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公开(公告)号：US11807719B2
公开(公告)日：2023-11-07
申请号：US16670148
申请日：2019-10-31
发明人： Yuhong Wu , Keith D. Parks , Alfred O. Jessee , Saumitra Bhargava
IPC分类号： C08G69/26 , B32B27/08 , B32B27/28 , B32B27/34 , B32B27/36 , C08G69/28 , B29C45/14 , C08L77/06 , B29K75/00 , B29K77/00
CPC分类号： C08G69/265 , B29C45/14811 , B32B27/08 , B32B27/285 , B32B27/34 , B32B27/36 , C08G69/28 , C08L77/06 , B29C45/14 , B29K2075/00 , B29K2077/00 , B29K2995/0018 , B32B2274/00 , C08L2201/10 , C08L2203/20 , C08L2203/30
摘要： Polyamide resins including the reaction product of an intimate mixture of at least two monomers selected from HMDA and a diamine; and an organic diacid, wherein sebacic acid is present in the organic diacid in an amount of less than or equal to about 50 mol. %, and associated articles and methods are provided herein.
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公开(公告)号：US20230279225A1
公开(公告)日：2023-09-07
申请号：US18179799
申请日：2023-03-07
IPC分类号： C08L77/02 , A01D34/416 , C08J3/20
CPC分类号： C08L77/02 , A01D34/4168 , C08J3/203 , A01D2101/00
摘要： Trimmer line compositions and methods for forming trimmer line compositions are provided. The trimmer line compositions include a biodegradable toughening agent and polycaprolactone and advantageously increase the degradability of the trimmer line with minimal-to-no impact on the performance of the composition as trimmer line.
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公开(公告)号：US20200317865A1
公开(公告)日：2020-10-08
申请号：US16908535
申请日：2020-06-22
IPC分类号： C08G69/26
摘要： The disclosure relates to an improved method of producing MPMD based amorphous, semi-aromatic polyamides in order to improve their mechanical properties. It also relates to improved formulations of these polyamides which have further improved mechanical properties by the incorporation of greater amounts of isophthalic acid. The disclosure relates to an improved method of producing MPMD based amorphous, semi-aromatic polyamides in order to improve their mechanical properties. It also relates to improved formulations of these polyamides which have further improved mechanical properties by the incorporation of greater amounts of isophthalic acid.
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公开(公告)号：US10711104B2
公开(公告)日：2020-07-14
申请号：US15310603
申请日：2015-05-14
摘要： The disclosure relates to an improved method of producing MPMD based amorphous, semi-aromatic polyamides in order to improve their mechanical properties. It also relates to improved formulations of these polyamides which have further improved mechanical properties by the incorporation of greater amounts of isophthalic acid. The disclosure relates to an improved method of producing MPMD based amorphous, semi-aromatic polyamides in order to improve their mechanical properties. It also relates to improved formulations of these polyamides which have further improved mechanical properties by the incorporation of greater amounts of isophthalic acid.
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公开(公告)号：US10575464B2
公开(公告)日：2020-03-03
申请号：US15973079
申请日：2018-05-07
发明人： David B. Skinner , Wen Liu
IPC分类号： A01D34/416
摘要： A fixed-line trimmer head for a rotary trimmer device includes the upper portion having a periphery, wherein the upper portion has a plurality of openings spaced from the periphery; and a plurality of mechanisms. Each mechanism can hold a strip of line and includes a post portion disposed through one of the openings in the upper portion, and a flange disposed at one end of the post portion and sandwiched between the upper portion and lower portion of the trimmer head to prevent vertical movement of the mechanism. The post portion includes two line channels, each line channel defining a passageway to receive the same strip of line, wherein at least one of the line channels is curved such that any portion of the strip of line being received through the passageway of that line channel is bent at that portion of the strip of line away from the second line channel while passing through that at least one line channel that is curved.
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公开(公告)号：US20190382924A1
公开(公告)日：2019-12-19
申请号：US16380574
申请日：2019-04-10
发明人： Saumitra Bhargava
摘要： Improved nylon 6,10 materials, methods of making the same, and filaments and fabrics made from the improved nylon 6,10 materials are provided herein.
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公开(公告)号：US10400358B2
公开(公告)日：2019-09-03
申请号：US16042557
申请日：2018-07-23
发明人： Saumitra Bhargava
摘要： Nylon based filaments, yarns, and fabrics having improved properties are provided. A filament contains a composite material formed from a (i) a main structural component containing a mixture of one or more base nylons and one or more secondary nylons, and optionally (ii) an additive component mixed with the main structural component. The one or more base nylons may include one or more aliphatic nylons and the one or more secondary nylons may include one or more semiaromatic nylons.
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公开(公告)号：US10280533B2
公开(公告)日：2019-05-07
申请号：US16009720
申请日：2018-06-15
发明人： Saumitra Bhargava
摘要： A filament comprising a polymer blend and specific articles comprising the filament are disclosed. The polymer blend includes an aliphatic nylon and a semiaromatic nylon. The aliphatic nylon is the major component of the blend and semiaromatic nylon is the minor component of the blend. The aliphatic nylon can be Nylon 6, Nylon 66, Nylon 610, Nylon 612, Nylon 12, and mixtures thereof. The semiaromatic nylon can be 6I/6T, 6T/6I, and mixtures thereof. The nylon blend filament provides enhanced mechanical properties such as modulus, ultimate strength, and yield strength with improved processability and reduced diameter variability at a reduced cost.
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公开(公告)号：US10260170B2
公开(公告)日：2019-04-16
申请号：US15957671
申请日：2018-04-19
发明人： Saumitra Bhargava
摘要： Nylon based filaments, yarns, and fabrics having improved properties are provided. A filament contains a composite material formed from a (i) a main structural component containing a mixture of one or more base nylons and one or more secondary nylons, and optionally (ii) an additive component mixed with the main structural component. The one or more base nylons may include one or more aliphatic nylons and the one or more secondary nylons may include one or more semiaromatic nylons.
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10.发明授权公开(公告)号：US10023978B2
公开(公告)日：2018-07-17
申请号：US15802842
申请日：2017-11-03
发明人： Saumitra Bhargava
摘要： A filament comprising a polymer blend and specific articles comprising the filament are disclosed. The polymer blend includes an aliphatic nylon and a semiaromatic nylon. The aliphatic nylon is the major component of the blend and semiaromatic nylon is the minor component of the blend. The aliphatic nylon can be Nylon 6, Nylon 66, Nylon 610, Nylon 612, Nylon 12, and mixtures thereof. The semiaromatic nylon can be 6I/6T, 6T/6I, and mixtures thereof. The nylon blend filament provides enhanced mechanical properties such as modulus, ultimate strength, and yield strength with improved processability and reduced diameter variability at a reduced cost.
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