With Reactant Having Halo-c(=o)-halo, Halo-c(=o)-o-, Or -o-c(=o)-o- Group Patents (Class 528/196)
  • Patent number: 11440991
    Abstract: The present application provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present application includes a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 13, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda, Noriyuki Kato, Mitsuteru Kondo, Shoko Suzuki, Kensuke Oshima, Shuya Nagayama
  • Patent number: 11352493
    Abstract: A resin composition includes a polycarbonate-based resin and a polyethylene terephthalate resin, and the resin composition has a resin phase-separated structure including a continuous phase containing the polycarbonate-based resin and a dispersed phase containing the polyethylene terephthalate resin, in which a number average diameter in a longitudinal direction of the dispersed phase is 1.5 ?m or less, a number average diameter in a lateral direction of the dispersed phase is 0.8 ?m or less, and an aspect ratio of the number average diameter in the longitudinal direction to the number average diameter in the lateral direction is 2.5 or less.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: June 7, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Akira Imada
  • Patent number: 11345132
    Abstract: An optical sheet of the present invention includes a specific wavelength absorption layer that contains a polycarbonate as a main material and a light absorbing agent that absorbs light of a specific wavelength out of light in a wavelength range of 350 nm to 740 nm, in which the polycarbonate has a viscosity average molecular weight Mv of 20,000 to 30,000. In addition, the specific wavelength absorption layer further includes an ultraviolet absorbing agent that absorbs light in a wavelength range of 100 nm to 420 nm.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 31, 2022
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventors: Takuya Oyama, Tetsuya Ishikawa
  • Patent number: 11312822
    Abstract: A method of preparing a polycarbonate composition, including: melt polymerizing in a polymerization unit a dihydroxy compound with a diaryl carbonate and removing a stream of color inducing species containing an isopropenyl phenyl-containing group from the polymerization unit, to form a polycarbonate composition, wherein the polycarbonate has a color inducing species containing an isopropenyl phenyl-containing group level below 170 ppm is provided.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: April 26, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Aaron David Bojarski, Jorge A. Garcia Agudo
  • Patent number: 11230625
    Abstract: Described herein are methods of preparing poly(alkylene carbonate) polymers comprising an increased ratio of primary hydroxyl end groups to secondary hydroxyl end groups, and compositions thereof.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: January 25, 2022
    Assignee: Saudi Aramco Technologies Company
    Inventors: James Eagan, Christopher A. Simoneau, Jay J. Farmer
  • Patent number: 11220600
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 11, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshio Isozaki, Takahiro Torii, Yasunobu Yamazaki, Naoto Okubo
  • Patent number: 11203664
    Abstract: Provided is a polycarbonate-based resin composition, including: 50 mass % or more to 99 mass % or less of a polycarbonate-based resin (S) containing 0.1 mass % or more to 100 mass % or less of a polycarbonate-polyorganosiloxane copolymer (A), which contains a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit, and 0 mass % or more to 99.9 mass % or less of an aromatic polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A); 1 mass % or more to 50 mass % or less of a polyester-based resin (C); and 0.001 part by mass or more to 1 part by mass or less of an amide compound (D) with respect to 100 parts by mass of a total amount of the polycarbonate-based resin (S) and the polyester-based resin (C).
