Patents Assigned to Chang Chun Petrochemical Co., Ltd.
  • Patent number: 10982238
    Abstract: The present disclosure provides an Escherichia coli transformant and a method for producing itaconate using the Escherichia coli transformant.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: April 20, 2021
    Assignees: NATIONAL TSING HUA UNIVERSITY, CHANG CHUN PLASTICS CO., LTD., CHANG CHUN PETROCHEMICAL CO., LTD., DAIREN CHEMICAL CORPORATION
    Inventors: Roa-Pu Shen, Wei Lu, Tung-Yu Wang
  • Patent number: 10975181
    Abstract: Pellets of ethylene-vinyl alcohol copolymer having lamellar stacks of ethylene-vinyl alcohol copolymer with a long period determined by small-angle X-ray scattering of at least 8.35 nm. The lamellar stacks of ethylene-vinyl alcohol copolymer may have an average crystalline lamellar thickness of at least 6 nm. Additionally or alternatively, the lamellar stacks of ethylene-vinyl alcohol copolymer may have an average amorphous lamellar thickness of at least 2.35 nm. Methods are also provided for producing pellets of ethylene-vinyl alcohol copolymer, such as those having preferable lamellar stack properties, as described above.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 13, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chih Chieh Liang, Chia Ying Chen, Wen Hsin Lin, Huan Ming Chang
  • Patent number: 10975487
    Abstract: Provided are an electrolytic copper foil, and an electrode and a copper-clad laminate comprising the same. The electrolytic copper foil comprises a base copper layer having a drum side and a deposited side; wherein the electrolytic copper foil has a Charpy impact strength from 0.4 J/mm2 to 5.8 J/mm2.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: April 13, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10961378
    Abstract: Ethylene-vinyl alcohol pellet(s), films, and multi-layer structure formed therefrom, as well as methods for preparing such ethylene-vinyl alcohol pellets are provided herein. The ethylene-vinyl alcohol pellets have at least two melting point temperatures and a light transmittance of greater than 8% for visible light wavelengths. The ethylene-vinyl alcohol pellet may have a haze value of less than 99.8%. One method for producing the EVOH pellet includes: obtaining a first solution comprising a first ethylene-vinyl acetate having a first ethylene content; obtaining a second solution comprising a second ethylene-vinyl acetate having a second ethylene content that is different from the first ethylene content; solution mixing; saponification; pelletizing the mixed solution to form a pellet; contacting the pellet to a boron solution; and drying the pellet.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: March 30, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Wen Hsin Lin, Chih Chieh Liang, Chao Hsiang Hsu
  • Patent number: 10961375
    Abstract: The instant disclosure relates to ethylene vinyl alcohol copolymer resin composition and/or pellets thereof including one or more fluorine-containing micro-particles. The ethylene vinyl alcohol copolymer resin composition and/or pellets thereof may have a boron content of 10 to 450 ppm. EVOH films formed from the EVOH may have a Charpy impact strength of at least 2.5 KJ/m2 according to ISO 179-1 at 23° C. and an elongation at break of at least 18.2% according to ISO 527-2 at 23° C.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: March 30, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Hou Hsi Wu, Yu Hsiu Li
  • Patent number: 10923730
    Abstract: Electrodeposited copper foils possessing properties for manufacturing lithium ion rechargeable secondary batteries are described, including methods of making the electrodeposited copper foils, methods for making the battery, and the resultant battery. The electrodeposited copper foils have a specific burst strength in the range of 1.5 to 4.3 kPa*m2/g and a tensile strength in the range of 30 to 40 kgf/mm2. The deposited side of the electrodeposited copper foil has a surface hardness in the range of 0.2 to about 2.0 Gpa by nano indentation analysis to resist wrinkling during pressing of the active materials on the electrodeposited copper foil. The foil exhibits reduced copper burr formation and burr size after clipping.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: February 16, 2021
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Yao-Sheng Lai, Kuei-Sen Cheng, Jui-Chang Chou, Chien-Ming Lai
  • Patent number: 10826052
    Abstract: Provided are an electrolytic copper foil, an electrode comprising the same, and a lithium ion cell comprising the same. The electrolytic copper foil comprises first and second chromium layers each containing 15 ?g/dm2 to 50 ?g/dm2 of chromium, and has a resistivity of 1.72 ??*cm to 2.25 ??*cm. First and second surfaces thereof each have a contact angle of 15 to 50 degrees with oxalic acid, the first surface has a lightness of 17.5 to 40 and the second surface has a lightness of 38 to 60. With these characteristics, the electrolytic copper foil has good weatherability and good adhesion strength with the active materials, thereby improving the cycle life of the lithium ion cell comprising the same.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: November 3, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Jian-Ming Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10787751
