Patents by Inventor Shinn-Jen Chang
Shinn-Jen Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220363944Abstract: An inkjet ink is provided. The inkjet ink includes a modified high-performance engineering plastic, a polar solvent, and a wetting agent. Additionally, a 3D printing method and a 3D printing object are provided. The modified high-performance engineering plastic includes modified polyphenylene sulfide, modified polyether-ether-ketone, modified polyether sulfone, modified polyphenylsulfone, or modified polysulfone.Type: ApplicationFiled: April 29, 2022Publication date: November 17, 2022Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Tsung PAN, Shinn-Jen CHANG, Wesley Jen-Yang CHANG, Feng-Meei WU, Po-Hsien HO, Chung-Han YU
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Publication number: 20210340693Abstract: A method of preparing fiber includes blending bio-compatible ceramic powder and first polyester to form a ceramic powder composition, wherein the bio-compatible ceramic powder and the first polyester have a weight ratio of 10:90 to 60:40. The method further includes blending the ceramic powder composition and second polyester to form a composite material, wherein the ceramic powder composition and the second polyester have a weight ratio of 0.4:99.6 to 40:60. The method also spins the composite material to form a fiber. The first polyester has an intrinsic viscosity (IV) of 0.35 dL/g to 0.55 dL/g, and the second polyester has an intrinsic viscosity (IV) of 0.6 dL/g to 0.8 g/dL. The fiber can be woven to form an artificial ligament/tendon.Type: ApplicationFiled: April 29, 2021Publication date: November 4, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Shinn-Jen CHANG, Wesley Jen-Yang CHANG, Hsin-Hsin SHEN, Pei-Yi TSAI
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Patent number: 10954346Abstract: An ink is provided, which includes a resin, UV curable monomer, and photo initiator. The resin is formed by reacting a plurality of end capping agents with a dendrimer compound in an environment including esterification catalyst, inhibitor, and first solvent. The dendrimer compound is formed by reacting a multi-hydroxy compound and a plurality of hydroxy-containing epoxy compounds in an environment including alkaline catalyst and second solvent. The multi-hydroxy compound and the hydroxy-containing epoxy compounds have a molar ratio of 1:6 to 1:20, and the multi-hydroxy compound and the end capping agents have a molar ratio of 1:6 to 1:20. The end capping agents include acrylic acid, methacrylic acid, glycidyl methacrylate, or 2-amino acrylic acid. The resin and the UV curable monomer have a weight ratio of 100:30 to 100:5000, and the resin and the photo initiator have a weight ratio of 100:30 to 100:500.Type: GrantFiled: December 27, 2018Date of Patent: March 23, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsi-Kang Shih, Shinn-Jen Chang, Chung Huan Hsu, Yu Chun Shen
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Publication number: 20210070947Abstract: An aqueous polymer is provided, which is formed by neutralizing a copolymer modified by polyalkylene glycol with ammonia, primary amine, secondary amine, or a combination thereof, wherein the copolymer is copolymerized from an anhydride monomer with a double bond, a monomer with a double bond, and an initiator. The aqueous polymer can be mixed and dispersed with water and pigment powder to form a dispersion. The dispersion can be mixed with binder to form an aqueous paint.Type: ApplicationFiled: December 26, 2019Publication date: March 11, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cha-Wen CHANG, Ruo-Han YU, Shinn-Jen CHANG, Yu-Hui CHEN, Jen-Yu CHEN
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Publication number: 20210070925Abstract: An aqueous polymer is formed by neutralizing a copolymer modified by polyalkylene glycol with ammonia, primary amine, secondary amine, inorganic base, or a combination thereof, wherein the copolymer is copolymerized from an anhydride monomer with a double bond, a monomer with a double bond, and an initiator. The aqueous polymer can be mixed and dispersed with water and pigment powder to form a dispersion. The dispersion can be mixed with binder to form an aqueous paint.Type: ApplicationFiled: September 3, 2020Publication date: March 11, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cha-Wen CHANG, Ruo-Han YU, Shinn-Jen CHANG, Yu-Hui CHEN, Jen-Yu CHEN
