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公开(公告)号：US06929848B2
公开(公告)日：2005-08-16
申请号：US10227998
申请日：2002-08-26
Applicant: Michael R. Samuels , Subhotosh Khan , Mikhail R. Levit
Inventor： Michael R. Samuels , Subhotosh Khan , Mikhail R. Levit
IPC: B32B5/24 , B29B13/10 , B32B5/28 , B32B15/14 , B32B27/12 , D04H1/00 , D04H13/00 , H01L23/14 , H05K1/03 , B32B3/00 , B32B5/06
CPC classification number: H05K1/0366 , B29B13/10 , B32B15/14 , B32B27/12 , D04H1/4374 , D04H1/4382 , H05K1/036 , H05K2201/0129 , H05K2201/0141 , H05K2201/015 , H05K2201/0251 , H05K2201/0278 , H05K2201/0293 , Y10S428/901 , Y10T428/24917 , Y10T428/249924 , Y10T428/24994 , Y10T428/249941 , Y10T442/30
Abstract: A sheet comprising thermoplastic polymer (TP) and short high tensile modulus fibers, in which the concentration of TP in the middle of the sheet is higher than at the surface of the sheet, useful for making prepregs with a thermoset resin.
Abstract translation: 包含热塑性聚合物（TP）和短的高拉伸模量纤维的片材，其中片材中部的TP浓度高于片材表面的TP浓度，可用于制备具有热固性树脂的预浸料。
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公开(公告)号：US09073290B2
公开(公告)日：2015-07-07
申请号：US12825810
申请日：2010-06-29
Applicant: Mikhail R. Levit , Byoung Sam Kang
Inventor： Mikhail R. Levit , Byoung Sam Kang
CPC classification number: B32B5/16 , B32B5/26 , B32B23/02 , B32B23/10 , B32B2260/021 , B32B2260/046 , B32B2262/0269 , B32B2262/062 , B32B2307/308 , B32B2307/50 , B32B2307/732 , H01B3/305 , H01B3/47 , H01F27/323 , Y10T428/31779
Abstract: A multilayer structure particularly useful in a transformer which contains (a) a first layer of aramid and cellulose wherein (i) the aramid is present as an meta-aramid in an amount of 0 to 50 weight percent floc and 50 to 100 weight percent fibrid, (ii) the cellulose is present in the form of cellulosic pulp fiber and (iii) the aramid is present in an amount of 16 to 75 weight percent and the cellulose is present in an amount of 25 to 84 weight percent, said percentages on the basis of the aramid and cellulose and (b) a second layer containing cellulosic pulp fiber with the proviso that the second layer does not contain aramid.
Abstract translation: 一种在变压器中特别有用的多层结构，其包含（a）第一层芳族聚酰胺和纤维素，其中（i）芳族聚酰胺以0至50重量百分比的絮状物和50至100重量百分比的纤维素存在为间位芳族聚酰胺 ，（ii）纤维素以纤维素纸浆纤维的形式存在，（iii）芳族聚酰胺的存在量为16至75重量％，纤维素以25至84重量％的量存在，所述百分数在 芳族聚酰胺和纤维素的基础和（b）含有纤维素纸浆纤维的第二层，条件是第二层不含芳族聚酰胺。
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公开(公告)号：US08444814B2
公开(公告)日：2013-05-21
申请号：US12084007
申请日：2006-12-19
Applicant: Mikhail R. Levit
Inventor： Mikhail R. Levit
IPC: D21H13/20
Abstract: The invention concerns a paper comprising polypyridobisimidazole floc having a length of from 1.0 to 15 mm, where the apparent density of the paper is from 0.1 to 0.4 g/cm3 and the tensile strength of the paper in N/cm is at least 0.000052X*Y, where X is the volume portion of polypyridobisimidazole in the total solids of the paper in % and Y is basis weight of the paper in g/m2.