    Abstract: Surface-treated copper foils comprising an electrodeposited copper foil including a drum side and a deposited side are reported. The treatment layer is disposed on one of the drum side and the deposited side and provides a surface-treated side. The treatment layer comprises a nodule layer and the surface-treated side exhibits a void volume (Vv) in a range of 0.1 to 0.9 ?m3/?m2. The surface-treated copper foil also has a combined hydrogen and oxygen content of less than or equal to 300 ppm.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 29, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Jian-Ming Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10781523
    Abstract: Provided are an electrolytic copper foil, an electrode comprising the same, and a lithium-ion battery comprising the same. The electrolytic copper foil comprises a drum side and a deposited side opposite each other. The drum side and the deposited side each have a Kurtosis (Sku) in a range of 1.8 to 6.4, a developed interfacial area ratio (Sdr) in a range of 0.06% to 13%, and a texture aspect ratio (Str) in a range of 0.1 to 1. With the surface morphology, the electrolytic copper foil has an improved adhesion strength with the active material, and thus improving the charge-discharge cycle life performance of the lithium-ion secondary battery.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: September 22, 2020
    Assignee: Chang Chun Petrochemicals Co., Ltd.
    Inventors: Huei-Fang Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10772199
    Abstract: Surface-treated copper foils that exhibit a material volume (Vm) less than 1.90 ?m3/?m2. Where the surface-treated copper foil is treated on the drum side and includes a treatment layer comprising a nodule layer. Such surface-treated copper foils can be used as a conductive material having low transmission loss, for example in circuit boards.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: September 8, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chien-Ming Lai, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10765010
    Abstract: Surface-treated copper foils that exhibit a material volume (Vm) in a range of 0.05 to 0.6 ?m3/?m2 and a yellowness index (YI) in a range of 17 to 52 are reported. Where the surface-treated copper foil is treated on the deposited side and includes a treatment layer comprising a nodule layer. Such surface-treated copper foils can be used as a conductive material having low transmission loss, for example in circuit boards.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 1, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Jian-Ming Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10717796
    Abstract: Extruded films comprising ethylene vinyl alcohol copolymer (EVOH) with substantially no blow holes therein, are formed by using a pellet feed to the extruder wherein 90-100 wt. % of the pellets pass through an ASTM size 5 sieve and 0-10 wt. % of the pellets are finer than a number 10 mesh (ASTM Sieve size). Uniform feeding to and through the extruder with a lack of bridging of the EVOH pellet feed have been observed.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: July 21, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huan Ming Chang, Weng Shing Lin, Chih Chieh Liang, Chia Hao Hsu
  • Patent number: 10711124
    Abstract: The instant disclosure relates to ethylene vinyl alcohol pellets including one or more fluorine-containing micro-particles having a particle size that is not greater than 20 ?m. The EVOH films formed from the EVOH pellets may have a Charpy impact strength of at least 2.45 KJ/m2 according to ISO 179-1 at 23° C. and an elongation at break of at least 17.8% according to ISO 527-2 at 23° C.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: July 14, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Hou Hsi Wu, Wen Hsin Lin
  • Patent number: 10697082
    Abstract: The present disclosure relates to an improved, surface-treated copper foil that is resistant to rusting and discoloration. More specifically, the surface-treated copper foil is chromium-free and includes: (a) a copper foil; optionally, (b) a barrier layer on one or both sides of the copper foil, the barrier layer comprising Ni, Zn, Co, Mn, Sn or a mixture thereof; and (c) an organic layer coupled to the one or both sides of the copper foil or one or both barrier layer(s), wherein the sum total of the N, S, and Si elements of the organic layer is more than 5 normalized atomic %.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: June 30, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Kuei-Sen Cheng, Jui-Chang Chou
  • Patent number: 10697077
    Abstract: Provided is an electrolytic copper foil. The electrolytic copper foil has a drum side and a deposited side, wherein ?Rz is less than 0.8 ?m; the electrolytic copper foil has a transverse direction, wherein the electrolytic copper foil is divided into 10 test pieces with the same width and the same length, and each two adjacent ones of the 10 test pieces have a weight deviation therebetween, and a count of the weight deviation(s) greater than or equal to 1.5% is smaller than a count of the weight deviations smaller than 1.
