Patents by Inventor Yih Her Chang
Yih Her 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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Patent number: 11084262Abstract: A method of forming a film is provided, which includes providing a sheet from a polyamide composition; and biaxial stretching of the sheet to form a film, wherein the polyamide composition includes a blend of a first polyamide and a second polyamide. The first polyamide has a repeating unit of and the second polyamide has repeating units of The second polyamide is a crystalline random copolymer. The sheet of the polyamide composition is biaxially stretched at a rate of 20 mm/sec to 100 mm/sec.Type: GrantFiled: December 24, 2018Date of Patent: August 10, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jyh-Horng Wu, Ming-Tsong Leu, Sheng-Lung Chang, Hung-Jen Liu, Po-Ling Shiao, Yen-Cheng Li, Yih-Her Chang
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Patent number: 10723841Abstract: A method for preparing a compound and a method for preparing a polymer employing the same are provided. The method for preparing a compound includes reacting a compound having a structure represented by Formula (I) with a compound having a structure represented by Formula (III) in the presence of a compound having a structure represented by Formula (II) to obtain a compound having a structure represented by Formula (IV) wherein Ar1 is substituted or unsubstituted aryl group; X is —O—, —S—, or —NH—; R1 is independently hydrogen or C1-6 alkyl group; R2 is hydroxyl group, C1-6 alkyl group, phenyl group, or tolyl group; and R3 is independently C1-6 alkyl group, C5-8 cycloalkyl group, or C2-6 alkoxyalkyl group.Type: GrantFiled: July 27, 2018Date of Patent: July 28, 2020Assignee: INDUSTRIAL TECHNOLOGY RESEARCHInventors: Po-Hsien Ho, Chih-Hsiang Lin, Feng-Jen Tsai, Cheng-Hsing Fan, Yih-Her Chang, Hsin-Ching Kao, Chien-Ming Chen
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Publication number: 20190322866Abstract: A method of forming a film is provided, which includes providing a sheet from a polyamide composition; and biaxial stretching of the sheet to form a film, wherein the polyamide composition includes a blend of a first polyamide and a second polyamide. The first polyamide has a repeating unit of and the second polyamide has repeating units of The second polyamide is a crystalline random copolymer. The sheet of the polyamide composition is biaxially stretched at a rate of 20 mm/sec to 100 mm/sec.Type: ApplicationFiled: December 24, 2018Publication date: October 24, 2019Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jyh-Horng WU, Ming-Tsong LEU, Sheng-Lung CHANG, Hung-Jen LIU, Po-Ling SHIAO, Yen-Cheng LI, Yih-Her CHANG
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Patent number: 10377705Abstract: A method for preparing a cationic sulfoxide intermediate having the following formula wherein Ar1 and Ar2 are substituted or unsubstituted aryl groups that are the same or different, includes reacting hydrogen peroxide with (i) a compound having the following formula (2) or sulfonic acid R?SO3H, wherein R? is CH3, CF3, phenyl, toluene, or OH, and (ii) a cationic thioether intermediate having the following formula (4) to obtain the cationic sulfoxide intermediate: wherein R is a substituted or unsubstituted C1-C6 alkyl group; and wherein Ar1 and Ar2 are as defined above and Y is an anion.Type: GrantFiled: December 22, 2016Date of Patent: August 13, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien Ho, Chih-Hsiang Lin, Meng-Hsin Chen, Cheng-Hsing Fan, Hsin-Ching Kao, Yih-Her Chang
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Patent number: 10287396Abstract: A polymer is provided. The polymer has a repeating unit having a structure represented by Formula (I) or Formula (II) wherein Ar1 and Ar2 can be substituted or unsubstituted aryl diradical; Y? can be R2SO3? or ClO4?; R1 can be C1-6 alkyl; Ar1 and Ar2 are different; and, R2 can be C1-6 alkyl, substituted or unsubstituted aromatic ring, or C1-6 haloalkyl.Type: GrantFiled: December 29, 2016Date of Patent: May 14, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien Ho, Chih-Hsiang Lin, Meng-Hsin Chen, Cheng-Hsing Fan, Hsin-Ching Kao, Yih-Her Chang
