Patents by Inventor Hsi-Chin Tsai
Hsi-Chin Tsai 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: 11919844Abstract: A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.Type: GrantFiled: February 3, 2021Date of Patent: March 5, 2024Assignee: ORIENTAL UNION CHEMICAL CORP.Inventors: Yu-Chuan Hsu, Hsi-Chin Tsai
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Patent number: 11865293Abstract: A body-fluid-and-medication leak-proof and closed medical connector has a first connecting assembly and a second connecting assembly. The first connecting assembly has a first sleeve and a first resilient valve. The first resilient valve tends to seal a first opening of the first sleeve. The second connecting assembly has a second sleeve and a second resilient valve. The second resilient valve tends to seal a second opening of the second sleeve. The two resilient valves can avoid leakage of the medication remaining in an injector and a vial, or remaining in a fluid infusion tube and a catheter. The two resilient valves also can seal in two directions to avoid leakage during connecting or separating the two connecting assemblies after supplying medication. Therefore, the transfer of the medication is more hygienic and safe, and the waste of medical resources is effectively reduced.Type: GrantFiled: November 20, 2020Date of Patent: January 9, 2024Inventor: Hsi-Chin Tsai
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Publication number: 20230240939Abstract: A closed system transfer device (CSTD) includes a barrel, a plunger, and a connecting port fixed to the barrel. The barrel includes a first cavity and a second cavity, which are separated. A piston of the plunger is operably moved within the first cavity and divides the first cavity into a first region and a second region that communicates with the second cavity. The connecting port includes a first channel communicating with the first cavity and a second channel communicating with the second cavity. When the CSTD is connected to a drug-liquid container to draw liquid, the first region is enlarged to draw the liquid into the first region from the container through the first channel. Simultaneously, the second region is reduced to discharge air in the second region to the container through the second cavity and the second channel. Thus, the CSTD and the container form a closed environment.Type: ApplicationFiled: June 17, 2020Publication date: August 3, 2023Applicant: ADVCARE MEDICAL, INC.Inventors: HSI-CHIN TSAI, JHIH-SYUAN JHOU
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Patent number: 11613507Abstract: A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.Type: GrantFiled: January 15, 2021Date of Patent: March 28, 2023Assignee: ORIENTAL UNION CHEMICAL CORP.Inventors: Yu-Chuan Hsu, Hsi-Chin Tsai
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Patent number: 11602740Abstract: A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.Type: GrantFiled: March 25, 2021Date of Patent: March 14, 2023Assignee: ORIENTAL UNION CHEMICAL CORP.Inventors: Yu-Chuan Hsu, Hsi-Chin Tsai
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Publication number: 20230070577Abstract: A medicinal vial reconstitution and IV dispensing device includes a bifurcated receptacle adapted to engage a medicinal vial, and a valve or barrier for selectively opening and closing the medicinal vial from fluidic communication with the patient IV line. The reconstitution device mixes medication with saline solution from an IV bag through a dedicated channel. The reconstitution device receives a medication vial containing the powdered medication. The reconstituted medication is then passed back into the IV bag for uniform mixing. A flow control element ensures fluid flow only from the vial to the bag. Once mixed, the reconstituted medication achieves a desired concentration in the IV bag. The (now medicated) saline solution in the IV bag is dispensed back through the reconstitution device via an IV line to the patient, and the flow control element redirects fluid only to the IV line and prevents any backflow with the vial.Type: ApplicationFiled: November 14, 2022Publication date: March 9, 2023Inventors: Michael A. Merchant, Hsi Chin Tsai
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Patent number: 11497684Abstract: A medicinal vial reconstitution and IV dispensing device includes a bifurcated receptacle adapted to engage a medicinal vial, and a valve or barrier for selectively opening and closing the medicinal vial from fluidic communication with the patient IV line. The reconstitution device mixes medication with saline solution from an IV bag through a dedicated channel. The reconstitution device receives a medication vial containing the powdered medication. The reconstituted medication is then passed back into the IV bag for uniform mixing. A flow control element ensures fluid flow only from the vial to the bag. Once mixed, the reconstituted medication achieves a desired concentration in the IV bag. The (now medicated) saline solution in the IV bag is dispensed back through the reconstitution device via an IV line to the patient, and the flow control element redirects fluid only to the IV line and prevents any backflow with the vial.Type: GrantFiled: September 19, 2019Date of Patent: November 15, 2022Inventors: Michael A. Merchant, Hsi Chin Tsai
