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61. 发明授权

US07008207B2 Apparatus for making multicomponent meltblown fibers and webs 有权
标题翻译：制造多组分熔喷纤维和纤维网的设备
公开(公告)号：US07008207B2
公开(公告)日：2006-03-07
申请号：US10760575
申请日：2004-01-20
申请人： Vishal Bansal , Michael C. Davis , Edgar N. Rudisill
发明人： Vishal Bansal , Michael C. Davis , Edgar N. Rudisill
IPC分类号： D01D5/26
CPC分类号： D01D5/34 , D01D4/025 , D01D5/0985 , D01D5/30 , D01D5/32 , D01F8/06 , D01F8/14 , D04H1/4382 , D04H1/559 , D04H1/56 , Y10S425/217 , Y10T442/60 , Y10T442/637
摘要： An extrusion die for meltblowing molten polymers having a row of die orifices each having at least two separate polymer supply ports entering from an entrance portion of the die, each of the polymer supply ports communicating with separate rows of extrusion capillaries having exit openings at an exit portion of the die, gas supply ports entering from the entrance portion of the die and arranged laterally to the polymer supply ports, the gas supply ports communicating with gas jets extending through the die and arranged laterally to the exit openings of the extrusion capillaries, wherein the rows of extrusion capillary exit openings and the gas jets communicate with a blowing orifice in the exit portion of the die.
摘要翻译：一种用于熔融熔融聚合物的挤出模具，其具有一排模头孔口，每排模具孔口具有从模具的入口部分进入的至少两个分开的聚合物供给口，每个聚合物供给口与分开的挤出毛细管排连通，在排出口处具有出口模具的一部分，气体供应端口从模具的入口部分进入并且横向布置到聚合物供应端口，气体供应口与气体喷嘴连通，该喷嘴延伸穿过模具并横向设置在挤出毛细管的出口处，其中挤出毛细管出口开口排和气体射流与模具的出口部分中的吹出孔连通。

62. 发明申请

US20050130545A1 Full-surface bonded multiple component melt-spun nonwoven web 失效
标题翻译：全表面粘合多组分熔纺非织造纤维网
公开(公告)号：US20050130545A1
公开(公告)日：2005-06-16
申请号：US11007980
申请日：2004-12-09
申请人： Vishal Bansal , Hyun Lim , David Laura
发明人： Vishal Bansal , Hyun Lim , David Laura
IPC分类号： D04H1/54 , D04H3/14 , D04H3/16 , D04H5/06 , D04H13/00 , D06C15/02 , B32B5/26
CPC分类号： D04H3/16 , D04H1/541 , D04H3/147 , D04H5/06 , Y10T442/637 , Y10T442/638 , Y10T442/641 , Y10T442/659 , Y10T442/66 , Y10T442/674 , Y10T442/68 , Y10T442/681 , Y10T442/697
摘要： A full-surface bonded multiple component nonwoven fabric is provided that has an improved combination of tear strength and tensile strength at lower thicknesses than known in the art. The full-surface bonded multiple component webs have a void percent between about 3% and 56% and a Frazier permeability of at least 0.155 m3/min-m2. The full-surface bonded multiple component nonwoven fabrics can be prepared in a smooth-calendering process.
摘要翻译：提供了全表面粘合的多组分非织造织物，其具有比本领域已知的更低厚度的撕裂强度和抗拉强度的组合。全表面结合的多组分纤维网具有约3％至56％之间的空隙百分比和至少0.155m 3 / min-m 2以上的弗雷泽渗透率。全表面粘合的多组分非织造织物可以在光滑压延过程中制备。

