| Hollingsworth & Vose Company Patent applications |
| Patent application number | Title | Published |
| 20120121975 | SURFACE MODIFIED GLASS FIBERS - Compositions including glass fibers with a high surface atomic percentage of oxygen bonded to silicon wherein the fibers form at least part of a battery separator or other battery component. | 05-17-2012 |
| 20120107588 | FILTER MEDIA AND ARTICLES INCLUDING DENDRIMERS AND/OR OTHER COMPONENTS - Articles such as filter media, which include dendrimers and/or other components, are provided. The filter media may further include a water repellant (e.g., a fluorinated species) to impart desirable properties to the media such as high water repellency. The filter media may also have a high efficiency as a function of pressure drop (i.e., high gamma values). In some embodiments, the filter media includes a fiber web which may be formed of various components such as glass fibers. The fiber web can also include additional components such as synthetic fibers, binder components, as well as other additives. The media may be incorporated into a variety of filter element products. | 05-03-2012 |
| 20120097032 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 04-26-2012 |
| 20120070729 | GLASS COMPOSITIONS WITH HIGH LEVELS OF BISMUTH OXIDE - The application describes glass compositions that includes more than 30 percent by weight of bismuth compounds, in particular bismuth oxide. Additionally, components, specifically battery separators, made from the glass compositions with high levels of bismuth are described. | 03-22-2012 |
| 20120070728 | COMPOSITIONS AND DELIVERY SYSTEMS WITH LEACHABLE METAL IONS - 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. | 03-22-2012 |
| 20120070727 | GLASS COMPOSITIONS WITH LEACHABLE METAL OXIDES AND IONS - 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. The compositions include glass based compositions that are included as part of various battery components, such as the battery separator, pasting paper, additives to battery paste, etc. | 03-22-2012 |
| 20120067814 | MULTI-PHASE FILTER MEDIUM - Multi-phase filter media, as well as related articles, components, filter elements, and methods, are disclosed. | 03-22-2012 |
| 20120028126 | Batteries Containing Bismuth Glass Compositions - Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. Certain embodiments include, among other components, bismuth oxide. Certain embodiments include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70% of the composition by weight. Embodiments may also include other components. For example, zinc oxide can make up about 0.01-3% of the composition by weight. | 02-02-2012 |
| 20120021295 | Battery Separators with Bismuth Containing Glass Fibers - Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. Certain embodiments include, among other components, bismuth oxide. Certain embodiments include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70% of the composition by weight. Embodiments may also include other components. For example, zinc oxide can make up about 0.01-3% of the composition by weight. | 01-26-2012 |
| 20110287324 | SURFACE MODIFIED GLASS FIBERS - A composition including glass fibers with a surface atomic concentration of oxygen in sp3 bonds with silicon of at least about 34% wherein the fibers are formed into a battery separator. | 11-24-2011 |
| 20110265312 | FILTER MEDIA WITH IMPROVED CONDUCTIVITY - Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter media can include a filtration substrate, and at least one conductive coating disposed on at least a portion of the filtration substrate. In use, the conductive coating is coupled to an energy source and it is effective to emit ions when energy is delivered thereto to increase the efficiency of the filtration substrate and/or to dissipate or eliminate static charge generated during filtration. | 11-03-2011 |
| 20110259813 | FILTER MEDIA WITH A MULTI-LAYER STRUCTURE - Filter media are described. The filter media may include multiple layers. In some embodiments, the filter media include a nanofiber layer adhered to another layer. In some embodiments, the layer to which the nanofiber layer is adhered is formed of multiple fiber types (e.g., fibers that give rise to structures having different air permeabilities and/or pressure drops). In some embodiments, the nanofiber layer is adhered to a single-phase or a multi-phase layer. In some embodiments, the nanofiber layer is manufactured from a meltblown process. The filter media may be designed to have advantageous properties including, in some cases, a high dust particle capture efficiency and/or a high dust holding capacity. | 10-27-2011 |
| 20110162337 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 07-07-2011 |
| 20110147976 | MELTBLOWN FILTER MEDIUM - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material. | 06-23-2011 |
| 20110147320 | FILTER MEDIA AND ARTICLES INCLUDING DENDRIMERS AND/OR OTHER COMPONENTS - Articles such as filter media, which include dendrimers and/or other components, are provided. The filter media may further include a water repellant (e.g., a fluorinated species) to impart desirable properties to the media such as high water repellency. The filter media may also have a high efficiency as a function of pressure drop (i.e., high gamma values). In some embodiments, the filter media includes a fiber web which may be formed of various components such as glass fibers. The fiber web can also include additional components such as synthetic fibers, binder components, as well as other additives. The media may be incorporated into a variety of filter element products. | 06-23-2011 |
| 20110079553 | FILTER MEDIA SUITABLE FOR HYDRAULIC APPLICATIONS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. In some embodiments, at least one layer of the filter media comprises synthetic polymer fibers. Certain filter media described herein may have desirable properties including high dirt holding capacity and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters. | 04-07-2011 |
| 20100319543 | FLUTABLE FIBER WEBS WITH HIGH DUST HOLDING CAPACITY - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 12-23-2010 |
| 20100319310 | FIBER WEB HAVING A HIGH STIFFNESS - 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. | 12-23-2010 |
| 20100314333 | FLUTABLE FIBER WEBS WITH LOW SURFACE ELECTRICAL RESISTIVITY FOR FILTRATION - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a low surface electrical resistivity. The fiber webs may also be sufficiently flexible and/or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction. | 12-16-2010 |
| 20100252510 | FILTER MEDIA SUITABLE FOR HYDRAULIC APPLICATIONS - Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. The filter media has desirable properties including high dirt holding capacity with low basis weight and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters. | 10-07-2010 |
| 20100212272 | FILTER MEDIA SUITABLE FOR ASHRAE APPLICATIONS - Filter media which may be used in ASHRAE applications are described. The media include a fiber web and has desirable performance characteristics. | 08-26-2010 |
| 20100116138 | MULTI-PHASE FILTER MEDIUM - Multi-phase filter media, as well as related articles, components, filter elements, and methods, are disclosed. | 05-13-2010 |
| 20100107881 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 05-06-2010 |
| 20100000411 | MELTBLOWN FILTER MEDIUM, RELATED APPLICATIONS AND USES - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material. | 01-07-2010 |
| 20090272084 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 11-05-2009 |
| 20090120048 | Meltblown Filter Medium - Filter media, as well as related assemblies, systems and methods. Filter media may contain one or more layers formed of a meltblown material. | 05-14-2009 |
| 20080202078 | WAVED FILTER MEDIA AND ELEMENTS - Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications. | 08-28-2008 |