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Publication number: 20210008618Abstract: Provided is a forming method of a metal layer suitable for a 3D printing process. The method includes the steps of (1) providing first metal particles on a substrate to form a first layer; (2) performing a first pre-heat treatment on the first layer; (3) applying an oxide-removing agent on selected first metal particles in the first layer to remove metal oxides; (4) providing second metal particles on the first layer to form a second layer; (5) performing a second pre-heat treatment on the second layer; (6) applying the oxide-removing agent on selected second metal particles in the second layer to remove metal oxides; repeating (1) to (6) until a latent part is formed; performing a first heat treatment on the first and second metal particles of the latent part to form a near shape; and performing a second heat treatment on the near shape to form a sintered body.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Applicant: Industrial Technology Research InstituteInventors: Yi-Tsung Pan, Jer-Young Chen, Chuan-Sheng Chuang, Shinn-Jen Chang, Chi-San Chen, Li-Shing Chou
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Publication number: 20200384687Abstract: A composite material is provided, which includes powder of a polymer uniformly distributed in a blend of the polymer and a compound. The polymer and the compound have similar molecular structure. The compound has a first initially melting temperature and a first completely melting temperature. The polymer has a second initially melting temperature and a second completely melting temperature. The first completely melting temperature is lower than the second initially melting temperature.Type: ApplicationFiled: June 8, 2020Publication date: December 10, 2020Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Tsung PAN, Shinn-Jen CHANG, Wesley Jen-Yang CHANG, Jer-Young CHEN, Feng-Meei WU
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Publication number: 20200207923Abstract: An ink is provided, which includes a resin, UV curable monomer, and photo initiator. The resin is formed by reacting a plurality of end capping agents with a dendrimer compound in an environment including esterification catalyst, inhibitor, and first solvent. The dendrimer compound is formed by reacting a multi-hydroxy compound and a plurality of hydroxy-containing epoxy compounds in an environment including alkaline catalyst and second solvent. The multi-hydroxy compound and the hydroxy-containing epoxy compounds have a molar ratio of 1:6 to 1:20, and the multi-hydroxy compound and the end capping agents have a molar ratio of 1:6 to 1:20. The end capping agents include acrylic acid, methacrylic acid, glycidyl methacrylate, or 2-amino acrylic acid. The resin and the UV curable monomer have a weight ratio of 100:30 to 100:5000, and the resin and the photo initiator have a weight ratio of 100:30 to 100:500.Type: ApplicationFiled: December 27, 2018Publication date: July 2, 2020Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsi-Kang SHIH, Shinn-Jen CHANG, Chung Huan HSU, Yu Chun SHEN
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Publication number: 20200147683Abstract: Provided is a forming method of a metal layer suitable for a 3D printing process. The method includes the steps of providing a plurality of metal particles on a substrate; applying an oxide-removing agent to the metal particles to remove metal oxides on the metal particles; at a first temperature, performing a first heat treatment on the metal particles for which the metal oxides are removed to form a near shape; and at a second temperature, performing a second heat treatment on the near shape to form a sintered body. The first temperature is lower than the second temperature.Type: ApplicationFiled: November 7, 2019Publication date: May 14, 2020Applicant: Industrial Technology Research InstituteInventors: Yi-Tsung Pan, Jer-Young Chen, Chuan-Sheng Chuang, Shinn-Jen Chang, Chi-San Chen, Li-Shing Chou