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Publication number: 20190040202Abstract: A method for preparing a compound and a method for preparing a polymer employing the same are provided. The method for preparing a compound includes reacting a compound having a structure represented by Formula (I) with a compound having a structure represented by Formula (III) in the presence of a compound having a structure represented by Formula (II) to obtain a compound having a structure represented by Formula (IV) wherein Ar1 is substituted or unsubstituted aryl group; X is —O—, —S—, or —NH—; R1 is independently hydrogen or C1-6 alkyl group; R2 is hydroxyl group, C1-6 alkyl group, phenyl group, or tolyl group; and R3 is independently C1-6 alkyl group, C5-8 cycloalkyl group, or C2-6 alkoxyalkyl group.Type: ApplicationFiled: July 27, 2018Publication date: February 7, 2019Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien HO, Chih-Hsiang LIN, Feng-Jen TSAI, Cheng-Hsing FAN, Yih-Her CHANG, Hsin-Ching KAO, Chien-Ming CHEN
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Patent number: 10184028Abstract: A method for preparing a polymer is provided. The method for preparing a polymer includes subjecting at least one monomer having a structure represented by Formula (I) to a reaction in the presence of sulfonic acid, diphenyl amine, and oxygen-containing phosphide, obtaining a sulfonium salt polymer wherein x is 0, 1, or 2; R1 is C1-6 alkyl group; and R2 is independently hydrogen, or C1-6 alkyl group. In particular, the molar ratio of the diphenyl amine to the oxygen-containing phosphide is from 4:1 to 1:1.Type: GrantFiled: June 20, 2018Date of Patent: January 22, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien Ho, Chih-Hsiang Lin, Meng-Hsin Chen, Cheng-Hsing Fan, Hsin-Ching Kao, Yih-Her Chang
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Publication number: 20180298146Abstract: A method for preparing a polymer is provided. The method for preparing a polymer includes subjecting at least one monomer having a structure represented by Formula (I) to a reaction in the presence of sulfonic acid, diphenyl amine, and oxygen-containing phosphide, obtaining a sulfonium salt polymer wherein x is 0, 1, or 2; R1 is C1-6 alkyl group; and R2 is independently hydrogen, or C1-6 alkyl group. In particular, the molar ratio of the diphenyl amine to the oxygen-containing phosphide is from 4:1 to 1:1.Type: ApplicationFiled: June 20, 2018Publication date: October 18, 2018Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien HO, Chih-Hsiang LIN, Meng-Hsin CHEN, Cheng-Hsing FAN, Hsin-Ching KAO, Yih-Her CHANG
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Patent number: 9994679Abstract: A method for preparing a polyarylene sulfide includes reacting a methyl 4-(arylthio)aryl sulfoxide compound with sulfuric acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid or trifluoromethanesulfonic acid to obtain a polysulfonium intermediate; and demethylating the polysulfonium intermediate to obtain a polyarylene sulfide, wherein the polysulfonium intermediate is demethylated with aqueous HCl, HBr, or HI.Type: GrantFiled: December 16, 2016Date of Patent: June 12, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien Ho, Chih-Hsiang Lin, Meng-Hsin Chen, Cheng-Hsing Fan, Hsin-Ching Kao, Yih-Her Chang
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Patent number: 9880331Abstract: A heat shielding material and method for manufacturing thereof is provided. The method for manufacturing the heat shielding material, includes: providing a tungsten oxide precursor solution containing a group VIIIB metal element; drying the tungsten oxide precursor solution to form a dried tungsten oxide precursor; and subjecting the dried tungsten oxide precursor to a reducing gas at a temperature of 100° C. to 500° C. to form a composite tungsten oxide. The heat shielding material includes composite tungsten oxide doped with a group I A or II A metal and halogen, represented by MxWOy or MxWOyAz, wherein M refers to at least one of a group I A or II A metal, W refers to tungsten, O refers to oxygen, and A refers to a halogen element. The heat shielding material also includes a group VIIIB metal element.Type: GrantFiled: February 12, 2015Date of Patent: January 30, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Huai-Kuang Fu, Sung-Jeng Jong, Jer-Young Chen, Yih-Her Chang, Pao-Tang Chung