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: December 21, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Yasuhiro Ishikawa
  • Patent number: 11198759
    Abstract: The present invention provides a polycarbonate copolymer having low specific gravity and high surface hardness.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: December 14, 2021
    Assignee: TEIJIN LIMITED
    Inventors: Hideyuki Tsunemori, Kenta Imazato, Katsuhiro Yamanaka
  • Patent number: 11180609
    Abstract: In one aspect, the present invention encompasses compositions of sustainable polycarbonate polymers, methods of producing such polymers, and methods for evaluating whether certain constituents of a polymer chain are derived from biomass or a fossil carbon source.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: November 23, 2021
    Assignee: Saudi Aramco Technologies Company
    Inventor: Jay J. Farmer
  • Patent number: 11149116
    Abstract: The present invention relates to a process for producing a polycarbonate from a diphenol or two or more different diphenols and a carbonyl halide by the interfacial process. It is a feature of the process according to the invention that it is carried out on the basis of a chlorohydrocarbon or a mixture of a mixture of two or more chlorohydrocarbons using an organic solvent. An organic solvent is also provided.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: October 19, 2021
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Jan Heijl, Erik Sluyts, Xiaoxin Yao
  • Patent number: 11149115
    Abstract: Disclosed is a method for preparing polylactone by ring opening, belonging to the technical fields of organic catalysis and polymer materials. The invention proposes a new catalytic mechanism, wherein an organic alcohol is used as an initiator to initiate ring opening polymerization of a cyclic monomer under the catalysis of an organic catalyst to obtain a polylactone; and the catalyst is a pyridinium salt. The present invention has the advantages of non-toxic reaction, simple conditions and controllable process; further, the invention can obtain a narrow molecular weight distribution in the absence of solution polymerization, and can effectively inhibit the occurrence of the transesterification compared with the catalysis of 4-(N,N-dimethylamino)pyridine.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: October 19, 2021
    Assignee: NANJING TECH UNIVERSITY
    Inventors: Kai Guo, Hui Zhu, Zhenjiang Li, Fulan Wei, Siming Chen, Yu Gao
  • Patent number: 11141913
    Abstract: A composition for use in powder bed fusion includes a thermoplastic powder that itself includes an induced crystalline polycarbonate or an induced crystalline polyetherimide. The thermoplastic powder is recycled powder, which means that it is recovered from a powder bed that had undergone a powder bed fusion process. Also described is a method of making an article, the method including: placing an induced crystalline polymeric (polycarbonate or polyetherimide) powder in a powder bed, fusing a portion of the induced crystalline polymeric powder in the powder bed, recovering a least a portion of the crystalline polymeric powder from the powder bed, wherein the recovered powder is not fused, placing the recovered induced crystalline polymeric powder in a second powder bed, and fusing at least a portion of the recovered induced crystalline polymeric powder in the second powder bed to form an amorphous polymer article.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: October 12, 2021
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Elena Miloskovska, Bruke Jofore
  • Patent number: 11111386
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a): 15?wM1??(F1a) wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: September 7, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro Ishikawa, Tomoko Abe, Takafumi Akimoto
  • Patent number: 11084915
    Abstract: Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composition is a composition for resin surface roughening that contains an aliphatic polycarbonate and an alkali metal salt.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: August 10, 2021
    Assignees: Sumitomo Seika Chemicals Co., Ltd., Osaka Research Institute of Industrial Science and Technology
    Inventors: Kiyoshi Nishioka, Hiroki Maeda, Kei Ishikura, Kimihiro Matsukawa, Yukiyasu Kashiwagi, Masashi Saitoh
  • Patent number: 11072703
    Abstract: Provided is a polycarbonate-based resin composition, including: 50 mass % or more to 99 mass % or less of a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A) containing a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit, and an aromatic polycarbonate-based resin (B) except the polycarbonate-polyorganosiloxane copolymer (A); and 1 mass % or more to 50 mass % or less of a polyester-based resin (C), wherein the polyorganosiloxane block (A-2) has an average chain length of from 50 or more to 500 or less.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: July 27, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasuhiro Ishikawa, Tomoko Abe, Yohei Koori
  • Patent number: 11021571
    Abstract: Provided is a manufacturing method for a high molecular weight aromatic polycarbonate resin that has superior fluidity and for which a good color and a sufficiently high molecular weight can be achieved. A manufacturing method for a high molecular weight aromatic polycarbonate resin includes: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is kept in a molten state, and is mixed with an aromatic polycarbonate prepolymer within ten hours after obtaining the catalyst composition, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: June 1, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori Isahaya, Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun-ya Hayakawa, Takehiko Isobe, Yousuke Shinkai, Keisuke Shimokawa
  • Patent number: 11001709
    Abstract: A polycarbonate copolymer contains aromatic carbonate units; optionally siloxane units; and resorcinol arylate ester units. The resorcinol arylate ester units of the polycarbonate copolymer are derived from a resorcinol composition having a hydroquinone content of 50 to 1200 parts per million, a catechol content of 5 to 29 parts per million, and a phenol content of 0 to 2400, each as determined by high performance liquid chromatography, and further comprising an acid stabilizer.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: May 11, 2021
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Christopher Luke Hein, Rahul Patil, Bing Zhou, Guangxin Lin, Chelsea Schmidt, David Zoller, Shuailei Ma, Chester Hassman
  • Patent number: 10975194
    Abstract: Provided is a polycarbonate resin, including, as a raw material, a bisphenol A having 100 ppm by mass or less of isopropenylphenol and 250 ppm by mass or less of 2-(2-hydroxyphenyl)-2-(4-hydroxyphenyl)propane, each detected after heating in air at 175° C. for 1 hour.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 13, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Nobuhiro Watanabe
  • Patent number: 10962793
    Abstract: The present invention provides a method for producing a thermoplastic resin by reacting reactants comprising a dihydroxy compound. In this production method, the dihydroxy compound comprises a dihydroxy compound represented by the following formula (1), and at least one of a compound represented by the following formula (A), a compound represented by the following formula (B), and a compound represented by the following formula (C), wherein the total weight of the compound represented by the formula (A), the compound represented by the formula (B), and the compound represented by the formula (C) is 1,500 ppm or more, based on the weight (100 parts by weight) of the dihydroxy compound represented by the formula (1).
