Patents by Inventor Wen-Cheng Yang

Wen-Cheng Yang 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).

  • Publication number: 20220243031
    Abstract: A matte polyester film and a method for manufacturing the same are provided, The method for manufacturing the matte polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity less than the first intrinsic viscosity; mixing matte regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester masterbatch material; melting and then extruding the polyester masterbatch material to obtain the matte polyester film having the predetermined intrinsic viscosity.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 4, 2022
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Wen-Cheng Yang, Te-Chao Liao, Chun-Cheng Yang, Chia-Yen Hsiao, Hao-Sheng Chen
  • Publication number: 20220243030
    Abstract: A white polyester film and a method for manufacturing the same are provided. The method for manufacturing the white polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity less than the first intrinsic viscosity; mixing white regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester masterbatch material; melting and extruding the polyester masterbatch material to obtain the white polyester film having the predetermined intrinsic viscosity.
    Type: Application
    Filed: August 13, 2021
    Publication date: August 4, 2022
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Wen-Cheng Yang, Te-Chao Liao, Chun-Cheng Yang, Chia-Yen Hsiao, Chih-Feng Wang
  • Patent number: 11383502
    Abstract: A recyclable retort pouch and a recyclable retort polyester film thereof are provided. The recyclable retort polyester film includes a heat seal layer and at least one polyester layer. The heat seal layer is composed of isophthalic acid, neopentyl glycol, polybutylene terephthalate, 1,4-cyclohexanedimethanol, and polyethylene terephthalate-1,4-cyclohexane dimethanol ester. The polyester layer is formed on the heat seal layer, and is composed of a polyester composition. The polyester composition includes a polyester resin made from recycled PET bottle flakes processed by physical or chemical methods and the polyester resin has an inherent viscosity between 0.62 dl/g and 1.0 dl/g. The recyclable retort pouch is made of the recyclable retort polyester film.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 12, 2022
    Assignee: NAN YA PLASTICS CORPORATION
    Inventors: Te-Chao Liao, Wen-Cheng Yang, Ching-Yao Yuan, Chia-Yen Hsiao
  • Publication number: 20220193971
    Abstract: A biaxially oriented polyester film having the following physical property is provided: when cooled from the molten state at a cooling rate of 20° C/min, an observed recrystallization temperature is 175° C-200° C. The biaxially oriented polyester film is formed by a thick sheet before bidirectional stretching that is melted and extruded by an extruder and then cooled and formed on a casting roll. The thick sheet before stretching having the following physical property as analyzed by differential scanning calorimetry: a crystallization rate is less than 10%.
    Type: Application
    Filed: May 14, 2021
    Publication date: June 23, 2022
    Applicant: NAN YA PLASTICS CORPORATION
    Inventors: Wen-Cheng Yang, Chen An Wu, Chun-Cheng Yang, Chia-Yen Hsiao
  • Publication number: 20220041835
    Abstract: A polyester film is provided. The polyester film includes 10 wt % to 100 wt % of a regenerated polyester resin. The regenerated polyester resin includes a physically regenerated polyester resin and a chemically regenerated polyester resin. Based on a total weight of the regenerated polyester resin being 100 wt %, an amount of the chemically regenerated polyester resin is larger than or equal to 5 wt %.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 10, 2022
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHING-YAO YUAN, Yu-Chi Hsieh, Chia-Yen Hsiao
  • Publication number: 20220017770
    Abstract: A polyester film for laser embossing and a method for manufacturing the same are provided. The polyester film for laser embossing is made from a recycled polyester material, and includes a base layer and a skin layer. The skin layer is disposed on at least one surface of the base layer. The skin layer is formed from a first polyester composition. The first polyester composition includes regenerated polyethylene terephthalate as a main component and at least one component selected from 1,4-butanediol, isophthalic acid, neopentyl glycol, 2-methyl-1,3-propanediol, pentanediol, isopentyldiol, adipic acid, and 1,4-cyclohexanedimethanol, so that a melting point of the skin layer ranges from 190° C. to 240° C.
    Type: Application
    Filed: March 17, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, WEN-JUI CHENG
  • Publication number: 20220017709
    Abstract: An ultraviolet-absorbing polyester film and a method for manufacturing the same are provided. The ultraviolet-absorbing polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the ultraviolet-absorbing polyester film, a content of the electrostatic pinning additives is between 0.005% and 0.1% by weight. The ultraviolet-absorbing polyester film further contains an ultraviolet absorber.