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Patent number: 9796878Abstract: The disclosure provides a coating composition, a film made of the coating composition, and method for preparing the coating composition. The coating composition includes a product prepared from cross-linking a (a) polysilsesquioxane with a (b) compound with the structure represented by Formula (I): wherein R is independently a hydroxyl group, or C1-8 alkoxy group, R1 is a C3-12 epoxy group, C3-12 acrylate group, C3-12 alkylacryloxy group, C3-12 aminoalkyl group, C3-12 isocyanate-alkyl group, C3-12 alkylcarboxylic acid group, C3-12 alkyl halide group, C3-12 mercaptoalkyl group, C3-12 alkyl group, or C3-12 alkenyl group, and R2 is a hydroxyl group, C1-8 alkyl group, or C1-8 alkoxy group.Type: GrantFiled: July 22, 2013Date of Patent: October 24, 2017Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yuan-Chang Huang, Wei-Cheng Tang, Shu-Yun Chien, Yuung-Ching Sheen, Yih-Her Chang, Jer-Young Chen
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Publication number: 20170204225Abstract: A method for preparing a polyarylene sulfide includes reacting a methyl 4-(arylthio)aryl sulfoxide compound with sulfuric acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid or trifluoromethanesulfonic acid to obtain a polysulfonium intermediate; and demethylating the polysulfonium intermediate to obtain a polyarylene sulfide, wherein the polysulfonium intermediate is demethylated with aqueous HCl, HBr, or HI.Type: ApplicationFiled: December 16, 2016Publication date: July 20, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien HO, Chih-Hsiang LIN, Meng-Hsin CHEN, Cheng-Hsing FAN, Hsin-Ching KAO, Yih-Her CHANG
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Publication number: 20170197913Abstract: A method for preparing a cationic sulfoxide intermediate having the following formula wherein Ar1 and Ar2 are substituted or unsubstituted aryl groups that are the same or different, includes reacting hydrogen peroxide with (i) a compound having the following formula (2) or sulfonic acid R?SO3H, wherein R? is CH3, CF3, phenyl, toluene, or OH, and (ii) a cationic thioether intermediate having the following formula (4) to obtain the cationic sulfoxide intermediate: wherein R is a substituted or unsubstituted C1-C6 alkyl group; and wherein Ar1 and Ar2 are as defined above and Y is an anion.Type: ApplicationFiled: December 22, 2016Publication date: July 13, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien Ho, Chih-Hsiang Lin, Meng-Hsin Chen, Cheng-Hsing Fan, Hsin-Ching Kao, Yih-Her Chang
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Publication number: 20170198098Abstract: A polymer is provided. The polymer has a repeating unit having a structure represented by Formula (I) or Formula (II) wherein Ar1 and Ar2 can be substituted or unsubstituted aryl diradical; Y? can be R2SO3? or ClO4?; R1 can be C1-6 alkyl; Ar1 and Ar2 are different; and, R2 can be C1-6 alkyl, substituted or unsubstituted aromatic ring, or C1-6 haloalkyl.Type: ApplicationFiled: December 29, 2016Publication date: July 13, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien HO, Chih-Hsiang LIN, Meng-Hsin CHEN, Cheng-Hsing FAN, Hsin-Ching KAO, Yih-Her CHANG
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Publication number: 20170198141Abstract: A method for preparing a polymer is provided. The method for preparing a polymer includes subjecting at least one monomer having a structure represented by Formula (I) to a reaction in the presence of sulfonic acid, diphenyl amine, and oxygen-containing phosphide, obtaining a sulfonium salt polymer wherein x is 0, 1, or 2, R1 is C1-6 alkyl group; and R2 is independently hydrogen, or C1-6 alkyl group.Type: ApplicationFiled: December 23, 2016Publication date: July 13, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien HO, Chih-Hsiang LIN, Meng-Hsin CHEN, Cheng-Hsing FAN, Hsin-Ching KAO, Yih-Her CHANG
