Patents by Inventor Min-Tzung YEH
Min-Tzung YEH 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: 20230382066Abstract: A silicone hydrogel composition includes a first hydrophilic monomer, a siloxane compound, a first crosslinking monomer, a second hydrophilic monomer, and a second crosslinking monomer. The first hydrophilic monomer and the siloxane compound have an acrylate group or an acrylamide group and may also have a methacrylate group or a methacrylamide group. The first crosslinking monomer has a plurality of acrylate groups or acrylamide groups and may also have methacrylate groups or methacrylamide groups. The second hydrophilic monomer has a non-conjugated vinyl group. The second crosslinking monomer has a plurality of non-conjugated vinyl groups. A sum of the weights of the second hydrophilic monomer and the second crosslinking monomer is 40 to 100 parts by weight, relative to 100 parts by weight of the sum of the weights of the first hydrophilic monomer, the siloxane compound, and the first crosslinking monomer.Type: ApplicationFiled: July 25, 2023Publication date: November 30, 2023Inventors: Yu-Chin LAI, Ting-Chun KUAN, Di-Yao HSU, Fang-Yu TSAI, Min-Tzung YEH
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Patent number: 11760045Abstract: A silicone hydrogel composition includes a first hydrophilic monomer, a siloxane compound, a first crosslinking monomer, a second hydrophilic monomer, and a second crosslinking monomer. The first hydrophilic monomer and the siloxane compound have an acrylate group or an acrylamide group and may also have a methacrylate group or a methacrylamide group. The first crosslinking monomer has a plurality of acrylate groups or acrylamide groups and may also have methacrylate groups or methacrylamide groups. The second hydrophilic monomer has a non-conjugated vinyl group. The second crosslinking monomer has a plurality of non-conjugated vinyl groups. A sum of the weight of the second hydrophilic monomer and the weight of the second crosslinking monomer is 40 to 100 parts by weight, relative to 100 parts by weight of the sum of the weight of the first hydrophilic monomer, the weight of the siloxane compound, and the weight of the first crosslinking monomer.Type: GrantFiled: June 27, 2019Date of Patent: September 19, 2023Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Ting-Chun Kuan, Di-Yao Hsu, Fang-Yu Tsai, Min-Tzung Yeh
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Patent number: 11198751Abstract: The present invention provides a water-soluble silicone macromer. The water-soluble silicone macromer has a general formula: E?(M1)x?(M2)y, wherein M1 is a repeating unit which is derived from a silicone containing monomer, M2 is a repeating unit which is derived from a first hydrophilic monomer, and E is an ethylenically unsaturated group. The amount of M1 is in a range of 30-60 wt % based on the total weight of the water-soluble silicone macromer, and the amount of M2 is in a range of 40-70 wt % based on the total weight of the water-soluble silicone macromer. A silicone hydrogel composition containing the water-soluble silicone macromer and a silicone hydrogel lens made of the silicone hydrogel composition are also provided herein.Type: GrantFiled: August 20, 2020Date of Patent: December 14, 2021Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Ting-Chun Kuan, Hsiang-Ho Kung, Min-Tzung Yeh, Ching-Wen Yang, Tsung-Kao Hsu
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Patent number: 11046802Abstract: The present invention provides a silicone hydrogel composition. The silicone hydrogel composition includes a water-soluble silicone macromere, a hydrophilic monomer, a crosslinker, an initiator and an organic solvent. The water-soluble silicone macromere, the hydrophilic monomer, the crosslinker and the initiator is respectively in the amount of 50-80 wt %, 19-50 wt %, 0.1-1.5 wt % and 0.1-1 wt % based on the total weight of the silicone hydrogel composition.Type: GrantFiled: June 1, 2020Date of Patent: June 29, 2021Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Ting-Chun Kuan, Hsiang-Ho Kung, Min-Tzung Yeh, Ching-Wen Yang, Tsung-Kao Hsu
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Patent number: 11034107Abstract: A surface-modified contact lens, having a surface contact angle hysteresis of less than 15°, includes a lens body and a first surface modification layer disposed on a surface of the lens body. The first surface modification layer comprises a first reactive hydrophilic polymer. The surface of the lens body has a first functional group or a second functional group, and the first reactive hydrophilic polymer has a third functional group or a fourth functional group. A first covalent cross-link bond is formed between the surface of the lens body and the first surface modification layer. The first covalent cross-link bond is formed by reacting the first functional group or the second functional group of the surface of the lens body with the third functional group or the fourth functional group of the first reactive hydrophilic polymer.Type: GrantFiled: February 14, 2018Date of Patent: June 15, 2021Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Ming-Nan Lin, Min-Tzung Yeh, Ya-Hsuan Liao
