Patents by Inventor Cheng-Hsing Fan
Cheng-Hsing Fan 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: 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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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: 10086557Abstract: Disclosed is a method for manufacturing a film. 50 wt % to 85 wt % of a first polyester and 50 wt % to 15 wt % of a second polyester are dried and mixed to form a mixture. The first polyester is polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or combinations thereof. The second polyester is copolymerized of 1 part by mole of terephthalic acid, m parts by mole of 1,4-cyclohexanedimethanol (1,4-CHDM), n parts by mole of 1,3-cyclohexanedimethanol (1,3-CHDM), and o parts by mole of ethylene glycol (EG). m+n+o=1, 0?o?0.4, 0.6?m+n?1, and 0.06?n/m?1.31. The mixture is melted and blended to form a polyester composition, which is extruded to form a sheet. The sheet is then biaxially stretched to obtain a film. The biaxially stretched film is then treated with a thermal setting.Type: GrantFiled: December 23, 2013Date of Patent: October 2, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Hsing Fan, Chun-Yen Chen, Ming-Tsong Leu, Chien-Pang Wu
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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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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: 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: 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: 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: 20150125709Abstract: Disclosed is a method for manufacturing a film. 50 wt % to 85 wt % of a first polyester and 50 wt % to 15 wt % of a second polyester are dried and mixed to form a mixture. The first polyester is polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or combinations thereof. The second polyester is copolymerized of 1 part by mole of terephthalic acid, m parts by mole of 1,4-cyclohexanedimethanol (1,4-CHDM), n parts by mole of 1,3-cyclohexanedimethanol (1,3-CHDM), and o parts by mole of ethylene glycol (EG). m+n+o=1, 0?o?0.4, 0.6?m+n?1, and 0.06?n/m?1.31. The mixture is melted and blended to form a polyester composition, which is extruded to form a sheet. The sheet is then biaxially stretched to obtain a film. The biaxially stretched film is then treated with a thermal setting.Type: ApplicationFiled: December 23, 2013Publication date: May 7, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Hsing FAN, Chun-Yen CHEN, Ming-Tsong LEU, Chien-Pang WU
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Patent number: 8772419Abstract: Disclosed is a method for manufacturing a polyester film with low thermal expansion. 95 wt % to 55 wt % of crystalline polyester and 5 wt % to 45 wt % of amorphous polyester are mixed. The blend is then melt extruded to form a sheet. The sheet is then biaxially stretched to obtain a film. The biaxially stretched film is then treated with a heat-setting procedure.Type: GrantFiled: June 12, 2012Date of Patent: July 8, 2014Assignee: Industrial Technology Research InstituteInventors: Li-Cheng Jheng, Jrjeng Ruan, Ming-Tsong Leu, Kuo-Chen Shih, Jyh-Horng Wu, Cheng-Hsing Fan
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Patent number: 8748525Abstract: A polyester film is described, including a first polyester and a second polyester. The weight ratio of the first polyester to the second polyester ranges from 1:1 to 1:3. The glass transition temperature of the first polyester is higher than 140° C. and that of the second polyester is lower than 140° C.Type: GrantFiled: November 22, 2011Date of Patent: June 10, 2014Assignee: Industrial Technology Research InstituteInventors: Jyh-Horng Wu, Cheng-Hsing Fan, Ming-Tsong Leu, Chia-Hao Li, Yao-Tsu Wu, Chien-Pang Wu
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Patent number: 8735484Abstract: Disclosed is an amorphous copolyester polymerized of a diacid and diols. The diacid is selected from a group consisting of terephthalic acid, 5-tert-butylisophthalic acid, and dimethyl 2,6-naphthalenedicarboxylate. The diols are selected at least two from a group consisting of ethylene glycol, 2,2-dimethyl-1,3-propanediol, and tricyclodecanedimethanol. The molar ratio of the tricyclodecanedimethanol is 30% to 95% of the diols.Type: GrantFiled: December 27, 2012Date of Patent: May 27, 2014Assignee: Industrial Technology Research InstituteInventors: Cheng-Hsing Fan, Kuo-Chen Shih, Ming-Tsong Leu, Li-Cheng Jheng
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Publication number: 20140142247Abstract: Disclosed is an amorphous copolyester polymerized of a diacid and diols. The diacid is selected from a group consisting of terephthalic acid, 5-tert-butylisophthalic acid, and dimethyl 2,6-naphthalenedicarboxylate. The diols are selected at least two from a group consisting of ethylene glycol, 2,2-dimethyl-1,3-propanediol, and tricyclodecanedimethanol. The molar ratio of the tricyclodecanedimethanol is 30% to 95% of the diols.Type: ApplicationFiled: December 27, 2012Publication date: May 22, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Hsing FAN, Kuo-Chen SHIH, Ming-Tsong LEU, Li-Cheng JHENG
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Publication number: 20130150532Abstract: Disclosed is a method for manufacturing a polyester film with low thermal expansion. 95 wt % to 55 wt % of crystalline polyester and 5 wt % to 45 wt % of amorphous polyester are mixed. The blend is then melt extruded to form a sheet. The sheet is then biaxially stretched to obtain a film. The biaxially stretched film is then treated with a heat-setting procedure.Type: ApplicationFiled: June 12, 2012Publication date: June 13, 2013Inventors: Li-Cheng JHENG, Jrjeng Ruan, Ming-Tsong Leu, Kuo-Chen Shih, Jyh-Horng Wu, Cheng-Hsing Fan
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Publication number: 20120149830Abstract: A polyester film is described, including a first polyester and a second polyester. The weight ratio of the first polyester to the second polyester ranges from 1:1 to 1:3. The glass transition temperature of the first polyester is higher than 140° C. and that of the second polyester is lower than 140° C.Type: ApplicationFiled: November 22, 2011Publication date: June 14, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jyh-Horng Wu, Cheng-Hsing Fan, Ming-Tsong Leu, Chia-Hao Li, Yao-Tsu Wu, Chien-Pang Wu