Patents by Inventor Wen-Wei Cheng
Wen-Wei Cheng 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: 11396575Abstract: The present invention provides a thermoplastic polyurethane (TPU) having a glass transition temperature between an ambient temperature and normal body temperature, wherein the TPU contains dicarboxyphenyl polyester structure represented by Formula 1 or 10-(2,3-dicarboxypropyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide n(DOPO-ITA) polyester structure represented by Formula 2. The present invention also provides a polyester polyol containing DOPO-ITA polyester structure represented by Formula 2, a molar percentage of the 10-(2,3-dicarboxypropyl)-9,10-dihydro-9-oxa-10-oxide polyester structure in the whole polyester polyol ranges from 30% to 70%. The present invention further provides an article thereof. in Formula 1, R is C2 to C8 alkylene group or CH2CH2OCH2CH2; in Formula 2, R is C2 to C8 alkylene group or CH2CH2OCH2CH2.Type: GrantFiled: September 19, 2019Date of Patent: July 26, 2022Assignee: SUNKO INK CO., LTD.Inventors: Chiu-Peng Tsou, Zhen-Wei Chen, Wen-Wei Cheng, Ting-Ti Huang, Sheng-Mao Tseng
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Publication number: 20210087326Abstract: The present invention provides a thermoplastic polyurethane (TPU) having a glass transition temperature between an ambient temperature and normal body temperature, wherein the TPU contains dicarboxyphenyl polyester structure represented by Formula 1 or 10-(2,3-dicarboxypropyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide n(DOPO-ITA) polyester structure represented by Formula 2. The present invention also provides a polyester polyol containing DOPO-ITA polyester structure represented by Formula 2, a molar percentage of the 10-(2,3-dicarboxypropyl)-9,10-dihydro-9-oxa-10-oxide polyester structure in the whole polyester polyol ranges from 30% to 70%. The present invention further provides an article thereof. in Formula 1, R is C2 to C8 alkylene group or CH2CH2OCH2CH2; in Formula 2, R is C2 to C8 alkylene group or CH2CH2OCH2CH2.Type: ApplicationFiled: September 19, 2019Publication date: March 25, 2021Inventors: Chiu-Peng TSOU, Zhen-Wei Chen, Wen-Wei CHENG, Ting-Ti HUANG, Sheng-Mao Tseng
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Publication number: 20210087347Abstract: The present invention provides a thermoplastic elastomer composition for foaming. The thermoplastic elastomer composition comprises: (A) an ethylene-based copolymer; (B) an olefin block copolymer; (C) an unsaturated aliphatic rubber; and (D) a crosslinking agent. The olefin block copolymer is different from the ethylene-based copolymer. The weight ratio of the unsaturated aliphatic rubber (C) to the olefin block copolymer (B) is 1:1.5 to 1:5.Type: ApplicationFiled: September 18, 2020Publication date: March 25, 2021Inventors: Wen Wei Cheng, Hsi-Hsin Shih, Chia-Hung Hsu, Yu Tsan Tseng
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Patent number: 10626259Abstract: A polyolefin elastomer composite includes a copolymer, an unsaturated aliphatic polyolefin, an organic peroxide, and an acrylic acid metallic salt mixture. The copolymer is an ethylene copolymer, an olefin block copolymer, or a combination thereof. The ratio of the amount of unsaturated aliphatic polyolefin and the copolymer is 1:3 to 3:1. Based on the total amount of the unsaturated aliphatic polyolefin and the copolymer as 100 parts by weight, the amount of the organic peroxide is 0.1 to 1 part by weight and the amount of the acrylic acid metallic salt mixture is 0.1 to 5 parts by weight. The polyolefin elastomer composite can produce a foamed elastomer having high rebound resilience and low compression set.Type: GrantFiled: July 5, 2018Date of Patent: April 21, 2020Assignee: SUNKO INK CO., LTD.Inventors: Wen-Wei Cheng, Chiu-Peng Tsou, Ting-Ti Huang
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Patent number: 10550259Abstract: A metallic acrylate composition comprises a metallic acrylate and a dispersant, wherein the content of the dispersant is in the range from 0.1 weight percent to 5 weight percent based on the total weight of the metallic acrylate composition, and the metallic acrylate has the structure represented by Formula (I) or Formula (II) as follows: wherein in Formula (I) and Formula (II), X is larger than 0 and less than 2, and M2+ is zinc ion (Zn2+), magnesium ion (Mg2+) or calcium ion (Ca2+); R1 is a hydrogen group or a saturated alkyl group; and R2 is and the dispersant is polytetrafluoroethylene (PTFE) wax or PTFE-modified polyethylene wax.Type: GrantFiled: June 26, 2018Date of Patent: February 4, 2020Assignee: SUNKO INK CO., LTD.Inventors: Chiu-Peng Tsou, Wen-Wei Cheng, Kuan-Jung Chiu, Ting-Ti Huang