63. 发明授权

US06887423B2 Process for making a stretchable nonwoven web 有权
标题翻译：制造可拉伸非织造织物的方法
公开(公告)号：US06887423B2
公开(公告)日：2005-05-03
申请号：US10253292
申请日：2002-09-24
申请人： James Edmond Van Trump , Vishal Bansal , Michael C. Davis
发明人： James Edmond Van Trump , Vishal Bansal , Michael C. Davis
IPC分类号： D01D5/08 , D01F8/06 , D01F8/14 , D04H3/02 , D04H3/14 , D04H3/16 , D01D5/088 , D01D5/16 , D01D5/22 , D01D5/32 , D01D5/34
CPC分类号： D04H3/16 , D01F8/06 , D01F8/14 , D04H3/02 , D04H3/14 , Y10T442/601 , Y10T442/627 , Y10T442/638 , Y10T442/641 , Y10T442/681
摘要： A process for preparing nonwoven webs including multiple component continuous filaments having high levels of three-dimensional helical crimp utilizing draw rolls to provide a high degree of orientation to each of the polymeric components by mechanically drawing the filaments under conditions wherein the polymeric components remain substantially amorphous and a stretchable nonwoven web including multiple component, continuous filaments having high levels of three-dimensional helical crimp.
摘要翻译：一种制备非织造纤维网的方法，其包括具有高水平的三维螺旋卷曲的多组分连续长丝，其使用拉伸辊，以通过在其中聚合物组分保持基本上无定形的条件下机械拉伸长丝来提供每种聚合物组分的高度取向以及包括多组分的可拉伸非织造纤维网，具有高水平的三维螺旋卷曲的连续长丝。

64. 发明授权

US10814586B2 Direct deposition of nanofiber on a textile substrate 有权
公开(公告)号：US10814586B2
公开(公告)日：2020-10-27
申请号：US16090026
申请日：2017-03-30
申请人： Vishal Bansal , Martin Gregory Hatfield , Lei Li
发明人： Vishal Bansal , Martin Gregory Hatfield , Lei Li
IPC分类号： B32B5/26 , B32B7/12 , D01D5/18 , D04H1/559 , B32B5/02 , B32B5/08 , D01D5/08 , B32B27/24 , B32B37/24 , B32B5/22 , D04H1/542 , D04H1/541 , B32B37/00 , B32B37/12
摘要： A method of manufacturing a composite textile fabric is provided. The method includes the step of simultaneously forming and depositing fine fibers on a textile. The textile is at least one of a woven fabric, a knit fabric, and a fleece fabric. The fine fibers have an average diameter of less than 1.2 micron. The method also includes the step of bonding the fine fibers to form a membrane layer on the textile.

65. 发明授权

US10676614B2 High molecular and low molecular weight fine fibers and TPU fine fibers 有权
公开(公告)号：US10676614B2
公开(公告)日：2020-06-09
申请号：US15490680
申请日：2017-04-18
申请人： Vishal Bansal , Thomas D. Carr , Yogesh Ner , Kaiyi Liu , Stephen R. Kay
发明人： Vishal Bansal , Thomas D. Carr , Yogesh Ner , Kaiyi Liu , Stephen R. Kay
IPC分类号： C08L75/04 , D01D5/18 , D04H1/54 , D01D5/42 , D01D5/04
摘要： In embodiments, the present invention provides a plurality of fine fiber strands made from a first polymer and a second polymer where the second polymer has a higher molecular weight than the first polymer. In preferred embodiments, the fine fiber strands have an average diameter of less than 2 micron, and the fine fiber strands have a length of at least 1 millimeter.

66. 发明授权

US10512875B2 Filter and filter media having a fiber blend 有权
公开(公告)号：US10512875B2
公开(公告)日：2019-12-24
申请号：US15410336
申请日：2017-01-19
申请人： Vishal Bansal , Jeffery Michael Ladwig , Dale R. Kadavy
发明人： Vishal Bansal , Jeffery Michael Ladwig , Dale R. Kadavy
IPC分类号： B01D46/52 , B01D39/08 , B01D39/16 , B01D46/00
摘要： A filter media is provided. The filter media has a blend of filter media fibers, including oxidized polyacrylonitrile (OPAN) fibers and fibers of at least one other polymer, such that the OPAN fibers comprise between 30% and 95% by weight of the blend. A filter element incorporating the filter media is also provided. A method of using the filter element is provided as well. Also provided is a method of manufacturing the filter media. The filter media has applicability for filtering air in such acidic environments as a cement factory, lime kiln, asphalt process, rock dust application, and coal fired boilers.