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Patent number: 11278674Abstract: A sealed medication dispensing and administering device has a syringe, a plunger, a connecting holder, an elastic valve, and a liquid stopper. The syringe has an outer barrel having an air inlet tube and an inner barrel inserted inside the outer barrel and having a medication inlet tube. The plunger is inserted within the outer and inner barrels. The connecting holder is connected to the syringe and has a connecting cover with at least one outer connecting hole and two piercing needles respectively piercing inside the air inlet tube and the medication inlet tube. Inner spaces of the two piercing needles communicate with the at least one outer connecting hole. The elastic valve selectively covers the two piercing needles. The fluid stopper is disposed within the connecting cover and blocks one of the at least one outer connecting hole and the inner space of the air inlet tube.Type: GrantFiled: May 19, 2017Date of Patent: March 22, 2022Assignee: Advcare Medical, Inc.Inventor: Hsi Chin Tsai
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Patent number: 11235135Abstract: A body-fluid-and-medication leak-proof and closed medical connector has a first connecting assembly and a second connecting assembly. The first connecting assembly has a first sleeve and a first resilient valve. The first resilient valve tends to seal a first opening of the first sleeve. The second connecting assembly has a second sleeve and a second resilient valve. The second resilient valve tends to seal a second opening of the second sleeve. The two resilient valves can avoid leakage of the medication remaining in an injector and a vial, or remaining in a fluid infusion tube and a catheter. The two resilient valves also can seal in two directions to avoid leakage during connecting or separating the two connecting assemblies after supplying medication. Therefore, the transfer of the medication is more hygienic and safe, and the waste of medical resources is effectively reduced.Type: GrantFiled: November 13, 2018Date of Patent: February 1, 2022Inventor: Hsi-Chin Tsai
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Publication number: 20210205799Abstract: A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.Type: ApplicationFiled: March 25, 2021Publication date: July 8, 2021Inventors: Yu-Chuan HSU, Hsi-Chin TSAI
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Publication number: 20210155568Abstract: A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.Type: ApplicationFiled: February 3, 2021Publication date: May 27, 2021Inventors: Yu-Chuan HSU, Hsi-Chin TSAI
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Publication number: 20210130275Abstract: A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.Type: ApplicationFiled: January 15, 2021Publication date: May 6, 2021Inventors: Yu-Chuan HSU, Hsi-Chin TSAI
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Publication number: 20210069484Abstract: A body-fluid-and-medication leak-proof and closed medical connector has a first connecting assembly and a second connecting assembly. The first connecting assembly has a first sleeve and a first resilient valve. The first resilient valve tends to seal a first opening of the first sleeve. The second connecting assembly has a second sleeve and a second resilient valve. The second resilient valve tends to seal a second opening of the second sleeve. The two resilient valves can avoid leakage of the medication remaining in an injector and a vial, or remaining in a fluid infusion tube and a catheter. The two resilient valves also can seal in two directions to avoid leakage during connecting or separating the two connecting assemblies after supplying medication. Therefore, the transfer of the medication is more hygienic and safe, and the waste of medical resources is effectively reduced.Type: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Inventor: Hsi-Chin Tsai
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Publication number: 20200330326Abstract: A medicinal vial reconstitution and IV dispensing device includes a bifurcated receptacle adapted to engage a medicinal vial, and a valve or barrier for selectively opening and closing the medicinal vial from fluidic communication with the patient IV line. The reconstitution device mixes medication with saline solution from an IV bag through a dedicated channel. The reconstitution device receives a medication vial containing the powdered medication. The reconstituted medication is then passed back into the IV bag for uniform mixing. A flow control element ensures fluid flow only from the vial to the bag. Once mixed, the reconstituted medication achieves a desired concentration in the IV bag. The (now medicated) saline solution in the IV bag is dispensed back through the reconstitution device via an IV line to the patient, and the flow control element redirects fluid only to the IV line and prevents any backflow with the vial.Type: ApplicationFiled: September 19, 2019Publication date: October 22, 2020Inventors: Michael A. Merchant, Hsi Chin Tsai
