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  • FILTER MEDIA COMPRISING ELASTOMERIC FIBERS
    Publication number: 20200368654
    Abstract: Filter media comprising one or more layers comprising nanofibers are generally described. In some embodiments, a filter media comprises a layer comprising nanofibers. The nanofibers may comprise an elastomer, a multiblock copolymer, and/or a multiblock copolymer that is an elastomer.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 26, 2020
    Applicant: Hollingsworth & Vose Company
    Inventors: Keith Higginson, Sneha Swaminathan
  • FILTER MEDIA INCLUDING OUT-OF-PLANE SOLID ELEMENTS, METHODS OF FORMING THEM, AND USES THEREOF
    Publication number: 20210308609
    Abstract: Filter media including out-of-plane solid elements are generally described. Inventive methods of forming them and uses thereof are also described.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 7, 2021
    Applicant: Hollingsworth & Vose Company
    Inventors: Mark Rowlands, James M. Witsch, Wei Mu, Stephan Daus
  • EMBOSSED SEPARATORS
    Publication number: 20210249640
    Abstract: Battery separators comprising embossments are generally provided. The embossments may take the form of indentations formed in a surface of the battery separator, such as indentations formed by an embossing process. The embossments may comprise intersections with a first edge and a second edge of the battery separator, which may be the same or different.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 12, 2021
    Applicant: Hollingsworth & Vose Company
    Inventor: Zhiping Jiang
  • MELTBLOWN FILTER MEDIUM, RELATED APPLICATIONS AND USES
    Publication number: 20100000411
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 7, 2010
    Applicant: Hollingsworth & Vose Company
    Inventors: John A. Wertz, David T. Healey, William S. Freeman, John L. Manns, Mark Rowlands
  • FILTER MEDIA INCLUDING FIBERS COMPRISING A MATRIX POLYMER AND IMPACT MODIFIER, AND RELATED METHODS
    Publication number: 20230149839
    Abstract: Filter media including fibers comprising a matrix polymer and impact modifier, and related methods, are generally described.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 18, 2023
    Applicant: Hollingsworth & Vose Company
    Inventors: Praveen Kumar Yegya Raman, Keith Higginson, Shania Evangelista, Amsarani Ramamoorthy, Kevin Clark, Bryan Douglas Dickerson
  • FILTER MEDIA INCLUDING GLASS FIBERS
    Publication number: 20120160104
    Abstract: The present disclosure generally relates to filter media including glass fibers. The fiber characteristics (e.g., composition, dimensions) are selected to impart the desired solubility, filtration and mechanical properties so that the filter media may be used in the desired application.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 28, 2012
    Applicant: Hollingsworth & Vose Company
    Inventor: Yuri Vulfson
  • BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF
    Publication number: 20130071735
    Abstract: The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Applicant: Hollingsworth & Vose Company
    Inventors: John Wertz, Christopher Campion
  • Meltblown filter medium
    Patent number: 8608817
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: December 17, 2013
    Assignee: Hollingsworth & Vose Company
    Inventors: John A. Wertz, David Thomas Healey, William S. Freeman, John L. Manns, Mark Rowlands
  • BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF
    Publication number: 20130071734
    Abstract: The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Applicant: Hollingsworth & Vose Company
    Inventors: John Wertz, Christopher Campion, Rene Gargan, John Windisch
  • HIGH EFFICIENCY FILTER MEDIA
    Publication number: 20230330585
    Abstract: Articles and methods involving filter media are generally provided. In certain embodiments, a filter media has a design and/or comprises one or more layers that enhances its efficiency and/or performance.
    Type: Application
    Filed: April 14, 2022
    Publication date: October 19, 2023
    Applicant: Hollingsworth & Vose Company
    Inventors: Amsarani Ramamoorthy, Siqiang Zhu, Shania Evangelista, Bryan Douglas Dickerson, Kevin Clark, Praveen Kumar Yegya Raman, Keith Higginson
  • BATTERY SEPARATORS COMPRISING RIBS
    Publication number: 20240021957
    Abstract: Battery separators comprising ribs are generally described. In some embodiments, the ribs have one or more features that enhance the performance of the battery separator.