67. 发明申请

US20170304755A1 MULTI-LAYERED OR MULTIPLE POLYMER FINE FIBER WEBS 审中-公开
公开(公告)号：US20170304755A1
公开(公告)日：2017-10-26
申请号：US15493266
申请日：2017-04-21
申请人： Vishal Bansal , Thomas D. Carr , Yogesh Ner , Kaiyi Liu , Stephen R. Kay
发明人： Vishal Bansal , Thomas D. Carr , Yogesh Ner , Kaiyi Liu , Stephen R. Kay
IPC分类号： B01D39/16 , D01D4/02 , D04H1/724
CPC分类号： B01D39/163 , B01D2239/025 , B01D2239/0407 , B01D2239/0442 , B01D2239/0457 , B01D2239/065 , B01D2239/10 , B01D2239/1233 , D01D4/025 , D01D5/18 , D04H1/4374 , D04H1/56 , D04H1/724 , D04H3/16
摘要： A material comprising unique nanofiber layers, and more particularly, this invention relates to a method for creating a material that is made from multiple unique nanofiber layers that can be utilized as filter media among other applications. The nanofiber layers have a plurality of fine fibers with an average diameter of less than 1 micron. In embodiments, the fine fibers are formed from a polymer. The material can be created according to a method in which the fine fiber strands are formed from a polymer melt or a polymer solution. The fine fibers can then be layered on top of one another to form materials such as filter media.

68. 发明授权

US08801933B2 Membrane distillation modules using oleophobically and antimicrobially treated microporous membranes 有权
标题翻译：使用疏油和抗微生物处理的微孔膜的膜蒸馏模块
公开(公告)号：US08801933B2
公开(公告)日：2014-08-12
申请号：US13233171
申请日：2011-09-15
申请人： Vishal Bansal , Christopher Keller
发明人： Vishal Bansal , Christopher Keller
IPC分类号： B01D15/00 , C02F1/44 , B01D39/00 , B01D39/14 , B01D63/00 , B01D71/36 , B01D61/36
CPC分类号： B01D61/362 , B01D61/364 , B01D65/08 , B01D67/0027 , B01D67/0088 , B01D69/02 , B01D71/36 , B01D2311/10 , B01D2321/16 , B01D2323/04 , B01D2323/225 , B01D2323/46 , B01D2325/48
摘要： The present invention provides a system for liquid distillation which includes a vapor permeable-liquid impermeable microporous membrane having structures defining a plurality of pores, an oleophobic material that is applied to the structures of the membrane so as to leave the plurality of pores open, a means for supplying non-distilled liquid to the first side of the membrane, and a means for collecting distilled liquid from a second side of the membrane. In a further example, the present invention provides a method for the distillation of liquids.
摘要翻译：本发明提供了一种用于液体蒸馏的系统，其包括具有限定多个孔的结构的透气液体不渗透的微孔膜，将疏油材料施加到膜的结构以使多孔开放，用于将非蒸馏液体供应到膜的第一侧的装置，以及用于从膜的第二侧收集蒸馏液的装置。在另一个实例中，本发明提供一种蒸馏液体的方法。

