公开(公告)号：US20230113238A1

公开(公告)日：2023-04-13

申请号：US18046228

申请日：2022-10-13

申请人： Eastman Chemical Company

发明人： Casey Lynn Elkins ,  Robert Jacks Sharpe ,  Bin Wang

IPC分类号： C08B3/16 ,  C08B3/06 ,  C08B3/08 ,  C08J5/18

摘要： 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.

公开(公告)号：US11525014B2

公开(公告)日：2022-12-13

申请号：US17056468

申请日：2019-06-12

申请人： NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY ,  NIPPON PAPER INDUSTRIES CO., LTD. ,  DAICEL CORPORATION

发明人： Yasumitsu Uraki ,  Haruo Konno ,  Shu Shimamoto

IPC分类号： C08B3/06 ,  C08B1/00 ,  C08L1/12 ,  C08L57/00 ,  C08L87/00 ,  D01F2/28

摘要： An object of the present invention is to provide cellulose acetate that has excellent compatibility with a resin, can reinforce a resin, and has excellent thermal stability. An embodiment of the present invention is cellulose acetate having a cellulose triacetate I crystal structure, wherein a temperature at which a weight loss relative to weight at 100° C. reaches 5% is 200° C. or higher when the cellulose acetate is heated at a heating rate of 10° C./min under a nitrogen atmosphere.

公开(公告)号：US20220227891A1

公开(公告)日：2022-07-21

申请号：US17612651

申请日：2020-06-24

申请人： DAICEL CORPORATION

发明人： Shuuji YOSHIOKA ,  Toshikazu NAKAMURA ,  Shu SHIMAMOTO ,  Takao KISHIMOTO

IPC分类号： C08B3/06 ,  C08B3/28 ,  C08B3/24 ,  A61K31/717 ,  A61P3/04 ,  A61P3/06

摘要： The present invention is to provide a cellulose acetate that has a low total degree of acetyl substitution and a degree of acetyl substitution at 6-position that is lower compared to the degrees of acetyl substitution at 2-position and 3-position of a glucose ring, and has excellent water solubility. A cellulose acetate having: a total degree of acetyl substitution of 0.4 or greater and 0.9 or less, a proportion of a degree of acetyl substitution at 6-position in the total degree of acetyl substitution of 0% or greater and 18% or less, and a light transmittance at 660 nm of 5% or greater in 4 wt. % aqueous solution.

公开(公告)号：US11220763B2

公开(公告)日：2022-01-11

申请号：US16083699

申请日：2017-03-09

申请人： NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY ,  NIPPON PAPER INDUSTRIES CO., LTD. ,  DAICEL CORPORATION

发明人： Yasumitsu Uraki ,  Haruo Konno ,  Shu Shimamoto

IPC分类号： D01F2/28 ,  C08H8/00 ,  C08L1/12 ,  C08J5/04 ,  B82Y30/00 ,  D06M13/188 ,  C08B3/06

摘要： Disclosed herein is cellulose acetate fibers that have an excellent affinity for resins and is capable of reinforcing resins. The cellulose acetate fibers have a cellulose triacetate I crystal structure and a number-average fiber diameter of 2 nm or more but 400 nm or less.

公开(公告)号：US20210222006A1

公开(公告)日：2021-07-22

申请号：US17059599

申请日：2019-05-31

申请人： Asahi Kasei Kabushiki Kaisha

发明人： Hirofumi Ono ,  Kazufumi Kawahara ,  Ryosuke Ozawa ,  Masahiro Ohga

IPC分类号： C08L77/06 ,  C08B3/06 ,  C08J5/06

摘要： Provided is a resin composite having high mechanical properties which make the resin composite moldable into and usable as members for use in applications such as vehicle-mounted members and electrical materials. The resin composite comprises 0.5-40 mass % chemically modified, fine cellulose fibers and a resin, wherein the chemically modified, fine cellulose fibers have a pyrolysis initiation temperature (TD) of 270° C. or higher, a number-average fiber diameter of 10 nm or larger but less than 1 μm, and a degree of crystallinity of 60% or higher. In a preferred embodiment, the chemically modified, fine cellulose fibers have a coefficient of variation (CV) in DS unevenness ratio, DSs/DSt, of 50% or less, the DS unevenness ratio being the ratio of the modification degree (DSs) of the surface layers of the fibers to the modification degree (DSt) of the whole of the fibers.