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: March 30, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki Kato, Mitsuteru Kondo, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda
  • Patent number: 10955680
    Abstract: The present invention provides a method for producing a thermoplastic resin by reacting reactants comprising a dihydroxy compound. In this production method, the dihydroxy compound comprises a dihydroxy compound represented by the following formula (1), and at least one of a compound represented by the following formula (A), a compound represented by the following formula (B), and a compound represented by the following formula (C), wherein the total weight of the compound represented by the formula (A), the compound represented by the formula (B), and the compound represented by the formula (C) is 1,500 ppm or more, based on the weight (100 parts by weight) of the dihydroxy compound represented by the formula (1).
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: March 23, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki Kato, Mitsuteru Kondo, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda
  • Patent number: 10947381
    Abstract: A thermoplastic composition comprises: a copolycarbonate comprising bisphenol A carbonate units and second carbonate units of the formula (I) and optionally, a bisphenol A homopolycarbonate; wherein the second carbonate units are present in an amount of 10 to 49 mol % based on the sum of the moles of the copolycarbonate and the bisphenol A homopolycarbonate, the copolycarbonate comprises less than 2 ppm by weight of each of an ion of lithium, sodium, potassium, calcium, magnesium, ammonium, chlorine, bromine, fluorine, nitrite, nitrate, phosphite, phosphate, sulfate, formate, acetate, citrate, oxalate, trimethylammonium, and triethylammonium, as measured by ion chromatography, and the thermoplastic composition has a bisphenol A purity of at least 99.6%, or at least 99.7% as determined by high performance liquid chromatography. The thermoplastic composition has a Vicat B120 of 155° C. or higher; and an increase in yellowness index of less than 10 during 1000 hours of heat aging at 155° C.
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: March 16, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Mark Adrianus Johannes Van Der Mee, Nathalie Gonzalez Vidal, Fabrizio Micciche, Roland Sebastian Assink, Kazuhiko Mitsui, Johannes De Brouwer, Shahram Shafaei, Hendrikus Petrus Cornelis Van Heerbeek, Tamara Marijke Eggenhuisen, Robert Dirk Van De Grampel
  • Patent number: 10927216
    Abstract: Provided is a high molecular weight aromatic polycarbonate resin manufacturing method that suppresses the occurrence of heterogeneous structures and can achieve a sufficiently high molecular weight. A high molecular weight aromatic polycarbonate resin manufacturing method including: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is transferred to a prepolymer mixing tank via a transfer pipe, with a transfer period of 10 hours or less; a step in which the transferred catalyst composition and an aromatic polycarbonate prepolymer are mixed in the prepolymer mixing tank to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: February 23, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori Isahaya, Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun-ya Hayakawa, Takehiko Isobe, Yousuke Shinkai, Keisuke Shimokawa
  • Patent number: 10913827
    Abstract: A process for the manufacture of polycarbonate particles is disclosed herein. The process includes combining a first solution including a polycarbonate and a phosphorus-containing flame retardant or a flame retardant polycarbonate, and an organic solvent with a second solution including a surfactant and an aqueous solvent substantially immiscible with the organic solvent, under conditions of shear and temperature effective to provide an emulsion. At least a portion of the organic solvent is removed from the emulsion to provide an aqueous slurry having a plurality of particles, wherein the particles include the polycarbonate and the phosphorus-containing flame retardant or the flame retardant polycarbonate.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: February 9, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Zeljko Kuzeljevic, Viswanathan Kalyanaraman, Rahul Patil, Kapil Inamdar, Zachary Anderson, William E. Hollar, Sasi Sethumadhavan Kannamkumarath
  • Patent number: 10894860