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Publication number: 20190127599Abstract: A dispersion of IR absorption particles is provided, which includes 100 parts by weight of IR absorption particles, 5 to 30 parts by weight of diblock copolymer, and 200 to 910 parts by weight of water, wherein the diblock copolymer includes (a) first block of and (b) second block of wherein (a) first block is chemically bonded to (b) second block; R1 is H or CH3; R2 is H or CH3; R3 is R4 is C1-10 alkyl group; M? is Na+, NH4+, or NH(C2H4OH)3+; m=10-20; n=2-20; and x=0-4.Type: ApplicationFiled: October 30, 2018Publication date: May 2, 2019Applicant: Industrial Technology Research InstituteInventors: Jer-Young CHEN, Yi-Tsung PAN, Shinn-Jen CHANG, Cha-Wen CHANG, Feng-Meei WU, Chen-Yu CHEN, Ping-Chen CHEN, Ching-Sung CHEN
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Patent number: 10213758Abstract: A polymer is disclosed, which includes a structure of Formula 1 or Formula 2. R1 is a C2-18 alkylene group or a C6-18 arylene group, R2 is a C1-18 alkyl group, and R3 is a functional group of Formula 3. Each of X1, X2, X3, X4, X5, and X6, being the same or different, is H or methyl. Each of p, q, and r, being the same or different, is an integer of 1 to 60. R4 is —C2H4—, —C3H6—, Each of m and n, being the same or different, is an integer of 0 to 50, and m+n?0.Type: GrantFiled: October 31, 2016Date of Patent: February 26, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cha-Wen Chang, Ching-Mao Huang, Shinn-Jen Chang, Yu-Hui Chen, Wan-Jung Teng, Shu-Ya Tsai, Jen-Yu Chen
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Publication number: 20170128899Abstract: A polymer is disclosed, which includes a structure of Formula 1 or Formula 2. R1 is a C2-18 alkylene group or a C6-18 arylene group, R2 is a C1-18 alkyl group, and R3 is a functional group of Formula 3. Each of X1, X2, X3, X4, X5, and X6, being the same or different, is H or methyl. Each of p, q, and r, being the same or different, is an integer of 1 to 60. R4 is —C2H4—, —C3H6—, Each of m and n, being the same or different, is an integer of 0 to 50, and m+n?0.Type: ApplicationFiled: October 31, 2016Publication date: May 11, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cha-Wen CHANG, Ching-Mao HUANG, Shinn-Jen CHANG, Yu-Hui CHEN, Wan-Jung TENG, Shu-Ya TSAI, Jen-Yu CHEN
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Patent number: 9115271Abstract: Disclosed is a carbon nanotube powder, including a carbon nanotube averagely mixed with a dispersant, wherein the carbon nanotube and the dispersant have a weight ratio of 30:70 to 90:10. The carbon nanotube has a diameter of 10 nm to 100 nm, and a length/diameter ratio of 100:1 to 5000:1. The dispersant is an alternative copolymer, a block copolymer, or a random copolymer polymerized of a solvation segment (A) and a carbon affinity group (B). The carbon nanotube powder can be blended with a thermoplastic material to form a composite, wherein the carbon nanotube and the composite have a weight ratio of 0.5:100 to 50:100.Type: GrantFiled: January 12, 2012Date of Patent: August 25, 2015Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: An-En Hsiao, Shinn-Jen Chang, Shu-Ya Tsai, Mei-Wen Hsu
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Patent number: 8808444Abstract: The disclosure provides a functionalized soybean compound, and a coating composition employing the same. The functionalized soybean compound has the chemical structure represented below: wherein, each n is independent and an integer from 1 to 10; each m is independent and an integer from 1 to 10; each x is independent and can be 1 or 2; and each R1 is independent and can be hydroxyl group, wherein i can be 1, or 2, j can be an integer from 4 to 60, R2 can be hydrogen, C1-3 alkyl group, or acrylic group, R3 and R4 are hydrogen, or R3 and R4 are linked together with the carbon atoms to which R3 and R4 are attached to form a saturated and unsaturated six-membered ring, and R6, R7, and R8 are independent and can be hydrogen, or C1-6 alkyl group.Type: GrantFiled: April 20, 2012Date of Patent: August 19, 2014Assignee: Industrial Technology Research InstituteInventors: Chi-Shen Tuan, Chun-Yao Ou, Shinn-Jen Chang