公开(公告)号：US20210221918A1

公开(公告)日：2021-07-22

申请号：US17056468

申请日：2019-06-12

申请人： NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY ,  NIPPON PAPER INDUSTRIES CO., LTD. ,  DAICEL CORPORATION

发明人： Yasumitsu URAKI ,  Haruo KONNO ,  Shu SHIMAMOTO

IPC分类号： C08B3/06 ,  C08B1/00 ,  C08L1/12 ,  C08L57/00 ,  C08L87/00

摘要： An object of the present invention is to provide cellulose acetate that has excellent compatibility with a resin, can reinforce a resin, and has excellent thermal stability. An embodiment of the present invention is cellulose acetate having a cellulose triacetate I crystal structure, wherein a temperature at which a weight loss relative to weight at 100° C. reaches 5% is 200° C. or higher when the cellulose acetate is heated at a heating rate of 10° C./min under a nitrogen atmosphere.

公开(公告)号：US11045450B2

公开(公告)日：2021-06-29

申请号：US16560806

申请日：2019-09-04

申请人： Adamis Pharmaceuticals Corporation

发明人： David Clayton Sutherland ,  James Kyle Zorn ,  Dennis J. Carlo

IPC分类号： A61K31/4184 ,  A61K45/06 ,  A61K31/4439 ,  A61K9/16 ,  A61K47/38 ,  A61K9/10 ,  A61K9/14 ,  C08L1/28 ,  C01D5/14 ,  C01D7/10 ,  C08B3/06

摘要： Described herein are pharmaceutical compositions including a proton pump inhibitor and an antiparasitic drug. In some embodiments, the compositions can be formulated as a non-solid for oral administration. The compositions can be used to treat gastrointestinal conditions. Methods of treatment using the compositions are also described.

公开(公告)号：US11021546B2

公开(公告)日：2021-06-01

申请号：US15760866

申请日：2016-09-15

申请人： MELODEA LTD.

发明人： Rikard Slattegard ,  Sigal Roth Shalev ,  Clarite Azerraf ,  Yuval Nevo

IPC分类号： C08B3/06 ,  C08B3/02 ,  C08J5/18 ,  C08L1/02 ,  C08J9/00 ,  C08L1/04 ,  C08L1/12 ,  C08L5/14

摘要： Provided are NCC-based materials, as superb barrier materials for preventing oxygen and humidity from penetrating therethrough.

公开(公告)号：US10919984B2

公开(公告)日：2021-02-16

申请号：US16348550

申请日：2017-11-09

申请人： Eastman Chemical Company

发明人： Wenlai Feng ,  Haining An ,  Michael Eugene Donelson ,  Thomas Joseph Pecorini ,  Robert Ellis McCrary ,  Douglas Weldon Carico ,  Spencer Allen Gilliam

IPC分类号： B32B7/02 ,  C08B3/16 ,  C08K5/1515 ,  C08K5/526 ,  C08L1/10 ,  C08L1/14 ,  C08L1/12 ,  C08L1/02 ,  B29C45/00 ,  C08B3/06 ,  C08K5/00 ,  B29K1/00 ,  B29K105/00

摘要： An injection molded article comprising a thin-walled body portion formed from a polymer-based resin derived from cellulose, wherein the thin-walled body portion comprises: i. a gate position; ii. a last fill position; iii. a flow length to wall thickness ratio greater than or equal to 100, wherein the flow length is measured from the gate position to the last fill position; and iv. a wall thickness less than or equal to about 2 mm; and wherein the polymer-based resin has an HDT or at least 95° C., a bio-derived content of at least 20 wt %, and a spiral flow length of at least 3.0 cm, when the polymer-based resin is molded with a spiral flow mold with the conditions of a barrel temperature of 238° C., a melt temperature of 246° C., a molding pressure of 13.8 MPa, a mold thickness of 0.8 mm, and a mold width of 12.7 mm.

公开(公告)号：US09777074B2

公开(公告)日：2017-10-03

申请号：US14858450

申请日：2015-09-18

申请人： Eastman Chemical Company

发明人： Charles Michael Buchanan ,  Norma Lindsey Buchanan ,  Michael Eugene Donelson ,  Maryna Grigorievna Gorbunova ,  Thauming Kuo ,  Bin Wang

IPC分类号： C08B3/16 ,  C08B1/00 ,  C08B3/06 ,  C08J5/18 ,  G02B5/30 ,  B29D11/00 ,  G02F1/13363

CPC分类号： C08B3/16 ,  B29D11/00788 ,  C08B1/003 ,  C08B3/06 ,  C08J5/18 ,  C08J2301/10 ,  C08J2301/14 ,  G02B5/3083 ,  G02F1/13363 ,  G02F2201/50 ,  G02F2202/40 ,  G02F2413/11

摘要： 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.