not be direct physical contact) with the at least one thermal indicator component; and a reactant comprising a material that reacts exothermically with hydrogen peroxide. The reactant is impregnated in the porous sorbent. The method includes: providing a hydrogen peroxide sterilization sensor; allowing hydrogen peroxide to contact the reactant to generate thermal energy sufficient to cause a response from the at least one thermal indicator component; and detecting that conditions for the hydrogen peroxide sterilization have been met.
    Type: Application
    Filed: April 4, 2022
    Publication date: December 8, 2022
    Inventors: Michael W. Kobe, Michael S. Wendland, Richard C. Webb, Michael E. Hamerly, Giuseppe Marco Bommarito
  • Publication number: 20220390400
    Abstract: The present disclosure provides an ammonia sensor and method of use. The sensor includes: at least one thermal indicator component independently selected from an electronic thermal sensor, an irreversible temperature indicator, and a heat-shrinkable film; an acid-functional porous sorbent in thermal contact with the at least one thermal indicator component; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5. The acid is impregnated in or covalently attached to the porous sorbent. The method includes: placing an ammonia sensor in contact with a container holding a volume of ammonia; and monitoring the ammonia sensor for a detectable response from the at least one thermal indicator component due to contact of ammonia with the acid that generates thermal energy sufficient to cause the response.
    Type: Application
    Filed: March 30, 2022
    Publication date: December 8, 2022
    Inventors: Michael S. Wendland, Michael W. Kobe, Richard C. Webb, Michael E. Hamerly
  • Publication number: 20220387653
    Abstract: The present disclosure provides an ethylene oxide sterilization sensor and method of use. The sensor includes: at least one thermal indicator component independently selected from an electronic thermal sensor, an irreversible temperature indicator, and a heat-shrinkable film; an acid-functional porous sorbent or an acid-functional nonwoven fibrous substrate in thermal contact with the at least one thermal indicator component; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5. The acid is impregnated in or covalently attached to the porous sorbent or is covalently attached to the nonwoven fibrous substrate. The sensor includes at least one of the electronic thermal sensor, the irreversible temperature indicator, or the acid-functional nonwoven fibrous substrate.
    Type: Application
    Filed: March 30, 2022
    Publication date: December 8, 2022
    Inventors: Michael W. Kobe, Michael S. Wendland, Richard C. Webb, Michael E. Hamerly, Daniel J. O'Neal, Kelvin J. Witcher, Dawud H. Tan, Daniel J. Zillig
  • Publication number: 20220258128
    Abstract: Polymeric sorbents for aldehydes including formaldehyde and acetaldehyde are provided. More particularly, the polymeric sorbents are sulfonic acid-containing polymeric materials with impregnated urea-based compounds. Additionally, methods of making the polymeric sorbent, methods of sorbing aldehydes (i.e., aldehydes that are volatile under use conditions) on the polymeric sorbents, compositions resulting from the sorption of aldehydes on the polymeric sorbents, and filters containing the polymeric sorbents are provided.
    Type: Application
    Filed: August 7, 2020
    Publication date: August 18, 2022
    Inventors: Michael S. Wendland, Himanshu Jasuja, Michael W. Kobe
  • Patent number: 11400433
    Abstract: Composite granules that include metal-containing polymeric materials, and composite granules that include metal complex-containing polymeric materials are provided. The polymeric materials are divinylbenzene/maleic anhydride polymers, partially hydrolyzed divinylbenzene/maleic anhydride polymers, or fully hydrolyzed divinylbenzene/maleic anhydride polymers. Additionally, methods of using the composite granules that include metal-containing polymeric materials to capture volatile, basic nitrogen-containing compounds and methods of using composite granules that include zinc-containing polymeric material to detect the presence of water vapor are provided.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: August 2, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Michael S. Wendland, Michael W. Kobe, Duane D. Fansler, Matthew A. Rankin
  • Publication number: 20220165242
    Abstract: Provided are acoustic articles, and related methods, that include a porous layer and heterogeneous filler received in the porous layer. The heterogeneous filler can include clay, diatomaceous earth, graphite, glass bubbles, polymeric filler, non-layered silicate, plant-based filler, or a combination thereof, and can have a median particle size of from 1 micrometer to 1000 micrometers and a specific surface area of from 0.1 m2/g to 800 m2/g. The acoustic article can have an overall flow resistance of from 100 MKS Rayls to 8000 MKS Rayls. The acoustic articles can serve as acoustic absorbers, vibration dampers, and/or acoustic and thermal insulators.
    Type: Application
    Filed: April 13, 2020
    Publication date: May 26, 2022
    Inventors: Michelle M. MOK, Michael R. BERRIGAN, Nicole D. PETKOVICH, Jonathan H. ALEXANDER, Michael S. WENDLAND, Seungkyu LEE, Hassan SAHOUANI
  • Patent number: 11298681
    Abstract: A sorbent suitable for sorbing aldehydes includes acidified zeolite impregnated with a urea-based compound, the acidified zeolite having a pore opening of 5 ? or greater and a molar ratio of silicate to aluminate of at least 1.1:1. The sorbent may be prepared by impregnating acidified zeolite with a solution of a urea-based compound, where the acidified zeolite includes proton counterions. The sorbent may be supported on a filter support to provide an air filter.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: April 12, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Himanshu Jasuja, Michael S. Wendland, Michael W. Kobe
  • Patent number: 11278832
    Abstract: An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent particles are the reaction product of a hydrolyzed divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound, with the nitrogen-containing compound being ionically attached to the hydrolyzed divinylbenzene/maleic anhydride.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Himanshu Jasuja, Michael W. Kobe, Michael S. Wendland
  • Publication number: 20210362128
    Abstract: A sorbent suitable for sorbing aldehydes includes acidified zeolite impregnated with a urea-based compound, the acidified zeolite having a pore opening of 5 ? or greater and a molar ratio of silicate to aluminate of at least 1.1:1. The sorbent may be prepared by impregnating acidified zeolite with a solution of a urea-based compound, where the acidified zeolite includes proton counterions. The sorbent may be supported on a filter support to provide an air filter.