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Publication number: 20130139726Abstract: The disclosure provides a functionalized soybean compound, and a coating composition employing the same. The functionalized soybean compound has the chemical structure represented below: wherein, each n is independent and an integer from 1 to 10; each m is independent and an integer from 1 to 10; each x is independent and can be 1 or 2; and each R1 is independent and can be hydroxyl group, wherein i can be 1, or 2, j can be an integer from 4 to 60, R2 can be hydrogen, C1-3 alkyl group, or acrylic group, R3 and R4 are hydrogen, or R3 and R4 are linked together with the carbon atoms to which R3 and R4 are attached to form a saturated and unsaturated six-membered ring, and R6, R7, and R8 are independent and can be hydrogen, or C1-6 alkyl group.Type: ApplicationFiled: April 20, 2012Publication date: June 6, 2013Inventors: Chi-Shen TUAN, Chun-Yao Ou, Shinn-Jen Chang
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Publication number: 20130062574Abstract: Disclosed is a carbon nanotube powder, including a carbon nanotube averagely mixed with a dispersant, wherein the carbon nanotube and the dispersant have a weight ratio of 30:70 to 90:10. The carbon nanotube has a diameter of 10 nm to 100 nm, and a length/diameter ratio of 100:1 to 5000:1. The dispersant is an alternative copolymer, a block copolymer, or a random copolymer polymerized of a solvation segment (A) and a carbon affinity group (B). The carbon nanotube powder can be blended with a thermoplastic material to form a composite, wherein the carbon nanotube and the composite have a weight ratio of 0.5:100 to 50:100.Type: ApplicationFiled: January 12, 2012Publication date: March 14, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: An-En HSIAO, Shinn-Jen CHANG, Shu-Ya TSAI, Mei-Wen HSU
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Publication number: 20090266788Abstract: The invention discloses a method for fabricating a conductive pattern on a flexible substrate. A flexible substrate having a conductive layer thereon is provided. A protective ink is screen printed on the conductive layer, wherein a portion of the conductive layer is exposed through the protective ink. The exposed portion of the conductive layer is removed by etching using the protective ink as a mask. The protective ink is then removed, thus providing a conductive pattern with a minimum line width of not greater than 150 ?m. The invention also discloses a composition for the protective ink.Type: ApplicationFiled: July 16, 2008Publication date: October 29, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Shinn-Jen CHANG, Feng-Mei Wu, Wen-Hsuan Chao, Shih-Hsien Liu
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Patent number: 7591890Abstract: A photocurable pigment type inkjet ink composition including 5 to 95 wt % of water; 0.5 to 20 wt % of a pigment; 1 to 70 wt % of a photocurable component; and 0.0001 to 30 wt % of a reactive surfactant. The reactive surfactant can serve as a pigment dispersant for dispersing pigment particles or as an emulsifier for emulsifying the photocurable component.Type: GrantFiled: September 21, 2006Date of Patent: September 22, 2009Assignee: Industrial Technology Research InstituteInventors: Chi-Jung Chang, Shu-chen Tsou, Feng-Mei Wu, Shinn-Jen Chang
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Publication number: 20070015843Abstract: A photocurable pigment type inkjet ink composition including 5 to 95 wt % of water; 0.5 to 20 wt % of a pigment; 1 to 70 wt % of a photocurable component; and 0.0001 to 30 wt % of a reactive surfactant. The reactive surfactant can serve as a pigment dispersant for dispersing pigment particles or as an emulsifier for emulsifying the photocurable component.Type: ApplicationFiled: September 21, 2006Publication date: January 18, 2007Inventors: Chi-Jung Chang, Shu-chen Tsou, Feng-Mei Wu, Shinn-Jen Chang
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Patent number: 7026275Abstract: A method of reducing the photoelectric device leakage current caused by residual metal ions in conjugated polymer. A chelating agent is added to a conjugated polymer material, thereby the conductivity and mobility of metal ions under an electric field are reduced due to the chelation of metal ions by the chelating agent; therefore, the leakage current is reduced and the stability of devices is improved. Furthermore, the activity of metal ions is reduced after the metal ions are chelated by the chelating agent, improving the stability of the material and the devices. A conjugated polymer composition is also provided.Type: GrantFiled: August 5, 2003Date of Patent: April 11, 2006Assignee: Industrial Technology Research InstituteInventors: Kuo-Yu Chen, Chi-Shen Tuan, Wan-Jung Teng, Shinn-Jen Chang