    Abstract: A high molecular weight aromatic polycarbonate resin manufacturing method that can achieve good quality and sufficiently high molecular weight includes: a step in which a dialcohol compound expressed by general formula (1) and a catalyst are mixed to obtain a catalyst composition; a step in which the obtained catalyst composition is transferred to a prepolymer mixing tank via a transfer pipe; a step in which the transferred catalyst composition and an aromatic polycarbonate prepolymer are mixed in the prepolymer mixing tank, under a pressure that is greater than or equal to the vapor pressure of the dialcohol compound at the temperature of the prepolymer mixing tank and is less than or equal to 5 MPa, to obtain a prepolymer mixture; and a high molecular weight achievement step in which the obtained prepolymer mixture is heat-treated under reduced pressure conditions to obtain a high molecular weight aromatic polycarbonate resin.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: January 19, 2021
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshinori Isahaya, Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun-ya Hayakawa, Takehiko Isobe, Yousuke Shinkai, Keisuke Shimokawa
  • Patent number: 10865275
    Abstract: Embodiments of the present disclosure describe initiating systems comprising an activator and an initiator, wherein the activator includes an alkyl borane or alkyl aluminum, wherein the initiator includes an organic cation and either an alkali metal or a compound containing an active protic hydrogen. Embodiments of the present disclosure further describe methods of making a polycarbonate comprising contacting a cyclic monomer and carbon dioxide in the presence of an activator and an initiator to form a polycarbonate, wherein the catalyst is one or more of an alkyl borane and alkyl aluminum, wherein the initiator includes an organic cation and either an alkali metal or a compound containing an active protic hydrogen.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: December 15, 2020
    Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yves Gnanou, Xiaoshuang Feng, Dongyue Zhang, Yahya Alzahrany, Senthil Boopathi, Nikolaos Hadjichristidis
  • Patent number: 10836859
    Abstract: In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO2 and epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having two or more sites that can initiate polymerization. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups and a high percentage of carbonate linkages. The compositions are further characterized in that they contain polymer chains having an embedded polyfunctional moiety linked to a plurality of individual polycarbonate chains.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 17, 2020
    Assignee: Saudi Aramco Technologies Company
    Inventors: Scott D. Allen, Geoffrey W. Coates, Anna E. Cherian, Chris A. Simoneau, Alexei A. Gridnev, Jay J. Farmer
  • Patent number: 10829635
    Abstract: The present disclosure relates to an economical method of preparing a resin composition including a polyalkylene carbonate with improved thermal stability and processability. More specifically, the method of preparing a resin composition includes the steps of polymerizing carbon dioxide and an epoxide compound in the presence of a zinc-based catalyst and a solvent, recovering monomers, removing the catalyst and recovering raw materials, solution-blending with a thermostable resin to improve the thermal stability and processability, and removing the solvent and byproducts from the reaction mixture by using an agitated flash drum and an extrusion or kneader-type devolatilizer.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: November 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jun Wye Lee, Seung Young Park, Jin Woo Lee, Hyun Ju Cho, Jung Min Sohn, Yoon Jung Kim, Bo Hyun Seong, Taek Jun Jung, Yun Ki Cho, Yong Hee An, Sung-Kyoung Kim, Hyun Min Kim
  • Patent number: 10822453
    Abstract: The present invention provides a wholly aromatic liquid crystalline polyester resin having an excellent heat resistance while having an extremely low dielectric tangent.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: November 3, 2020
    Assignee: ENEOS CORPORATION
    Inventor: Gosuke Washino
  • Patent number: 10787540
    Abstract: The present invention provides a thermally decomposable binder that achieves a reduced residual carbon after sintering, and that can be subjected to a dewaxing treatment at a relatively low temperature in a non-oxidative atmosphere. More specifically, the present invention provides an aliphatic polycarbonate that has a structure obtained by neutralizing a Brønsted acid with an organic onium salt in a side chain.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: September 29, 2020
    Assignees: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD
    Inventors: Koji Nakano, Kiyoshi Nishioka, Shizuka Hachiken
  • Patent number: 10759755
    Abstract: The present invention addresses the problem of providing; a novel bisphenol compound having an indoline skeleton; and a novel aromatic polycarbonate which uses this bisphenol compound as a starting material dihydroxy compound. The above-described problem is able to be solved by an aromatic polycarbonate that contains a repeating unit represented by general formula (2).
