Patents by Inventor Jung Tsai Chen
Jung Tsai Chen 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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Method of preparing fermented crude extract having angiotensin converting enzyme inhibiting activity
Patent number: 10064906Abstract: This invention is related to a method of preparing a fermented crude extract having angiotensin converting enzyme inhibiting activity. The method comprises the following steps. A material is dried, milled, and then mixed with water in a weight ratio of 1:11 to form a mixture solution. 0.1 vol % ?-amylase is used to perform hydrolysis at 95° C. for 1 hour. 0.1 vol % glucoamylase is used to perform hydrolysis at 65° C. for 4 hours. A lactic acid bacterium is added in a culture medium containing the mixture solution to perform fermentation for 24 hours. The culture medium is centrifuged to take the supernatant thereof, and the supernatant is boiled for 20 minutes. The supernatant is filtered to obtain a fermented crude extract having angiotensin converting enzyme inhibiting activity.Type: GrantFiled: December 31, 2015Date of Patent: September 4, 2018Assignee: Chia Nan University of Pharmacy & ScienceInventors: Shu-Chen Wang, Pin-Der Duh, Shih-Ying Chen, Chen-Kai Chang, Jung-Tsai Chen, Chih-Kuang Chiu -
Patent number: 9701799Abstract: The invention provides a transparent gas barrier composite film and its preparation method. The transparent gas barrier composite film is formed by having polyvinyl alcohol, graphene oxide and a crosslinking agent undergo blending, crosslinking, film casting and isothermal crystallization processes where a weight ratio of graphene oxide to polyvinyl alcohol is 0.1 wt %, graphene oxide induces crystallization of polyvinyl alcohol to form a hybrid structure compose of polyvinyl alcohol crystals, graphene oxide and the crosslinking agent, crystallinity of polyvinyl alcohol is more than 30%, transmittance of the composite film is more than 85%, and the oxygen transmission rate of the composite film is less than 0.005 cc/m2/day.Type: GrantFiled: October 7, 2014Date of Patent: July 11, 2017Assignee: CHUNG YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai, Ywu-Jang Fu, Quan-Fu An, Shen-Chuan Lo, Yue-Zhe Zhong
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METHOD OF PREPARING FERMENTED CRUDE EXTRACT HAVING ANGIOTENSIN CONVERTING ENZYME INHIBITING ACTIVITY
Publication number: 20170189461Abstract: This invention is related to a method of preparing a fermented crude extract having angiotensin converting enzyme inhibiting activity. The method comprises the following steps. A material is dried, milled, and then mixed with water in a weight ratio of 1:11 to form a mixture solution. 0.1 vol % ?-amylase is used to perform hydrolysis at 95° C. for 1 hour. 0.1 vol % glucoamylase is used to perform hydrolysis at 65° C. for 4 hours. A lactic acid bacterium is added in a culture medium containing the mixture solution to perform fermentation for 24 hours. The culture medium is centrifuged to take the supernatant thereof, and the supernatant is boiled for 20 minutes. The supernatant is filtered to obtain a fermented crude extract having angiotensin converting enzyme inhibiting activity.Type: ApplicationFiled: December 31, 2015Publication date: July 6, 2017Inventors: SHU-CHEN WANG, PIN-DER DUH, SHIH-YING CHEN, CHEN-KAI CHANG, JUNG-TSAI CHEN, CHIH-KUANG CHIU -
Patent number: 9556354Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.Type: GrantFiled: November 30, 2015Date of Patent: January 31, 2017Assignee: CHUNG-YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Patent number: 9458344Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.Type: GrantFiled: November 12, 2013Date of Patent: October 4, 2016Assignee: CHUNG-YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Publication number: 20160090500Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.Type: ApplicationFiled: November 30, 2015Publication date: March 31, 2016Inventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Publication number: 20160046773Abstract: The invention provides a transparent gas barrier composite film and its preparation method. The transparent gas barrier composite film is formed by having polyvinyl alcohol, graphene oxide and a crosslinking agent undergo blending, crosslinking, film casting and isothermal crystallization processes where a weight ratio of graphene oxide to polyvinyl alcohol is 0.1 wt %, graphene oxide induces crystallization of polyvinyl alcohol to form a hybrid structure compose of polyvinyl alcohol crystals, graphene oxide and the crosslinking agent, crystallinity of polyvinyl alcohol is more than 30%, transmittance of the composite film is more than 85%, and the oxygen transmission rate of the composite film is less than 0.005 cc/m2/day.Type: ApplicationFiled: October 7, 2014Publication date: February 18, 2016Inventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai, Ywu-Jang Fu, Quan-Fu An, Shen-Chuan Lo, Yue-Zhe Zhong