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Publication number: 20200010656Abstract: A polyolefin elastomer composite includes a copolymer, an unsaturated aliphatic polyolefin, an organic peroxide, and an metallic acrylate. The copolymer is an ethylene copolymer, an olefin block copolymer, or a combination thereof. The usage ratio of the unsaturated aliphatic polyolefin and the copolymer is 1:3 to 3:1. Based on the total amount of the unsaturated aliphatic polyolefin and the copolymer as 100 parts by weight, the usage of the organic peroxide is 0.1 to 1 part by weight and the usage of the metallic acrylate is 0.1 to 5 parts by weight. The polyolefin elastomer composite can produce a foamed elastomer having high rebound resilience and low compression set.Type: ApplicationFiled: July 5, 2018Publication date: January 9, 2020Inventors: Wen-Wei CHENG, Chiu-Peng TSOU, Ting-Ti HUANG
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Publication number: 20190390052Abstract: A metallic acrylate composition comprises a metallic acrylate and a dispersant, wherein the content of the dispersant is in the range from 0.1 weight percent to 5 weight percent based on the total weight of the metallic acrylate composition, and the metallic acrylate has the structure represented by Formula (I) or Formula (II) as follows: wherein in Formula (I) and Formula (II), X is larger than 0 and less than 2, and M2+ is zinc ion (Zn2+), magnesium ion (Mg2+) or calcium ion (Ca2+); R1 is a hydrogen group or a saturated alkyl group; and R2 is and the dispersant is polytetrafluoroethylene (PTFE) wax or PTFE-modified polyethylene wax.Type: ApplicationFiled: June 26, 2018Publication date: December 26, 2019Inventors: Chiu-Peng TSOU, Wen-Wei CHENG, Kuan-Jung CHIU, Ting-Ti HUANG
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Patent number: 10221265Abstract: Provided are a metallic crosslinking coagent, preparation methods thereof, and a resin composition comprising the metallic crosslinking coagent. With the active-hydrogen containing organic phosphorus compound group and metallophilic acrylate group, the metallic crosslinking coagent provides both stabilizer and flame-retardant effects, enhances the crosslinking efficiency of the resin composition, and improves the compatibility between flame retardant and the polymer. Accordingly, the metallic crosslinking coagent is effective to improve the mechanical properties of the application material and to develop a safe and environmentally friendly flame retardant material.Type: GrantFiled: February 23, 2016Date of Patent: March 5, 2019Assignee: SUNKO INK CO., LTD.Inventors: Kuan-Jung Chiu, Wen-Wei Cheng, Ting-Ti Huang, Chiu-Peng Tsou
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Publication number: 20160326196Abstract: Provided are a metallic crosslinking coagent, preparation methods thereof, and a resin composition comprising the metallic crosslinking coagent. With the active-hydrogen containing organic phosphorus compound group and metallophilic acrylate group, the metallic crosslinking coagent provides both stabilizer and flame-retardant effects, enhances the crosslinking efficiency of the resin composition, and improves the compatibility between flame retardant and the polymer. Accordingly, the metallic crosslinking coagent is effective to improve the mechanical properties of the application material and to develop a safe and environmentally friendly flame retardant material.Type: ApplicationFiled: February 23, 2016Publication date: November 10, 2016Applicant: KUO CHING CHEMICAL CO., LTD.Inventors: Kuan-Jung CHIU, Wen-Wei CHENG, Ting-Ti HUANG, Chiu-Peng TSOU
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Patent number: 9116135Abstract: A surface pattern detecting method includes: capturing a surface image of a sample element to be detected, wherein the surface image containing N grayscale pixels and wherein the N is a positive integer; selecting f×N pixels with small grayscale value based on a selection ratio f in order to define a pattern zone and further calculating a pattern mean of the pattern zone based on pixel amount and grayscale value of the pattern zone; selecting f×N pixels with big grayscale value in order to define a background zone and further calculating a background mean of the background zone based on pixel amount and grayscale value of the background zone; and determining whether the surface image has a defect based on the pattern means of the pattern zone and the background mean of the background zone.Type: GrantFiled: May 11, 2012Date of Patent: August 25, 2015Assignee: Chroma Ate, Inc.Inventors: Wen-Wei Cheng, Ming-Kai Hsueh, Wen-Chi Lo