69. 发明授权

US08317906B2 Membrane contactor systems for gas-liquid contact 失效
标题翻译：用于气液接触的膜接触器系统
公开(公告)号：US08317906B2
公开(公告)日：2012-11-27
申请号：US13295740
申请日：2011-11-14
申请人： Vishal Bansal
发明人： Vishal Bansal
IPC分类号： B01D53/22 , B01D59/12
CPC分类号： B01D61/246 , B01D53/228 , B01D53/229 , B01D53/62 , B01D53/77 , B01D67/0088 , B01D71/36 , B01D2251/80 , B01D2257/504 , B01D2325/38 , Y02A50/2342 , Y02C10/04 , Y02C10/10
摘要： A membrane contactor system for use in separating carbon dioxide from a gaseous stream in a continuous flow process comprising a housing defining a gas flow path and comprising a first outlet for the carbon dioxide and a second outlet for the purified gas; an expanded polytetrafluoroethylene microporous membrane positioned in the housing to allow the gaseous stream to flow across a side of the expanded polytetrafluoroethylene microporous membrane, the membrane having a plurality of interconnecting pores configured to allow the carbon dioxide to diffuse therethrough; an oleophobic enhancement coating disposed on the surfaces to form a coated membrane; and an amine based sorbent liquid disposed on a side of the expanded polytetrafluoroethylene microporous membrane opposite the gas, wherein the amine based sorbent liquid is configured to absorb the carbon dioxide from the gaseous stream.
摘要翻译：一种用于在连续流动方法中从气态物流中分离二氧化碳的膜接触器系统，包括限定气体流动路径的壳体，并且包括用于二氧化碳的第一出口和用于净化气体的第二出口; 位于壳体中的膨胀聚四氟乙烯微多孔膜，以允许气流流过膨胀的聚四氟乙烯微孔膜的一侧，该膜具有多个构造成允许二氧化碳从其中扩散的互连孔; 疏油增强涂层，设置在表面上以形成涂层膜; 以及设置在与气体相对的膨胀的聚四氟乙烯微孔膜的一侧上的胺基吸附剂液体，其中胺基吸附剂液体构造成从气流中吸收二氧化碳。

70. 发明申请

US20120186452A1 Multiple Layer HEPA Filter and Method of Manufacture 审中-公开
标题翻译：多层HEPA过滤器和制造方法
公开(公告)号：US20120186452A1
公开(公告)日：2012-07-26
申请号：US13014325
申请日：2011-01-26
申请人： Alan Smithies , Vishal Bansal , Nusrat Farzana , Cynthia Polizzi
发明人： Alan Smithies , Vishal Bansal , Nusrat Farzana , Cynthia Polizzi
IPC分类号： B01D53/22 , B32B38/00
CPC分类号： B01D39/1692 , B01D39/163 , B01D46/002 , B01D46/0024 , B01D46/0068 , B01D46/2407 , B01D46/521 , B01D46/543 , B01D2239/0216 , B01D2239/0428 , B01D2239/0478 , B01D2239/0627 , B01D2239/0636 , B01D2239/065 , B01D2239/0677 , B01D2275/10 , B32B1/00 , B32B5/022 , B32B5/18 , B32B5/245 , B32B2262/02 , B32B2262/0253 , B32B2262/0261 , B32B2262/0269 , B32B2262/0276 , B32B2262/0284 , B32B2262/0292 , B32B2266/025 , B32B2266/0257 , B32B2266/0278 , Y10T156/1044
摘要： A multiple layer HEPA filter media includes, in an exemplary embodiment, a first layer that includes a nonwoven synthetic fabric formed from a plurality of bicomponent synthetic fibers with a spunbond process, and having a bond area pattern of a plurality of substantially parallel discontinuous lines of bond area. The filter media also includes a second layer laminated onto the first layer. The second layer is formed from a micro-porous membrane. Further, the filter media includes a third layer laminated onto the second layer, with the third layer including a synthetic nonwoven fabric formed from a plurality of synthetic fibers. The synthetic fibers include at least two different synthetic fibers having different melting points. The third layer has a cover factor of less than about seven. In addition, the multiple layer filter media further includes a plurality of corrugations.
摘要翻译：在一个示例性实施例中，多层HEPA过滤介质包括第一层，其包括由具有纺粘工艺的多个双组分合成纤维形成的非织造合成织物，并且具有多个基本上平行的不连续线的粘合区域图案债券区。过滤介质还包括层压在第一层上的第二层。第二层由微孔膜形成。此外，过滤介质包括层压在第二层上的第三层，第三层包括由多根合成纤维形成的合成无纺布。合成纤维包括具有不同熔点的至少两种不同的合成纤维。第三层的遮盖系数小于约七。此外，多层过滤介质还包括多个波纹。

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