Patents by Inventor Laif R. Alden

Laif R. Alden 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).

  • Publication number: 20230405550
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions, air intake systems, and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems.
    Type: Application
    Filed: August 30, 2023
    Publication date: December 21, 2023
    Inventors: Wolfgang RUETTINGER, Steven CHIN, Laif R. ALDEN, Chen Chen, Akash ABRAHAM
  • Patent number: 11813586
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems. The hydrocarbon adsorptive coating compositions include particulate carbon having a BET surface area of at least about 1300 m2/g, and at least one of (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 ml/g and a mesopore volume greater than about 0.5 ml/g.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: November 14, 2023
    Assignee: BASF CORPORATION
    Inventors: Wolfgang Ruettinger, Laif R. Alden, Steven Chin, Akash Abraham, Christy Chen
  • Publication number: 20230356179
    Abstract: Disclosed in certain embodiments are systems for removing pollutants from an air flow, which may include a substrate and a catalyst-adsorbent material disposed on the substrate.
    Type: Application
    Filed: July 9, 2021
    Publication date: November 9, 2023
    Inventors: Mark Thomas BUELOW, Wolfgang RUETTINGER, Laif R. ALDEN, Gerard Diomede LAPADULA
  • Patent number: 11779900
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions, air intake systems, and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: October 10, 2023
    Assignee: BASF CORPORATION
    Inventors: Wolfgang Ruettinger, Steven Chin, Laif R. Alden, Chen Chen, Akash Abraham
  • Publication number: 20230243321
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 3, 2023
    Inventors: Chen Chen, Wolfgang Ruettinger, Steven Chin, Laif R. Alden, Akash Abraham
  • Patent number: 11624340
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems. The hydrocarbon adsorptive coating compositions include particulate carbon having a BET surface area of at least about 1300 m2/g, and at least one of (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 mug and a mesopore volume greater than about 0.5 ml/g.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: April 11, 2023
    Assignee: BASF CORPORATION
    Inventors: Chen Chen, Wolfgang Ruettinger, Steven Chin, Laif R Alden, Akash Abraham
  • Patent number: 11478773
    Abstract: A coated substrate (2a, 2b) adapted for hydrocarbon adsorption having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m2/g; and at least one of: (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 ml/g and a mesopore volume greater than about 0.5 ml/g. A bleed emission scrubber (1) and an evaporative emission control canister system (30) comprising the coated substrate (2a, 2b) are provided. They can control evaporative hydrocarbon emissions and may provide low diurnal breathing loss (DBL) emissions even under a low purge condition.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: October 25, 2022
    Assignee: BASF Corporation
    Inventors: Wolfgang Ruettinger, Laif R. Alden, Steven Wesley Chin, Akash Abraham, Chen Chen
  • Publication number: 20210387159
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems. The hydrocarbon adsorptive coating compositions include particulate carbon having a BET surface area of at least about 1300 m2/g, and at least one of (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 ml/g and a mesopore volume greater than about 0.5 ml/g.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Wolfgang Ruettinger, Laif R. Alden, Steven Chin, Akash Abraham, Christy Chen
  • Publication number: 20210245135
    Abstract: A coated substrate (2a, 2b) adapted for hydrocarbon adsorption having at least one surface, and a coating on the at least one surface, the coating comprising particulate carbon and a binder, wherein the particulate carbon has a BET surface area of at least about 1300 m2/g; and at least one of: (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 ml/g and a mesopore volume greater than about 0.5 ml/g. A bleed emission scrubber (1) and an evaporative emission control canister system (30) comprising the coated substrate (2a,2b) are provided. They can control evaporative hydrocarbon emissions and may provide low diurnal breathing loss (DBL) emissions even under a low purge condition.