Abstract translation: 本发明涉及包含长度为1.0至15mm的聚吡啶二咪唑絮凝物的纸，其中纸张的表观密度为0.1至0.4g / cm 3，纸张的拉伸强度为N / cm至少为0.000052X * Y，其中X是聚酰胺二咪唑在纸的总固体中的体积百分比，Y是纸的单位面积重量/ g。
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54.发明授权Para-aramid pulp including meta-aramid fibrids and processes of making same 有权对位芳族聚酰胺浆，包括间位芳族聚酰胺纤维素及其制备方法公开(公告)号：US08211272B2
公开(公告)日：2012-07-03
申请号：US12774789
申请日：2010-05-06
Applicant: Mikhail R. Levit , Achim Amma
Inventor： Mikhail R. Levit , Achim Amma
CPC classification number: D21D1/20 , C09K3/1028 , D21B1/12 , D21H13/26 , F16D69/02
Abstract: The present invention relates to para-aramid pulp including meta-aramid fibrids for use as reinforcement material in products including for example friction materials, fluid sealing materials, and papers. The invention further relates to processes for making such pulp.
Abstract translation: 本发明涉及对位芳族聚酰胺浆，包括间位芳族聚酰胺纤条体，用作产品中的增强材料，包括摩擦材料，流体密封材料和纸。 本发明还涉及制造这种纸浆的方法。
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公开(公告)号：US08118975B2
公开(公告)日：2012-02-21
申请号：US12004719
申请日：2007-12-21
Applicant: Mikhail R. Levit , Vlodek Gabara , Gary Lee Hendren
Inventor： Mikhail R. Levit , Vlodek Gabara , Gary Lee Hendren
CPC classification number: D21H13/10 , D21H13/20 , D21H15/00 , Y10T428/24149 , Y10T428/24612 , Y10T428/31993
Abstract: This invention relates to papers made with fibrids containing a polymer or copolymer derived from a monomer selected from the group consisting of 4,4′diaminodiphenyl sulfone, 3,3′diaminodiphenyl sulfone, and mixtures thereof. Such papers have high thermal stability and accept ink more readily than papers made solely with aramid fibrids.
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Patent Agency Ranking
公开(公告)号：US20110316660A1
公开(公告)日：2011-12-29
申请号：US12825810
申请日：2010-06-29
Applicant: Mikhail R. Levit , Byoung Sam Kang
Inventor： Mikhail R. Levit , Byoung Sam Kang
CPC classification number: B32B5/16 , B32B5/26 , B32B23/02 , B32B23/10 , B32B2260/021 , B32B2260/046 , B32B2262/0269 , B32B2262/062 , B32B2307/308 , B32B2307/50 , B32B2307/732 , H01B3/305 , H01B3/47 , H01F27/323 , Y10T428/31779
Abstract: A multilayer structure contains (a) a first layer of aramid and cellulose wherein (i) the aramid is present as an meta-aramid in an amount of 0 to 50 weight percent floc and 50 to 100 weight percent fibrid, (ii) the cellulose is present in the form of cellulosic pulp fiber and (iii) the aramid is present in an amount of 16 to 75 weight percent and the cellulose is present in an amount of 25 to 84 weight percent, said percentages on the basis of the aramid and cellulose and (b) a second layer containing cellulosic pulp fiber with the proviso that the second layer does not contain aramid. The multilayer structure is particularly useful in a transformer.
Abstract translation: 多层结构包含（a）芳族聚酰胺和纤维素的第一层，其中（i）芳族聚酰胺以0至50重量％的絮状物和50至100重量百分数的纤维素的量存在为间位芳族聚酰胺，（ii）纤维素 以纤维素纸浆纤维的形式存在，和（iii）芳族聚酰胺的存在量为16至75重量％，纤维素以25至84重量％的量存在，所述百分比基于芳族聚酰胺和 纤维素和（b）含有纤维素纸浆纤维的第二层，条件是第二层不含芳族聚酰胺。 多层结构在变压器中特别有用。
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公开(公告)号：US20110012474A1
公开(公告)日：2011-01-20
申请号：US12889786
申请日：2010-09-24
Applicant: Mikhail R. Levit , Roger Curtis Wicks
Inventor： Mikhail R. Levit , Roger Curtis Wicks
CPC classification number: B29B17/02 , B29K2023/06 , B29K2067/00 , B29K2077/00 , B29K2105/0854 , B29K2705/00 , B29K2705/02 , B29K2705/10 , B29L2031/3412 , B29L2031/3462 , B29L2031/749 , H02K15/0006 , H02K15/12 , Y02W30/622 , Y10T29/49146 , Y10T29/49726
Abstract: This invention relates to an improved process for removing conductors and electrical insulation parts from electrical device components so that these devices can be refurbished with new insulation and conductors. This invention also relates to an electrical device component having an electrical winding support, a laminate electrical insulation part, an electrical conductor, and an encapsulating resin, that has a special laminate electrical insulation part that allows more efficient and environmentally friendly refurbishing.