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: September 1, 2020
    Assignee: Honshu Chemical Industry Co., Ltd.
    Inventors: Shun Mizoguchi, Xuwang Lu
  • Patent number: 10752614
    Abstract: The invention generally relates to functional polymers and hydrogels. More particularly, the invention provides versatile monomers and polymers with well-defined functionalities, e.g., polycarbonates and poly(ester-carbonates), compositions thereof, and methods for making and using the same. The invention also provides cytocompatible poly(ethylene glycol)-co-polycarobonate hydrogels (e.g., crosslinked by copper-free, strain-promoted “click” chemistry).
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: August 25, 2020
    Assignee: University of Massachusetts
    Inventors: Jie Song, Jianwen Xu
  • Patent number: 10746676
    Abstract: An interfacial process for preparing a poly(aliphatic ester-carbonate) includes providing an initial polymerization reaction mixture comprising an aliphatic C6-20 dicarboxylic acid, a bisphenol, an alkali hydroxide, and optionally a catalyst in a solvent system comprising water and an immiscible organic solvent, adding an initial portion of a carbonyl dihalide over a first time period while maintaining the reaction at a first pH from 7 to 8; and adding a second portion of the carbonyl dihalide over a second, subsequent time period while maintaining the reaction pH at a second pH from 9 to 12, to provide a product polymerization mixture, wherein the amount of alkali hydroxide in the initial polymerization reaction mixture is effective to increase the fraction of the first time period at a measured pH of 7 to 8 compared to the same reaction mixture with a higher amount of alkali hydroxide in the initial polymerization mixture.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: August 18, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Rahul Patil, Shankar Kollengodu Subramanian, James Franklin Hoover, Guangxin Lin
  • Patent number: 10717814
    Abstract: The purpose of the present invention is to provide a polycarbonate resin which has high fluidity and with which mold fouling such as mold deposits, etc., can be reduced. The polycarbonate resin according to the present invention has a terminal structure represented by general formula (1), and a viscosity-average molecular weight of 10,000-18,000, wherein the contained amount of low-molecular-weight carbonate compounds having a molecular weight of 1,000 or less contained in the polycarbonate resin is less than 1 mass %.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: July 21, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yuusuke Nii, Shun Ishikawa
  • Patent number: 10703864
    Abstract: Polymeric BODIPY dyes including light harvesting BODIPY unit-comprising multichromophores are provided. In some embodiments, the dyes are polymeric tandem dyes that include a light harvesting BODIPY unit-comprising multichromophore and an acceptor chromophore covalently linked to the multichromophore in energy-receiving proximity therewith. The polymeric tandem dyes may be covalently linked to a specific binding member. Also provided are methods of evaluating a sample for the presence of a target analyte and methods of labelling a target molecule using compositions including the polymeric tandem dyes. Kits and systems for practicing the subject methods are also provided.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: July 7, 2020
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventors: Glenn P. Bartholomew, Brent S. Gaylord, Lucy Zhao
  • Patent number: 10689492
    Abstract: In an embodiment, a method of dewatering a wet polymer composition comprises introducing the wet polymer composition via a polymer feed location to a powder conveying section of an extruder; wherein the wet polymer composition comprises greater than or equal to 1 wt % of water based on the total weight of the wet polymer composition; venting the water through a conveying section vent to form a dry polymer composition; melt kneading the dry polymer composition in a melt kneading section of the extruder to form a polymer melt; conveying the polymer melt in a melt conveying section of the extruder; and adding an additive in one or both of the powder conveying section and the melt conveying section.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: June 23, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Pieter Jan Antoon Janssen, Nathalie Gonzalez Vidal, Lourdes Virginia Serna Felix
  • Patent number: 10689487
    Abstract: The present invention makes it possible to provide a polycarbonate copolymer including structural units represented by general formula (K) and structural units represented by general formula (1). (In general formula (K), R represents H, CH3 or CH2CH3.) (In general formula (1), Q represents a C5 or higher aliphatic hydrocarbon group optionally including a hetero atom.).