    Type: Application
    Filed: July 12, 2019
    Publication date: August 12, 2021
    Inventors: Wolfgang Ruettinger, Laif R. Alden, Steven Wesley Chin, Akash Abraham, Chen Chen
  • Patent number: 10780397
    Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: September 22, 2020
    Assignee: BASF CORPORATION
    Inventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
  • Patent number: 10737218
    Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: August 11, 2020
    Assignee: BASF CORPORATION
    Inventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
  • Publication number: 20200147586
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions, air intake systems, and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems.
    Type: Application
    Filed: December 27, 2019
    Publication date: May 14, 2020
    Inventors: WOLFGANG RUETTINGER, STEVEN CHIN, LAIF R. ALDEN, CHEN CHEN, Akash Abraham
  • Publication number: 20200147592
    Abstract: A method for treating the waste stream from a purified terephthalic acid (PTA) process is provided. The method comprises contacting a waste stream containing carbon monoxide (CO), volatile organic compounds (VOCs), and methyl bromide with a catalyst comprising a first base metal catalyst supported on an oxygen donating support that is substantially free of alumina, and at least one second base metal catalyst.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 14, 2020
    Inventors: Laif R. Alden, Mark T. Buelow, Gerard D. Lapadula, Pascaline Harrison Tran, Tiep Pham, Howard Furbeck, Francis S. Romanski
  • Publication number: 20200018265
    Abstract: The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems. The hydrocarbon adsorptive coating compositions include particulate carbon having a BET surface area of at least about 1300 m2/g, and at least one of (i) a butane affinity of greater than 60% at 5% butane; (ii) a butane affinity of greater than 35% at 0.5% butane; (iii) a micropore volume greater than about 0.2 mug and a mesopore volume greater than about 0.5 ml/g.
    Type: Application
    Filed: August 7, 2019
    Publication date: January 16, 2020
    Inventors: Christy Chen, Wolfgang Ruettinger, Steven Chin, Laif R Alden, Akash Abraham
  • Publication number: 20190143270
    Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
  • Patent number: 10183252
    Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst. The preferred catalyst composition is a combination of manganese oxide and copper oxide.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: January 22, 2019
    Assignee: BASF Corporation
    Inventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
  • Publication number: 20170333842
    Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst. The preferred catalyst composition is a combination of manganese oxide and copper oxide.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 23, 2017
    Inventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
  • Publication number: 20140255284
    Abstract: A catalyst for oxidizing carbon monoxide (CO), volatile organic compounds (VOCs), and methyl bromide (CH3Br) is provided. The catalyst comprises a first base metal catalyst supported on an oxygen donating support that is substantially free of alumina, and at least one second base metal catalyst. Also provided is a method for treating the waste stream from a purified terephthalic acid (PTA) process, the method comprising contacting a waste stream containing carbon monoxide (CO), volatile organic compounds (VOCs), and methyl bromide with a catalyst comprising a first base metal catalyst supported on an oxygen donating support that is substantially free of alumina, and at least one second base metal catalyst.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 11, 2014
    Applicant: BASF Corporation
    Inventors: Laif R. Alden, Mark T. Buelow, Gerard D. Lapadula, Pascaline Harrison Tran, Tiep Pham, Howard Furbeck, Francis S. Romanski
  • Patent number: 8372477
    Abstract: A method of adhering a particulate material, such as a hydrocarbon adsorbent material and/or a catalytic material, to a plastic surface, and products comprising the adhered material are disclosed.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: February 12, 2013
    Assignee: BASF Corporation
    Inventors: Mark T. Buelow, Laif R. Alden, John Kauffman, John J. Steger, William McMaster, Zhenguo Liu, Raghuram Gummaraju
  • Publication number: 20100316538
    Abstract: A method of adhering a particulate material, such as a hydrocarbon adsorbent material and/or a catalytic material, to a plastic surface, and products comprising the adhered material are disclosed.
    Type: Application
    Filed: June 3, 2010
    Publication date: December 16, 2010
    Applicant: BASF Corporation
    Inventors: Mark T. Buelow, Laif R. Alden, John Kauffman, John J. Steger, William McMaster, Zhenguo Liu, Raghuram Gummaraju