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Publication number: 20200377639Abstract: The present invention provides a water-soluble silicone macromer. The water-soluble silicone macromer has a general formula: E?(M1)x?(M2)y, wherein M1 is a repeating unit which is derived from a silicone containing monomer, M2 is a repeating unit which is derived from a first hydrophilic monomer, and E is an ethylenically unsaturated group. The amount of M1 is in a range of 30-60 wt % based on the total weight of the water-soluble silicone macromer, and the amount of M2 is in a range of 40-70 wt % based on the total weight of the water-soluble silicone macromer. A silicone hydrogel composition containing the water-soluble silicone macromer and a silicone hydrogel lens made of the silicone hydrogel composition are also provided herein.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Inventors: Yu-Chin LAI, Ting-Chun KUAN, Hsiang-Ho KUNG, Min-Tzung YEH, Ching-Wen YANG, Tsung-Kao HSU
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Patent number: 10793659Abstract: The present invention provides a water-soluble silicone macromer. The water-soluble silicone macromer has a general formula: E-(M1)x-(M2)y, wherein M1 is a repeating unit which is derived from a silicone containing monomer, M2 is a repeating unit which is derived from a first hydrophilic monomer, and E is an ethylenically unsaturated group. The amount of M1 is in a range of 30-60 wt % based on the total weight of the water-soluble silicone macromer, and the amount of M2 is in a range of 40-70 wt % based on the total weight of the water-soluble silicone macromer. A silicone hydrogel composition containing the water-soluble silicone macromer and a silicone hydrogel lens made of the silicone hydrogel composition are also provided herein.Type: GrantFiled: February 5, 2018Date of Patent: October 6, 2020Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Ting-Chun Kuan, Hsiang-Ho Kung, Min-Tzung Yeh, Ching-Wen Yang, Tsung-Kao Hsu
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Publication number: 20200291160Abstract: The present invention provides a silicone hydrogel composition. The silicone hydrogel composition includes a water-soluble silicone macromere, a hydrophilic monomer, a crosslinker, an initiator and an organic solvent. The water-soluble silicone macromere, the hydrophilic monomer, the crosslinker and the initiator is respectively in the amount of 50-80 wt %, 19-50 wt %, 0.1-1.5 wt % and 0.1-1 wt % based on the total weight of the silicone hydrogel composition.Type: ApplicationFiled: June 1, 2020Publication date: September 17, 2020Inventors: Yu-Chin LAI, Ting-Chun KUAN, Hsiang-Ho KUNG, Min-Tzung YEH, Ching-Wen YANG, Tsung-Kao HSU
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Publication number: 20200172647Abstract: A silicone hydrogel composition includes a first hydrophilic monomer, a siloxane compound, a first crosslinking monomer, a second hydrophilic monomer, and a second crosslinking monomer. The first hydrophilic monomer and the siloxane compound have an acrylate group or an acrylamide group and may also have a methacrylate group or a methacrylamide group. The first crosslinking monomer has a plurality of acrylate groups or acrylamide groups and may also have methacrylate groups or methacrylamide groups. The second hydrophilic monomer has a non-conjugated vinyl group. The second crosslinking monomer has a plurality of non-conjugated vinyl groups. A sum of the weight of the second hydrophilic monomer and the weight of the second crosslinking monomer is 40 to 100 parts by weight, relative to 100 parts by weight of the sum of the weight of the first hydrophilic monomer, the weight of the siloxane compound, and the weight of the first crosslinking monomer.Type: ApplicationFiled: June 27, 2019Publication date: June 4, 2020Inventors: Yu-Chin LAI, Ting-Chun KUAN, Di-Yao HSU, Fang-Yu TSAI, Min-Tzung YEH
