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11.发明申请公开(公告)号：US20230138841A1
公开(公告)日：2023-05-04
申请号：US17760458
申请日：2021-02-10
Applicant: Eastman Chemical Company
Inventor： Qianqian Zhang , Bin Wang , Robert Jacks Sharpe , Wesley Wayne McConnell , Casey Lynn Elkins , Charles Michael Buchanan
IPC: C08L1/32 , C08K5/07 , C08K5/3492 , C08J5/18
Abstract: The present application discloses films comprising regioselectively substituted cellulose esters and a component A wherein rings A, B, C, R1, R2, R5, R6, R8, m, n, and k are defined herein. The films are C+ films that exhibit improved wavelength dispersion. <
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公开(公告)号：US11591411B2
公开(公告)日：2023-02-28
申请号：US16492966
申请日：2018-03-28
Applicant: Eastman Chemical Company
Inventor： Casey Lynn Elkins , Robert Jacks Sharpe , Bin Wang
Abstract: The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
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公开(公告)号：US20200223946A1
公开(公告)日：2020-07-16
申请号：US16831904
申请日：2020-03-27
Applicant: Eastman Chemical Company
Inventor： Matthew Allen Boone , Christopher Harlan Burk , Peter Borden Mackenzie , Jennifer A. Fish , Eduardo Gallas Cervo , Elaine Beatrice Mackenzie , Robert Joseph Maleski , Wesley McConnell , David William Norman , Tabatha Stearns , Bin Wang
IPC: C08B3/16 , B32B27/24 , B32B27/08 , B32B27/36 , B32B7/12 , B32B27/28 , C08L1/14 , B32B23/08 , B32B27/32 , B32B27/18 , G02B5/30 , B32B27/22 , B32B27/06 , G02F1/13363 , H01L51/52
Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.
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公开(公告)号：US20200017607A1
公开(公告)日：2020-01-16
申请号：US16492966
申请日：2018-03-28
Applicant: Eastman Chemical Company
Inventor： Casey Lynn Elkins , Robert Jacks Sharpe , Bin Wang
Abstract: The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
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15.发明申请CELLULOSE ESTER BASED QUARTER WAVE PLATES HAVING NORMAL WAVELENGTH DISPERSION 有权具有正常波长分散度的纤维素酯基的四分之一波片公开(公告)号：US20150168607A1
公开(公告)日：2015-06-18
申请号：US14108810
申请日：2013-12-17
Applicant: Eastman Chemical Company
Inventor： Bin Wang , Thauming Kuo , Michael Eugene Donelson , Douglas Stephens McWilliams
CPC classification number: G02B1/08 , C08J5/18 , C08J2301/12 , C08J2301/14 , C08K5/01 , C08K5/105 , G02B5/3083 , Y10T428/1036 , Y10T428/105
Abstract: The present invention pertains to an optical film for use as a quarter wave plate (QWP) having a normal wavelength dispersion curve. More specifically, this invention relates to a quarter wave plate based on cellulose ester polymer and fused ring additives.
Abstract translation: 本发明涉及用作具有正常波长色散曲线的四分之一波片（QWP）的光学膜。 更具体地，本发明涉及基于纤维素酯聚合物和稠环添加剂的四分之一波片。
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Patent Agency Ranking
公开(公告)号：US12006375B2
公开(公告)日：2024-06-11
申请号：US18046228
申请日：2022-10-13
Applicant: Eastman Chemical Company
Inventor： Casey Lynn Elkins , Robert Jacks Sharpe , Bin Wang
CPC classification number: C08B3/16 , C08B3/06 , C08B3/08 , C08J5/18 , C08J2301/10 , C08J2301/12 , C08J2301/14
Abstract: The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
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公开(公告)号：US10174129B2
公开(公告)日：2019-01-08
申请号：US15425058
申请日：2017-02-06
Applicant: EASTMAN CHEMICAL COMPANY
Inventor： Charles Michael Buchanan , Norma Lindsey Buchanan , Robert Thomas Hembre , Juanelle Little Lambert , Michael Eugene Donelson , Maryna Grigorievna Gorbunova , Thauming Kuo , Bin Wang
IPC: C08B3/16 , C08L1/14 , G02B1/14 , C08J5/18 , C08B1/00 , C08B3/28 , C07D233/54 , G02B5/30 , G02B1/10
Abstract: This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays.
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公开(公告)号：US20170307796A1
公开(公告)日：2017-10-26
申请号：US15482920
申请日：2017-04-10
Applicant: Eastman Chemical Company
Inventor： Matthew Allen Boone , Christopher Harlan Burk , Peter Borden Mackenzie , Jennifer A. Fish , Eduardo Gallas Cervo , Elaine Beatrice Mackenzie , Robert Joseph Maleski , Wesley McConnell , David William Norman , Tabatha Stearns , Bin Wang
IPC: G02B5/30 , H01L51/52 , G02F1/13363 , B32B27/06 , C08B3/16
CPC classification number: C08B3/16 , B32B7/12 , B32B23/08 , B32B27/06 , B32B27/08 , B32B27/18 , B32B27/22 , B32B27/24 , B32B27/281 , B32B27/325 , B32B27/36 , B32B27/365 , B32B2307/40 , B32B2307/516 , B32B2307/518 , B32B2307/546 , B32B2307/732 , B32B2309/105 , B32B2457/202 , B32B2457/206 , C08L1/08 , C08L1/10 , C08L1/14 , G02B5/3033 , G02B5/305 , G02B5/3083 , G02F1/13363 , G02F2001/133638 , G02F2413/13 , H01L51/5259 , H01L51/5281 , Y10T428/1036 , Y10T428/105
Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.
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公开(公告)号：US20170306054A1
公开(公告)日：2017-10-26
申请号：US15482910
申请日：2017-04-10
Applicant: Eastman Chemical Company
Inventor： Matthew Allen Boone , Christopher Harlan Burk , Peter Borden Mackenzie , Jennifer A. Fish , Eduardo Gallas Cervo , Elaine Beatrice Mackenzie , Robert Joseph Maleski , Wesley McConnell , David William Norman , Tabatha Stearns , Bin Wang
IPC: C08B3/16
Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.
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20.发明授权Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom 有权在卤化离子液体方法中产生的区域选择性纤维素酯和由其制备的产物公开(公告)号：US09175096B2
公开(公告)日：2015-11-03
申请号：US13706684
申请日：2012-12-06
Applicant: Eastman Chemical Company
Inventor： Charles Michael Buchanan , Norma Lindsey Buchanan , Michael Eugene Donelson , Maryna Grigorievna Gorbunova , Thauming Kuo , Bin Wang
IPC: C08B3/04 , C08B3/06 , C08B3/08 , C08B3/10 , C08B1/00 , C08B3/16 , C08J5/18 , G02B5/30 , G02F1/13363
CPC classification number: C08B1/003 , C08B3/04 , C08B3/06 , C08B3/08 , C08B3/10 , C08B3/16 , C08J5/18 , C08J2301/08 , G02B5/3083 , G02F1/13363 , G02F2413/11
Abstract: This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays.
Abstract translation: 本发明涉及包含区域选择性取代的纤维素酯的新型组合物。 本发明的一个方面涉及从溶解在离子液体中的纤维素制备区域选择性取代的纤维素酯的方法。 本发明的另一方面涉及区域选择性取代的纤维素酯在液晶显示器的保护和补偿膜等应用中的应用。
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