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Publication number: 20170197914Abstract: A method for preparing an aromatic sulfide or a salt thereof is provided. The method for preparing an aromatic sulfide or a salt thereof includes reacting a compound having a structure represented by Formula (I) to a compound having a structure represented by Formula (III) in the presence of a compound having a structure represented by Formula (II) to obtain a compound having a structure represented by Formula (IV) wherein R1 and R2 are independently C1-6 alkyl group, or C5-7 cycloalkyl group; R3 is independently C1-6 alkyl group, C5-7 cycloalkyl group, C1-6 haloalkyl group, or aryl group; R4 is independently H, or C1-6 alkyl group; Y is H, aryl group, or —X—R5; X is —O—, —NH—, —PH—, or —S—, or Y and an adjacent R4 are optionally combined with the carbon atoms to which they are attached, to form an aryl group; and R5 is H, C1-6 alkyl group, C5-7 cycloalkyl group, or aryl group; and Z? is R3SO3?.Type: ApplicationFiled: December 23, 2016Publication date: July 13, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Hsien HO, Chih-Hsiang LIN, Meng-Hsin CHEN, Cheng-Hsing FAN, Hsin-Ching KAO, Yih-Her CHANG
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Publication number: 20150153490Abstract: A heat shielding material and method for manufacturing thereof is provided. The method for manufacturing the heat shielding material, includes: providing a tungsten oxide precursor solution containing a group VIIIB metal element; drying the tungsten oxide precursor solution to form a dried tungsten oxide precursor; and subjecting the dried tungsten oxide precursor to a reducing gas at a temperature of 100° C. to 500° C. to form a composite tungsten oxide. The heat shielding material includes composite tungsten oxide doped with a group IA or IIA metal and halogen, represented by MxWOy or MxWOyAz, wherein M refers to at least one of a group IA or IIA metal, W refers to tungsten, O refers to oxygen, and A refers to a halogen element. The heat shielding material also includes a group VIIIB metal element.Type: ApplicationFiled: February 12, 2015Publication date: June 4, 2015Inventors: Huai-Kuang FU, Sung-Jeng JONG, Jer-Young CHEN, Yih-Her CHANG, Pao-Tang CHUNG
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Patent number: 8986851Abstract: A heat shielding material and method for manufacturing thereof is provided. The method for manufacturing the heat shielding material, includes: providing a tungsten oxide precursor solution containing a group VIII B metal element; drying the tungsten oxide precursor solution to form a dried tungsten oxide precursor; and subjecting the dried tungsten oxide precursor to a reducing gas at a temperature of 100° C. to 500° C. to form a composite tungsten oxide. The heat shielding material includes composite tungsten oxide doped with a group I A or II A metal and halogen, represented by MxWOy or MxWOyAz, wherein M refers to at least one of a group I A or II A metal, W refers to tungsten, O refers to oxygen, and A refers to a halogen element. The heat shielding material also includes a group VIII B metal element.Type: GrantFiled: March 4, 2011Date of Patent: March 24, 2015Assignee: Industrial Technology Research InstituteInventors: Huai-Kuang Fu, Sung-Jeng Jong, Jer-Young Chen, Yih-Her Chang, Pao-Tang Chung
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Patent number: 8969458Abstract: Provided is a transparent heat shielding composition, which includes a thermoplastic resin material and a compound of formula (I) MxWO3-yAy??(I), wherein M is an alkali metal, W is tungsten, O is oxygen, A is halogen, 0<x?1 and 0<y?0.5.Type: GrantFiled: June 10, 2013Date of Patent: March 3, 2015Assignee: Industrial Technology Research InstituteInventors: Pao-Tang Chung, Sung-Jeng Jong, Jer-Young Chen, Yih-Her Chang, Huai-Kuang Fu, Ting-Ting Xiao
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Patent number: 8865782Abstract: A fire-resistant polyurethane foam is provided. A hydroxyl-containing inorganic fire retardant is premixed with a polyisocyanate and a polyol, respectively, to form two premixtures. Then, the two premixtures are mixed for reaction to form a fire-resistant polyurethane foam. Preferably, a combination of different particle sizes of the fire retardant is employed to maximize the amount of the fire retardant and increase the fire resistance of the foam.Type: GrantFiled: November 6, 2013Date of Patent: October 21, 2014Assignee: Industrial Technology Research InstituteInventors: Po-Ju Chen, Sung-Jeng Jong, Ren-Kuen Chang, Chin-Shang Hsu, Jer-Young Chen, Yih-Her Chang, Chei Kao