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Publication number: 20160046523Abstract: The invention provides a moisture barrier composite film, formed by having a mixture of thermally reduced graphene and cyclic olefin copolymer be formed into a film and forming a hydrophilic surface layer on surfaces of the moisture barrier composite film by a hydrophilic agent; wherein a ratio of carbon atoms to oxygen atoms in thermally reduced graphene is more than 30 and the hydrophilic surface layer has a density of 0.01˜1.0 mg/cm2.Type: ApplicationFiled: October 22, 2014Publication date: February 18, 2016Inventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Patent number: 9101885Abstract: The present invention discloses a silica-like membrane for separating gas, which is modified from poly(dimethylsiloxane) (PDMS) membrane by an atmospheric pressure high temperature plasma torch (APHTPT). Furthermore, the present invention of the separating gas silica-like membrane with an inorganic/organic interface structure which has both the gas flux of the organic membrane and also the gas selectivity of the inorganic membrane.Type: GrantFiled: November 30, 2012Date of Patent: August 11, 2015Assignee: CHUNG-YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Ywu-Jang Fu, Kuo-Lun Tung, Shu-Hsien Huang, Wei-Song Hung, Shingjiang Jessie Lue, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Patent number: 9066604Abstract: A baby swing and bouncer which includes a base to be places on a surface, a seat frame for carrying a seat for seating a child, two support leg disposed between the base frame and the seat frame for supporting the seat frame, and two connecting structure for coupling the seat frame to an upper end of the two support legs, respectively. A lower end of each support leg has a lower straight section rotatably coupled to the base frame, and an upper end of each support leg has an upper straight section rotatably coupled to a corresponding connecting structure. The rotation axes of the lower straight sections and the upper straight sections of the first and second support legs are parallel to each other. The relative rotations of at least one of the lower and upper straight sections of the two support legs are driven by a drive mechanism.Type: GrantFiled: April 27, 2012Date of Patent: June 30, 2015Inventor: Jung Tsai Chen
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Publication number: 20150132504Abstract: This invention is about a method for fabricating carbon molecular sieve membrane. The above method comprises a step of deposition, and a step of carbonization to obtain a high performance and high selectivity carbon molecular sieve membrane. According to this invention, an ultra-thin and defects free carbon molecular sieve membrane can be obtained. More preferably, the method for fabricating carbon molecular sieve membrane of this invention is easy operating, economic, and environmental friendly.Type: ApplicationFiled: November 13, 2013Publication date: May 14, 2015Applicant: CHUNG-YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Publication number: 20150118468Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.Type: ApplicationFiled: November 12, 2013Publication date: April 30, 2015Applicant: CHUNG-YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Publication number: 20140312585Abstract: A baby stroller for receiving car seats is disclosed. The stroller has a frame structure including two car seat receiving frames spaced apart in a longitudinal direction. The two frames are located at different heights, allowing the two car seats placed thereon to overlap each in the longitudinal direction. On each car seat receiving frame, one or more support straps are attached to a front bar and a rear bar of the frame and located below the frame. The support straps are adjustable in length. When a car seat is rested on a car seat receiving frame, the bottom of the car seat is supported by the support straps. A safety strap is provided to secure each car seat to the frame structure. The stroller does not have a seat for seating a child.Type: ApplicationFiled: February 3, 2014Publication date: October 23, 2014Applicant: BABY TREND INC.Inventors: Derek CONRAD, Jung Tsai CHEN, Denny Tsai