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: June 23, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventor: Manabu Hirakawa
  • Patent number: 10669437
    Abstract: A method comprising: providing a powder composition including at least one ultrafine, spherical thermoplastic polymer powder having a glass transition temperature (Tg) of at least 150 degrees C.; and powder bed fusing the powder composition to form a three-dimensional article.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: June 2, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Keith E. Cox, Franciscus Maria Huijs, Viswanathan Kalyanaraman
  • Patent number: 10655010
    Abstract: The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid which has a markedly reduced low molecular weight component, has no or markedly reduced chlorine-containing compounds, has a high loose bulk density and is easy to handle. This purpose is met by an aromatic polycarbonate oligomer solid which includes a repeating unit represented by general formula (1), has a weight average molecular weight of 500-10000, has a low molecular weight component of less than or equal to 5.0 area % in high performance liquid chromatography measurement, and has a loose bulk density of greater than or equal to 0.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: May 19, 2020
    Assignee: Honshu Chemical Industry Co., Ltd.
    Inventors: Mitsutaka Ozaki, Miwa Hashimoto, Takahiro Onishi, Takeru Suto
  • Patent number: 10654973
    Abstract: A process for producing polycarbonate comprising contacting a dihydroxy capped carbonate and a diaryl carbonate in a reaction zone in the presence of a polymerization catalyst under polymerization conditions to produce polycarbonate. The dihydroxy capped carbonate is a carbonate with a dihydroxy compound on each end, and it is formed by the reaction of a dihydroxy compound with a dialkyl carbonate. The dihydroxy compound is a dihydroxy aromatic compound.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 19, 2020
    Assignee: Shell Oil Company
    Inventors: Garo Garbis Vaporciyan, Kunquan Yu
  • Patent number: 10654972
    Abstract: The present invention provides a method for producing a thermoplastic resin by reacting reactants comprising a dihydroxy compound.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: May 19, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki Kato, Mitsuteru Kondo, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda
  • Patent number: 10654971
    Abstract: The purpose of the present invention is to provide an aromatic polycarbonate oligomer solid which has a markedly reduced low molecular weight component, has no or markedly reduced chlorine-containing compounds, has a high loose bulk density and is easy to handle. This purpose is met by an aromatic polycarbonate oligomer solid which includes a repeating unit represented by general formula (1), has a weight average molecular weight of 500-10000, has a low molecular weight component of less than or equal to 5.0 area % in high performance liquid chromatography measurement, and has a loose bulk density of greater than or equal to 0.21 g/cm3.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: May 19, 2020
    Assignee: Honshu Chemical Industry Co., Ltd.
    Inventors: Mitsutaka Ozaki, Miwa Hashimoto, Takahiro Onishi, Takeru Suto
  • Patent number: 10640609
    Abstract: A process for producing polycarbonate comprising: a) contacting a dialkyl carbonate with a dihydroxy compound in an oligomerization zone in the presence of an oligomerization catalyst under oligomerization conditions to form a first intermediate; and b) contacting the first intermediate with a diaryl carbonate in a polymerization zone in the presence of a polymerization catalyst under polymerization conditions to produce the polycarbonate wherein the molar ratio of dihydroxy compound to dialkyl carbonate in the oligomerization zone is at least 2:1.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 5, 2020
    Assignee: SHELL OIL COMPANY
    Inventors: Garo Garbis Vaporciyan, Kunquan Yu
  • Patent number: 10640642
    Abstract: It is an object of the present invention to provide a method for obtaining a resin composition in which coloration is suppressed. According to an embodiment, provided is a method for producing a resin composition, including: (a) obtaining a resin by polymerization of a resin raw material containing a compound represented by formula (1) below and (b) obtaining a resin composition by mixing an additive into the resin, wherein a polymerization temperature T1 in step (a) falls within the range of 230° C.<T1<250° C., and a mixing temperature T2 in step (b) falls within the range of 250° C.?T2<280° C.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: May 5, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki Kato, Mitsuteru Kondo, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda
  • Patent number: 10634819
    Abstract: Provided is a resin composition that exhibits excellent strength and fluidity. According to one embodiment, the provided resin composition contains a resin containing a repeating unit derived from a compound represented by general formula (1), and also contains a polymer having an end structure represented by general formula (A) and/or contains a compound represented by general formula (B).