Abstract translation: 本发明涉及一种用于从电气设备部件去除导体和电绝缘部件的改进方法，使得这些装置可以用新的绝缘和导体进行翻新。 本发明还涉及一种具有电绕组支撑件，层叠电绝缘部件，电导体和封装树脂的电子器件部件，其具有允许更有效和更环保的翻新的特殊层压电绝缘部件。
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公开(公告)号：US07785520B2
公开(公告)日：2010-08-31
申请号：US11639550
申请日：2006-12-15
Applicant: Subhotosh Khan , Gary Lee Hendren , Mikhail R. Levit
Inventor： Subhotosh Khan , Gary Lee Hendren , Mikhail R. Levit
CPC classification number: B29D99/0089 , B29C70/30 , B29K2101/10 , B29K2101/12 , B29L2031/608 , Y10T156/1003 , Y10T156/1016 , Y10T428/24149
Abstract: A honeycomb containing a thermoplastic material, high modulus fiber and thermoset resin has process steps of fracturing the thermoset resin, bending, molding or forming the honeycomb in a mold or over a form, heating to allow flow of thermoplastic material and cooling of the honeycomb to retain the shape of the mold or form.
Abstract translation: 包含热塑性材料，高模量纤维和热固性树脂的蜂窝体具有将热固性树脂压裂，在模具中或在模板上弯曲，模塑或形成蜂窝体的方法，加热以允许热塑性材料流动并将蜂窝体冷却至 保持模具的形状或形式。
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公开(公告)号：US20100200184A1
公开(公告)日：2010-08-12
申请号：US12765240
申请日：2010-04-22
Applicant: MIKHAIL R. LEVIT , Ioannis V. Bletsos , David Carl Roberts
Inventor： MIKHAIL R. LEVIT , Ioannis V. Bletsos , David Carl Roberts
IPC: D21H27/30
CPC classification number: D21H27/08 , B01D39/18 , D21H13/10 , D21H15/02 , D21H25/005 , D21H27/10 , D21H27/38 , Y10T428/24802 , Y10T428/27
Abstract: Wood pulp papers are provided that are useful in end uses requiring microbial barrier properties such as medical packaging, air filters, liquid filters, and other uses and the papers have significantly improved bacterial barrier properties in contrast to wood pulp papers known in the art as measured by Log Reduction Values determined by ASTM F-1608.
Abstract translation: 提供木浆纸，其可用于需要微生物屏障性质的终端用途，例如医疗包装，空气过滤器，液体过滤器和其它用途，并且与已知的本领域已知的木浆纸相比，该纸具有显着改善的细菌屏障性能 按照ASTM F-1608确定的对数减少值。
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公开(公告)号：US20100200183A1
公开(公告)日：2010-08-12
申请号：US12759108
申请日：2010-04-13
Applicant: ACHIM AMMA , Mikhail R. Levit
Inventor： ACHIM AMMA , Mikhail R. Levit
IPC: D21C3/26
CPC classification number: D21H13/20 , C09K3/1028 , D21B1/12 , D21H11/18 , D21H15/02 , F16D69/026
Abstract: The present invention relates to wood pulp and polyareneazole pulp for use as reinforcement material in products including for example friction materials, fluid sealing materials, and papers. The pulp comprises (a) irregularly shaped, wood pulp fibrous structures, (b) irregularly shaped, polyareneazole fibrous structures, and (c) water, whereby wood pulp fibrils and/or stalks are substantially entangled with polyareneazole fibrils and/or stalks. The invention further relates to processes for making such wood pulp and polyareneazole pulp.
Abstract translation: 本发明涉及用作产品中的增强材料的木浆和聚are唑浆，包括例如摩擦材料，流体密封材料和纸。 纸浆包括（a）不规则形状的木浆纤维结构，（b）不规则形状的聚芳腈纤维结构和（c）水，由此木浆原纤维和/或茎基本上与聚芳纶原纤维和/或茎缠结。 本发明还涉及制备这种木浆和聚azole唑浆的方法。
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