    Type: Application
    Filed: December 6, 2021
    Publication date: January 18, 2024
    Applicant: Hollingsworth & Vose Company
    Inventors: Mahadevaswamy Kodimole Mahadevappa, Girisha Basavaraju, Krishna Marchigowda, Kameswara Rao Patchigolla Venkata, Nagendra Anantharamaiah, Ganesha Maduvinakodi Narasimhamurthy, Manu Patel Mruthunjayappa
  • Filter media including glass fibers
    Patent number: 8709120
    Abstract: The present disclosure generally relates to filter media including glass fibers. The fiber characteristics (e.g., composition, dimensions) are selected to impart the desired solubility, filtration and mechanical properties so that the filter media may be used in the desired application.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 29, 2014
    Assignee: Hollingsworth & Vose Company
    Inventor: Yuri Vulfson
  • FILTER MEDIA WITH FIBRILLATED FIBERS
    Publication number: 20150321124
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Application
    Filed: April 13, 2015
    Publication date: November 12, 2015
    Applicant: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz
  • Sheet material containing exfoliated vermiculite
    Patent number: 4271228
    Abstract: Flexible sheet material adapted for use as heat resistant gaskets, heat insulation, eletrical insulation and support media in the form of a bonded fibrous web containing vermiculite, organic fibers and binder material.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: June 2, 1981
    Assignee: Hollingsworth & Vose Company
    Inventors: Richard P. Foster, Gregory C. Brodin
  • FIBER WEB HAVING A HIGH STIFFNESS
    Publication number: 20120048797
    Abstract: The fiber webs described herein may be incorporated into filter media and filter elements. The webs may exhibit a high permeability and stiffness, at a low thickness. The stiffness can be sufficient for the webs to be pleated to include sharp, well-defined peaks which can be maintained in a stable configuration during use.
    Type: Application
    Filed: November 10, 2011
    Publication date: March 1, 2012
    Applicant: Hollingsworth & Vose Company
    Inventors: Bruce Smith, Sudhakar Jaganathan
  • Meltblown filter medium, related applications and uses
    Patent number: 8986432
    Abstract: Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: March 24, 2015
    Assignee: Hollingsworth & Vose Company
    Inventors: John A. Wertz, David T. Healey, William S. Freeman, John L. Manns, Mark Rowlands
  • FILTER MEDIA WITH FIBRILLATED FIBERS
    Publication number: 20200254367
    Abstract: Filter media suitable for various applications (e.g., hydraulic) and related components, systems, and methods associated therewith are described. The filter media may include a fiber web having a mixture of glass fibers and fibers that are fibrillated. The fibrillated fibers, for example, may be formed of lyocell.
    Type: Application
    Filed: November 18, 2019
    Publication date: August 13, 2020
    Applicant: Hollingsworth & Vose Company
    Inventors: Juergen Battenfeld, William E. Widrig, Eszter Nofz
  • BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOF
    Publication number: 20130071723
    Abstract: The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Applicant: Hollingsworth & Vose Company
    Inventors: John Wertz, Christopher Campion, Rene Gargan, Mohan Rajaram, Svetlana Krupnikov
  • COMPOSITIONS AND DELIVERY SYSTEMS WITH LEACHABLE METAL IONS
    Publication number: 20120070728
    Abstract: The disclosure describes compositions and methods for producing a change in the voltage at which hydrogen gas is produced in a lead acid battery. The compositions and methods relate to producing a concentration of one or more metal ions in the lead acid battery electrolyte.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 22, 2012
    Applicant: HOLLINGSWORTH & VOSE COMPANY
    Inventors: John Wertz, Christopher Campion, Yuri Vulfson, Nicolas Clement, Randall Keisler
  • ABSORBENT AND/OR ADSORPTIVE FILTER MEDIA
    Publication number: 20130340613
    Abstract: Filter media suitable for various applications and related components, systems, and methods associated therewith are described. The filter media may include a composite structure having a mixture comprising fibrillated fibers (e.g., lyocell) and functional particles. The filter media may exhibit favorable absorption and/or adsorption characteristics.
    Type: Application
    Filed: December 21, 2012
    Publication date: December 26, 2013
    Applicant: Hollingsworth & Vose Company
    Inventors: Svetlana Krupnikov, Erich Jurgen Gaudry Sada
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