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Publication number: 20200298218Abstract: A method of using biopolymer to synthesize titanium-containing silicon oxide material and applications thereof are disclosed. The method comprises steps: mixing a titanium source, a silicon source, an acid source, a base source, a biopolymer and a solvent to form an aqueous solution, and letting the aqueous solution react to form a semi-product; performing aging, solid-liquid separation and drying of the semi-product to obtain a dried solid; and performing calcination or extraction of the dried solid to obtain a titanium-containing silicon oxide material with a high specific surface area. The present invention adopts a biopolymer as the templating agent, which makes the fabrication process of titanium-containing silicon oxide material more environment-friendly. After calcination or extraction, the product still has superior catalytic activity, able to catalyze epoxidation of olefins and favorable for the production of epoxide.Type: ApplicationFiled: March 22, 2019Publication date: September 24, 2020Inventors: Yu-Chuan HSU, Pin-Hsuan HUANG, Chien-Chang CHIANG, Ying-Shih CHANG, Hsi-Chin TSAI, Hong-Ping LIN
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Patent number: 10780431Abstract: A method of using biopolymer to synthesize titanium-containing silicon oxide material and applications thereof are disclosed. The method comprises steps: mixing a titanium source, a silicon source, an acid source, a base source, a biopolymer and a solvent to form an aqueous solution, and letting the aqueous solution react to form a semi-product; performing aging, solid-liquid separation and drying of the semi-product to obtain a dried solid; and performing calcination or extraction of the dried solid to obtain a titanium-containing silicon oxide material with a high specific surface area. The present invention adopts a biopolymer as the templating agent, which makes the fabrication process of titanium-containing silicon oxide material more environment-friendly. After calcination or extraction, the product still has superior catalytic activity, able to catalyze epoxidation of olefins and favorable for the production of epoxide.Type: GrantFiled: March 22, 2019Date of Patent: September 22, 2020Assignee: ORIENTAL UNION CHEMICAL CORP.Inventors: Yu-Chuan Hsu, Pin-Hsuan Huang, Chien-Chang Chiang, Ying-Shih Chang, Hsi-Chin Tsai, Hong-Ping Lin
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Patent number: 10744493Abstract: A method of using biopolymer to synthesize titanium-containing silicon oxide material and applications includes mixing a titanium source, a silicon source, an acid source, a base source, a biopolymer and a solvent to form an aqueous solution, and letting the aqueous solution react to form a semi-product; performing aging, solid-liquid separation and drying of the semi-product to obtain a dried solid; and performing calcination or extraction of the dried solid to obtain a titanium-containing silicon oxide material with a high specific surface area. The present invention adopts a biopolymer as the templating agent, which makes the fabrication process of titanium-containing silicon oxide material more environment-friendly. After calcination or extraction, the product still has superior catalytic activity, able to catalyze epoxidation of olefins and favorable for the production of epoxide.Type: GrantFiled: November 6, 2019Date of Patent: August 18, 2020Assignee: Oriental Union Chemical Corp.Inventors: Yu-Chuan Hsu, Pin-Hsuan Huang, Chien-Chang Chiang, Ying-Shih Chang, Hsi-Chin Tsai, Hong-Ping Lin
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Publication number: 20200069880Abstract: A sealed medication dispensing and administering device has a syringe, a plunger, a connecting holder, an elastic valve, and a liquid stopper. The syringe has an outer barrel having an air inlet tube and an inner barrel inserted inside the outer barrel and having a medication inlet tube. The plunger is inserted within the outer and inner barrels. The connecting holder is connected to the syringe and has a connecting cover with at least one outer connecting hole and two piercing needles respectively piercing inside the air inlet tube and the medication inlet tube. Inner spaces of the two piercing needles communicate with the at least one outer connecting hole. The elastic valve selectively covers the two piercing needles. The fluid stopper is disposed within the connecting cover and blocks one of the at least one outer connecting hole and the inner space of the air inlet tube.Type: ApplicationFiled: May 19, 2017Publication date: March 5, 2020Inventor: Hsi Chin Tsai
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Patent number: 10493430Abstract: The present invention discloses a method for fabricating a titanium-containing silicon oxide material with high thermal stability and applications of the same, wherein a titanium source, a silicon source, an alkaline source, a template molecule and a peroxide are formulated into an aqueous solution; the aqueous solution reacts to generate a solid product; the solid product is separated from the aqueous solution with a solid-liquid separation process and dried; the solid product is calcined to obtain a titanium-containing silicon oxide material with high specific surface area. The titanium-containing silicon oxide material fabricated by the present invention has high thermal stability. Therefore, it still possesses superior catalytic activity after calcination. The titanium-containing silicon oxide material can be used to catalyze epoxidation of olefin and is very useful in epoxide production.Type: GrantFiled: September 11, 2018Date of Patent: December 3, 2019Assignee: Oriental Union Chemical Corp.Inventors: Yu-Chuan Hsu, Hsi-Chin Tsai
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Patent number: D904604Type: GrantFiled: June 13, 2019Date of Patent: December 8, 2020Assignee: Summit International Medical Technologies, Inc.Inventor: Hsi Chin Tsai