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Publication number: 20140167393Abstract: A foldable stroller frame has three sections (a lower-front section, a lower-rear section, and an upper-rear section) joined to and foldable around a common hub structure. The hub structure includes two hubs located on the left and right sides of the stroller frame. The lower-rear section is attached to a pair of brackets of the hub and the other two sections are attached to two guide plates of the hub, to allow the three sections to rotate with respect to each other when the stroller is folded and unfolded. The hub also includes a releasable locking structure for locking the stroller frame in the unfolded state. A release trigger, including a release lever located on a horizontal section extending between the two rear wheels of the stroller, and a wire coupling the release lever and the locking structure, for releasing the locking structure to allow the frame to fold.Type: ApplicationFiled: August 26, 2013Publication date: June 19, 2014Applicant: Baby Trend Inc.Inventors: Denny Tsai, Jung Tsai CHEN, Derek Conrad
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Publication number: 20140144323Abstract: The present invention discloses a silica-like membrane for separating gas, which is modified from poly(dimethylsiloxane) (PDMS) membrane by an atmospheric pressure high temperature plasma torch (APHTPT). Furthermore, the present invention of the separating gas silica-like membrane with an inorganic/organic interface structure which has both the gas flux of the organic membrane and also the gas selectivity of the inorganic membrane.Type: ApplicationFiled: November 30, 2012Publication date: May 29, 2014Applicant: CHUNG YUAN CHRISTIAN UNIVERSITYInventors: Jung-Tsai Chen, Ywu-Jang Fu, Kuo-Lun Tung, Shu-Hsien Huang, Wei-Song Hung, Shingjiang Jessie Lue, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
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Patent number: 8646802Abstract: A baby stroller for receiving a car seat is disclosed. The stroller has a frame structure including a car seat receiving frame and a push handle. The car seat receiving frame has four sides including a front bar and a back bar. One or more support straps are attached to the car seat receiving frame and located below the car seat receiving frame, where each support strap has one end attached to the front bar and another end attached to the back bar of the car seat receiving frame. The support straps are adjustable in length. When a car seat is rested on the car seat receiving frame, the bottom of the car seat is supported by the support straps. A safety strap is provided to secure the car seat to the frame structure. The stroller does not have a seat for seating a child.Type: GrantFiled: October 8, 2010Date of Patent: February 11, 2014Assignee: Baby Trend Inc.Inventors: Derek Conrad, Jung Tsai Chen
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Patent number: 8641077Abstract: A baby stroller for receiving car seats is disclosed. The stroller has a frame structure including two car seat receiving frames spaced apart in a longitudinal direction. The two frames are located at different heights, allowing the two car seats placed thereon to overlap each in the longitudinal direction. On each car seat receiving frame, one or more support straps are attached to a front bar and a rear bar of the frame and located below the frame. The support straps are adjustable in length. When a car seat is rested on a car seat receiving frame, the bottom of the car seat is supported by the support straps. A safety strap is provided to secure each car seat to the frame structure. The stroller does not have a seat for seating a child.Type: GrantFiled: April 3, 2012Date of Patent: February 4, 2014Assignee: Baby Trend Inc.Inventors: Derek Conrad, Jung Tsai Chen, Denny Tsai
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Patent number: 8602490Abstract: A baby highchair for detachably adapting an infant car seat. The highchair has a frame structure and a seat having a bottom and two opposite sidewalls each having two indents, and a car seat adapter bar detachably mounted to the seat between the two opposite sidewalls. The adapter bar has an elongated body with two opposite ends each having two pins, such that the pins at the opposite ends of the adapter bar can be respectively engaged with the indents on the opposite sidewalls of the seat of the highchair to securely attach the car seat adapter bar to the highchair. The elongated body of the car seat adapter bar has a contour for receiving the infant car seat such that the infant car seat can be secured to the adapter bar to adapt the car seat onto the highchair.Type: GrantFiled: October 8, 2010Date of Patent: December 10, 2013Assignee: Baby Trend Inc.Inventors: Denny Tsai, Jung Tsai Chen
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Patent number: D698560Type: GrantFiled: April 27, 2012Date of Patent: February 4, 2014Inventor: Jung Tsai Chen
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Patent number: D722541Type: GrantFiled: February 14, 2012Date of Patent: February 17, 2015Assignee: Baby Trend Inc.Inventors: Derek Conrad, Jung Tsai Chen, Denny Tsai