    Type: Grant
    Filed: August 24, 2019
    Date of Patent: June 30, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chien-Ming Lai, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10676578
    Abstract: The present disclosure relates to an interlayer film for laminated glass comprising: (a) polyvinyl butyral (PVB) resin having an average molecular weight (Mw) as measured by Gel Permeation Chromatography (GPC) from about 175,000 to about 210,000 Dalton; and (b) about 30 to about 50 parts per hundred (pph) of a plasticizer. The interlayer film interposed between two glass sheets forms laminated glass having a pummel adhesion value that is greater in an outer area of the laminated glass than in a middle area of the laminated glass after the laminated glass has been maintained at 50° C. and 95% relative humidity (RH) for 28 days. The laminated glass exhibits improved durability and does not delaminate over time, even in the presence of high temperature and humidity conditions.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 9, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chin-Yen Chang, Cheng-Fan Wang
  • Patent number: 10665865
    Abstract: The present disclosure provides an electrodeposited copper foil having a puncture strength value and a tear strength value. A ratio of the puncture strength value to the tear strength value is from 14 to 64. The present disclosure also provides a lithium-ion secondary battery. The lithium-ion secondary battery is manufactured by using the electrodeposited copper foil and has excellent charge-discharge cycle life.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: May 26, 2020
    Assignee: Chang Chun Petrochemical Co., Ltd.
    Inventors: Huei-Fang Huang, Kuei-Sen Cheng, Jui-Chang Chou, Yao-Sheng Lai
  • Patent number: 10633677
    Abstract: A butanol expression cassette includes a butanol production related genes and a fermentation regulatory element. The fermentation regulatory element controls the expression of the butanol production related gene and locates upstream of the butanol production related gene. The fermentation regulatory element includes a promoter, a ribosome binding site and a transcription factor binding site of a fermentation gene. A fermentation in which the fermentation regulatory element involves includes an acetic acid fermentation, an alcohol fermentation, a succinic acid fermentation or a lactic acid fermentation, the butanol production related gene is not the fermentation gene or a gene of an upstream product of the fermentation in which the fermentation gene involves. The present invention provides a recombinant plasmid formed by cloning the butanol expression cassettes in the expression vector.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: April 28, 2020
    Assignees: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd.
    Inventors: Roa-Pu Shen, Rex C. Wen
  • Patent number: 10619262
    Abstract: Electrodeposited copper foils having properties suitable for use as current collectors in lithium-ion secondary batteries are disclosed. The electrodeposited copper foils include a drum side and a deposited side. At least one of the deposited side or the drum side has a root mean square slope (R?q) in the range of about 0.03 to about 0.23. In this manner, the copper foil has good durability and workability, as well as good performance as current collectors in lithium-ion secondary batteries.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: April 14, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Yao-Sheng Lai, Jui-Chang Chou
  • Patent number: 10622637
    Abstract: Electrodeposited copper foils having properties suitable for use as current collectors in lithium-ion secondary batteries are disclosed. The electrodeposited copper foils include a drum side and a deposited side. At least one of the deposited side or the drum side exhibits a void volume (Vv) value in the range of 0.17 to 1.17 ?m3/?m2.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 14, 2020
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Huei-Fang Huang, Yao-Sheng Lai, Jui-Chang Chou