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Publication number: 20130223747Abstract: A surface pattern detecting method includes: capturing a surface image of a sample element to be detected, wherein the surface image containing N grayscale pixels and wherein the N is a positive integer; selecting f×N pixels with small grayscale value based on a selection ratio f in order to define a pattern zone and further calculating a pattern mean of the pattern zone based on pixel amount and grayscale value of the pattern zone; selecting f×N pixels with big grayscale value in order to define a background zone and further calculating a background mean of the background zone based on pixel amount and grayscale value of the background zone; and determining whether the surface image has a defect based on the pattern means of the pattern zone and the background mean of the background zone.Type: ApplicationFiled: May 11, 2012Publication date: August 29, 2013Applicant: CHROMA ATE INC.Inventors: WEN-WEI CHENG, MING-KAI HSUEH, WEN-CHI LO
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Publication number: 20060021866Abstract: A device for making distilled spirit includes a distiller body which has a storage container and a temperature sensor is connected to an outside of the distiller body and located corresponding to the storage container which includes a heater and a condenser connected thereto. The condenser is connected to an outside of the distiller body and has an automatic control switch. A lid is removably connected to the distiller body and a feeding device is connected to the lid. The lid has a control valve for controlling ratio of yeast and glycolytic enzymes. The temperature sensor, the automatic cooling switch, the control valve, the heater and the cooler are connected by the control panel.Type: ApplicationFiled: July 15, 2005Publication date: February 2, 2006Inventor: Wen-Wei Cheng
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Publication number: 20040136859Abstract: In order to improve castability of a titanium alloy, 0.01-5 wt %, preferably 0.1-3 wt %, of bismuth is introduced into the titanium alloy, based on the weight of bismuth and the titanium alloy. The titanium alloy is suitable for making a dental casting or a medical implant by casting.Type: ApplicationFiled: January 5, 2004Publication date: July 15, 2004Applicant: CANA LAB CORPORATIONInventors: Jiin-Huey Chern Lin, Chien-Ping Ju, Wen-Wei Cheng, Dan Jae Lin, Chih-Min Lee
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Patent number: 6723189Abstract: Quenching a work piece made of a titanium alloy having a temperature higher than 800° C. to a temperature lower than 500° C. at a cooling rate greater than 10° C./second between 800° C. and 500° C. is used to render the cooled work piece containing &agr;″ phase as a major phase. The work piece is preferably a medical implant.Type: GrantFiled: May 30, 2002Date of Patent: April 20, 2004Inventors: Jiin-Huey Chern Lin, Chien-Ping Ju, Chih-Min Lee, Wen-Fu Ho, Dan Jae Lin, Wen-Wei Cheng, Chia Wei Lin, Che Chin Yang
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Patent number: 6572815Abstract: The present invention provides a low alloying element-doped titanium and a casting cast therefrom. The doped titanium of the present invention includes titanium and from about 0.01 to 3 percent by weight of an alloying metal selected from the group consisting of bismuth, silver, hafnium, tantalum, molybdenum, tin, niobium, chromium and copper based on the weight of the titanium. The doped titanium of the present invention has improved castability and a decreased surface tension compared with pure titanium.Type: GrantFiled: April 12, 2000Date of Patent: June 3, 2003Inventors: Chien-Ping Ju, Jiin-Huey Chern Lin, Wen-Wei Cheng
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Publication number: 20020179208Abstract: Quenching a work piece made of a titanium alloy having a temperature higher than 800° C. to a temperature lower than 500° C. at a cooling rate greater than 10° C./second between 800° C. and 500° C. is used to render the cooled work piece containing &agr;″ phase as a major phase. The work piece is preferably a medical implant.Type: ApplicationFiled: May 30, 2002Publication date: December 5, 2002Applicant: Jiin-Huey Chern LINInventors: Jiin-Huey Chern Lin, Chien-Ping Ju, Chih-Min Lee, Wen-Fu Ho, Dan Jae Lin, Wen-Wei Cheng, Chia Wei Lin, Che Chin Yang
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Publication number: 20020179197Abstract: In order to improve castability of a titanium alloy, 0.1-5 wt %, preferably 0.5-3 wt %, of bismuth is doped, based on the weight of bismuth and the titanium alloy. The titanium alloy is for making a dental casting or a medical implant.Type: ApplicationFiled: June 26, 2002Publication date: December 5, 2002Applicant: Jiin-Huey Chern LINInventors: Jiin-Huey Chern Lin, Chien-Ping Ju, Wen-Wei Cheng
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Patent number: D580208Type: GrantFiled: July 24, 2007Date of Patent: November 11, 2008Inventor: Wen-Wei Cheng