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: April 28, 2020
    Assignee: MlTSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki Kato, Mitsuteru Kondo, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda
  • Patent number: 10633487
    Abstract: The disclosure concerns healable polycarbonate resins comprising at least about 5 mol % of disulfide units, articles comprising the healable polycarbonate resin, and methods of activating the healable polycarbonate resin by exposing the healable polycarbonate resin to heat or radiation.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 28, 2020
    Assignee: SABIC Global Technologies B.V.
    Inventors: Mukesh Agrawal, Gaurav Mediratta, Gurunath Pozhal Vengu, Arun Sikder
  • Patent number: 10633494
    Abstract: A method of producing a product, for example a stretch blow moulded container having a metallic or pearlescent appearance, comprises selecting a mass, for example a container preform, comprising a thermoplastic polymer which incorporates a carrier polymer and stretching the thermoplastic polymer during production of said product, for example from said mass. Said carrier polymer is suitably polydimethylsiloxane and the mass may be made in a process which comprises contacting a thermoplastic polymer with a liquid formulation comprising carrier polymer and colourant.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: April 28, 2020
    Assignee: COLORMATRIX HOLDINGS, INC.
    Inventors: Andrew Overend, Patrick Brown, Neil Davies
  • Patent number: 10604623
    Abstract: Disclosed is a polycarbonate resin including a constitutional unit represented by Formula (1). The resin provides a molded article having a sufficiently low Abbe number and excellent durability under high temperature and high humidity. R1 to R4 are a hydrogen atom or a substituent having ?p of less than ?0.15, R5 to R7 represent a substituent, Ar11 and Ar12 represent an aryl or heteroaryl group, and Ar13 is an aromatic fused ring group.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: March 31, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naoyuki Morooka, Shigeki Uehira, Takafumi Nakayama
  • Patent number: 10597488
    Abstract: A method of preparing a poly(ester-carbonate) includes contacting an aqueous solution including a dicarboxylic acid with a first solution including phosgene and a first organic solvent in a tubular reactor to provide a first reaction mixture. A dihydroxy aromatic compound, the corresponding dialkali metal salt of the dihydroxy aromatic compound, or a combination comprising at least one of the foregoing, water, and a second organic solvent are combined to provide a second reaction mixture. The method further includes introducing the first reaction mixture, the second reaction mixture, and a second solution comprising phosgene to a tank reactor, wherein the tank reactor has a first pH of 7 to 10. The pH is optionally raised to 9 to 11 to provide a third reaction mixture including the poly(ester-carbonate). Poly(ester-carbonate)s prepared according to the method described herein are also disclosed.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: March 24, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Pankaj Singh Gautam, Rahul Patil, Jorge Jimenez, Joshua D. Taylor, James Alan Mahood, James Franklin Hoover
  • Patent number: 10597498
    Abstract: A method of preparing a partially crystalline polycarbonate powder, including: dissolving an amorphous polycarbonate in a halogenated alkane solvent to form a solution; combining the solution with a crystallizing non-solvent that is miscible with the halogenated alkane solvent, under high shear mixing conditions effective to form a partially crystalline polycarbonate precipitate having a D90 particle size of less than 150 micrometers; an average particle diameter of less than or equal to 100 micrometers, or an average particle diameter of 0 to 100 micrometers; and at least 20% crystallinity, or at least 25% crystallinity, or 25 to 35% crystallinity.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: March 24, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Chiel Albertus Leenders
  • Patent number: 10597489
    Abstract: Disclosed is a polycarbonate resin having a constitutional unit represented by Formula (1). The resin provides a molded article having a sufficiently low Abbe number and having high abnormal dispersibility may be molded. Y1 and Y2 are an oxygen, sulfur, nitrogen or carbon atom; Z is an atomic group for forming a 5- to 7-membered ring; R5 to R8 represent a substituent; and Ar11 and Ar12 represent an aryl or heteroaryl group.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: March 24, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Shigeki Uehira, Naoyuki Morooka, Takafumi Nakayama