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Publication number: 20190009482Abstract: A surface-modified contact lens, having a surface contact angle hysteresis of less than 15°, includes a lens body and a first surface modification layer disposed on a surface of the lens body. The first surface modification layer comprises a first reactive hydrophilic polymer. The surface of the lens body has a first functional group or a second functional group, and the first reactive hydrophilic polymer has a third functional group or a fourth functional group. A first covalent cross-link bond is formed between the surface of the lens body and the first surface modification layer. The first covalent cross-link bond is formed by reacting the first functional group or the second functional group of the surface of the lens body with the third functional group or the fourth functional group of the first reactive hydrophilic polymer.Type: ApplicationFiled: February 14, 2018Publication date: January 10, 2019Inventors: Yu-Chin LAI, Ming-Nan LIN, Min-Tzung YEH, Ya-Hsuan LIAO
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Publication number: 20180340036Abstract: The present invention provides a water-soluble silicone macromer. The water-soluble silicone macromer has a general formula: E-(M1)x-(M2)y, wherein M1 is a repeating unit which is derived from a silicone containing monomer, M2 is a repeating unit which is derived from a first hydrophilic monomer, and E is an ethylenically unsaturated group. The amount of M1 is in a range of 30-60 wt % based on the total weight of the water-soluble silicone macromer, and the amount of M2 is in a range of 40-70 wt % based on the total weight of the water-soluble silicone macromer. A silicone hydrogel composition containing the water-soluble silicone macromer and a silicone hydrogel lens made of the silicone hydrogel composition are also provided herein.Type: ApplicationFiled: February 5, 2018Publication date: November 29, 2018Inventors: Yu-Chin LAI, Ting-Chun KUAN, Hsiang-Ho KUNG, Min-Tzung YEH, Ching-Wen YANG, Tsung-Kao HSU
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Patent number: 9482788Abstract: The present disclosure provides a UV-blocking silicone hydrogel composition including a hydrophilic silicone macromer, a UV-blocking monomer, a first hydrophilic monomer, a crosslinker and a polymerization initiator. The hydrophilic silicone macromer has a general formula: V-L-S-(L?-V?)x, wherein V and V? are independently ethylenically-based polymerizable groups, L and L? are independently a covalent bond or a linkage group, S is a siloxane group having a chemical structure such as and x is 0 or 1. A silicone contact lens containing the UV-blocking silicone hydrogel composition is also provided herein.Type: GrantFiled: December 5, 2014Date of Patent: November 1, 2016Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Min-Tzung Yeh, Han-Yi Chang, Heng-Yi Li, Hung-Ju Chang, Che-Cheng Wu
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Publication number: 20160161638Abstract: The present disclosure provides a UV-blocking silicone hydrogel composition including a hydrophilic silicone macromer, a UV-blocking monomer, a first hydrophilic monomer, a crosslinker and a polymerization initiator. The hydrophilic silicone macromer has a general formula: V-L-S-(L?-V?)x, wherein V and V? are independently ethylenically-based polymerizable groups, L and L? are independently a covalent bond or a linkage group, S is a siloxane group having a chemical structure such as and x is 0 or 1. A silicone contact lens containing the UV-blocking silicone hydrogel composition is also provided herein.Type: ApplicationFiled: December 5, 2014Publication date: June 9, 2016Inventors: Yu-Chin LAI, Min-Tzung YEH, Han-Yi CHANG, Heng-Yi LI, Hung-Ju CHANG, Che-Cheng WU
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Patent number: 9046641Abstract: A silicone hydrogel composition is disclosed. The composition includes at least one silicone macromer, a hydroxy-functionalized silicone-containing monomer, a first hydrophibic monomer and at least one crosslinker, in which the first hydrophibic monomer is N-vinyl pyrrolidone. The silicone macromer and the hydroxy-functionalized silicone-containing monomer are mutually soluble with N-vinylpyrrolidone. Silicone hydrogel contact lenses prepared from the silicone hydrogel composition are also disclosed.Type: GrantFiled: April 25, 2013Date of Patent: June 2, 2015Assignee: PEGAVISION CORPORATIONInventors: Yu-Chin Lai, Min-Tzung Yeh, Heng-Yi Li, Wei-Jia Ting
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Publication number: 20140155515Abstract: A silicone hydrogel composition is disclosed. The composition includes at least one silicone macromer, a hydroxy-functionalized silicone-containing monomer, a first hydrophibic monomer and at least one crosslinker, in which the first hydrophibic monomer is N-vinyl pyrrolidone. The silicone macromer and the hydroxy-functionalized silicone-containing monomer are mutually soluble with N-vinylpyrrolidone. Silicone hydrogel contact lenses prepared from the silicone hydrogel composition are also disclosed.Type: ApplicationFiled: April 25, 2013Publication date: June 5, 2014Applicant: Pegavision CorporationInventors: Yu-Chin LAI, Min-Tzung YEH, Heng-Yi LI, Wei-Jia TING