    Type: Application
    Filed: February 26, 2019
    Publication date: November 25, 2021
    Inventors: Himanshu Jasuja, Michael S. Wendland, Michael W. Kobe
  • Patent number: 11179698
    Abstract: Polymeric sorbents for carbon dioxide are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The nitrogen-containing compound is covalently attached to the polymeric sorbents. Additionally, methods of sorbing carbon dioxide on the polymeric sorbents and compositions resulting from sorbing carbon dioxide on the polymeric sorbents are provided. The polymeric sorbents typically are porous and can selectively remove carbon dioxide from other gases such as methane or hydrogen.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 23, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael S. Wendland, Michael W. Kobe
  • Publication number: 20210346832
    Abstract: An air filter including a filter support that supports porous, polymeric sorbent particles that comprise a divalent metal impregnated therein.
    Type: Application
    Filed: July 22, 2021
    Publication date: November 11, 2021
    Inventors: Michael S. Wendland, Derek M. Maanum, Michael W. Kobe, Austin D. Groth
  • Patent number: 11103822
    Abstract: An air filter including a filter support that supports porous, polymeric sorbent particles that comprise a divalent metal impregnated therein.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: August 31, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael S. Wendland, Derek M. Maanum, Michael W. Kobe, Austin D. Groth
  • Publication number: 20210205780
    Abstract: Polymeric sorbents for carbon dioxide are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The nitrogen-containing compound is covalently attached to the polymeric sorbents. Additionally, methods of sorbing carbon dioxide on the polymeric sorbents and compositions resulting from sorbing carbon dioxide on the polymeric sorbents are provided. The polymeric sorbents typically are porous and can selectively remove carbon dioxide from other gases such as methane or hydrogen.
    Type: Application
    Filed: December 15, 2016
    Publication date: July 8, 2021
    Applicant: 3M Innovative Properties Company
    Inventors: Michael S. WENDLAND, Michael W. KOBE
  • Patent number: 11045787
    Abstract: Composite granules that contain a binder and a polymeric sorbent material for capturing aldehydes such as formaldehyde are provided. Additionally, methods of making the composite granules, methods of using the composite granules to capture aldehydes, and compositions formed by reacting the composite granules with aldehydes are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. Aldehydes can react with the nitrogen-containing groups.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: June 29, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael W. Kobe, Michael S. Wendland
  • Publication number: 20210154347
    Abstract: An ethylene oxide sterilization sensor, and method of use, wherein the sensor includes: a heat-shrinkable film; an acid-functional porous sorbent in thermal contact with the heat-shrinkable film; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5, wherein the acid is impregnated in or covalently attached to the porous sorbent.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 27, 2021
    Inventors: Michael W. Kobe, Michael S. Wendland, Kelvin J. Witcher, Richard C. Webb
  • Patent number: 11014070
    Abstract: Composite granules that contain a binder and polymeric sorbent materials for capturing reactive gases are provided. Additionally, methods of making the composite granules and methods of using the composite granules to capture reactive gases, and compositions formed by exposing the composite granules to reactive gases are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. The reactive gases undergo an acid-base reaction with the nitrogen-containing groups.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: May 25, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael W. Kobe, Michael S. Wendland
  • Patent number: 11000827
    Abstract: An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent is the reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The air filter may be used for capturing e.g. reactive gases.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: May 11, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Derek M. Maanum, Michael S. Wendland, Michael W. Kobe, Austin D. Groth, Neal A. Rakow
  • Patent number: 10967358
    Abstract: Composite granules that contain a binder and a polymeric sorbent material for capturing aldehydes such as formaldehyde are provided. Additionally, methods of making the composite granules, methods of using the composite granules to capture aldehydes, and compositions formed by reacting the composite granules with aldehydes are provided. The polymeric sorbent material included in the composite granules is a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. This reaction results in the formation of nitrogen-containing groups that are covalently attached to the polymeric sorbent. Aldehydes can react with the nitrogen-containing groups.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: April 6, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael W. Kobe, Michael S. Wendland
  • Patent number: 10968332
    Abstract: A compound represented by formula: and a treated filler having the compound on at least a portion of its surface. R is hydrogen or alkyl. X is alkylene, arylalkylene, or alkylarylene, each optionally interrupted by at least one of an ether, thioether, amine, amide, ester, thioester, carbonate, thiocarbonate, carbamate, thiocarbamate, urea, or thiourea, with alkylene optionally interrupted by arylene. W is hydroxyl, a sulfonic acid group, a phosphonic acid group, carboxylic acid group, —NHR1, epoxy, or —Si(Y)x(Z)3-x. Y is alkyl, aryl, arylalkylenyl, or alkylarylenyl. Z is halide, hydroxyl, alkoxy, aryloxy, acyloxy, polyalkyleneoxy, —O— covalently bonded to the surface of the filler, or —O bonded to another silicon atom, and x is 0 or 1. A composition including the treated filler, a method of making the treated filler, and a method of determining the degree of cure of a curable polymeric resin are also disclosed.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: April 6, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Mark F. Schulz, Michael S. Wendland