    Type: Application
    Filed: March 17, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, Chih-Feng Wang
  • Publication number: 20220017708
    Abstract: A polyester film for embossing and a method for manufacturing the same are provided. The polyester film for embossing is made from a recycled polyester material. The polyester film for embossing includes a base layer and a surface coating layer. The base layer is formed from a polyester composition. The polyester composition includes regenerated polyethylene terephthalate as a main component. The surface coating layer is disposed on at least one surface of the base layer. A material of the surface coating layer includes a main resin, fillers, and melamine. Based on a total weight of the surface coating layer being 100 wt %, an existing amount of the main resin is 45 wt % to 95 wt %, an existing amount of the fillers is 0.1 wt % to 30 wt %, and an existing amount of the melamine is 0.01 wt % to 25 wt %.
    Type: Application
    Filed: March 15, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, Yu-Chi Hsieh
  • Publication number: 20220017769
    Abstract: A heat sealable polyester film and a method for manufacturing the same are provided. The heat sealable polyester film is made from a recycled polyester material. The heat sealable polyester film includes a base layer and a heat sealable layer formed on at least one surface of the base layer. The heat sealable layer is formed from a first polyester composition. A main component of the first polyester composition is regenerated polyethylene terephthalate and the first polyester composition further includes at least one of 1,4-butanediol, isophthalic acid, neopentyl glycol, and polybutylene terephthalate. A heat sealing temperature of the heat sealable polyester film ranges from 120° C. to 230° C.
    Type: Application
    Filed: March 15, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, CHING-YAO YUAN
  • Publication number: 20220017707
    Abstract: A flame-retardant polyester film and a method for manufacturing the same are provided. The flame-retardant polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight.
    Type: Application
    Filed: March 12, 2021
    Publication date: January 20, 2022
    Inventors: Wen-Cheng Yang, TE-CHAO LIAO, Chia-Yen Hsiao, HAO-SHENG CHEN
  • Publication number: 20210332199
    Abstract: A polyester film having a laminated structure and a method for manufacturing the same are provided. The polyester film has at least two polyester film layers. Each of the polyester film layers includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips, and is mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. The at least two polyester film layers are a white polyester film layer and a black polyester film layer, respectively.
    Type: Application
    Filed: March 10, 2021
    Publication date: October 28, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHUN-CHENG YANG, Chia-Yen Hsiao, CHING-YAO YUAN
  • Publication number: 20210332201
    Abstract: A biaxially-stretched polyester film and a method for producing the same are provided. The biaxially-stretched polyester film includes a polyester resin matrix and spherical smoothing agents dispersed therein. The polyester resin matrix has a refractive index within a range from 1.5 to 1.7. The spherical smoothing agents each have a refractive index within a range from 1.3 to 1.9, a particle size within a range from 30 nm to 5 ?m, and a circularity not less than 0.6. Based on 100 parts by weight of the biaxially-stretched polyester film, a content range of the polyester resin matrix is from 50 to 99.999 parts by weight, and a content range of the spherical smoothing agents is from 0.0001 to 10 parts by weight. The biaxially-stretched polyester film has a haze not greater than 2% and a transparency not less than 85%.
    Type: Application
    Filed: March 17, 2021
    Publication date: October 28, 2021
    Inventors: Wen-Cheng Yang, Te-Chao Liao, Chia-Yen Hsiao, Chun-Che Tsao
  • Publication number: 20210332213
    Abstract: A white polyester film and a method for manufacturing the same are provided. The white polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further include chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight. The polyester film further includes a white additive.
    Type: Application
    Filed: March 9, 2021
    Publication date: October 28, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHUN-CHENG YANG, Chia-Yen Hsiao, CHING-YAO YUAN
  • Publication number: 20210332198
    Abstract: A polyester film and a method for manufacturing the same are provided. The polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight.
    Type: Application
    Filed: March 8, 2021
    Publication date: October 28, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHUN-CHENG YANG, Chia-Yen Hsiao, Yu-Chi Hsieh
  • Publication number: 20210332218
    Abstract: A polyester film for dry films includes a polyester resin matrix and a plurality of spherical smoothing agents dispersed in the polyester resin matrix. The polyester resin matrix has a refractive index with a range from 1.5 to 1.7. Each of the spherical smoothing agents has a refractive index within a range from 1.3 to 1.9, a particle size within a range from 50 nm to 2 ?m, and a circularity not less than 0.7. A surface of each of the spherical smoothing agents is covered with a siloxane compound or modified with siloxy to be in contact with the polyester resin matrix. The polyester film for dry films is a biaxially-stretched polyester film, and the polyester film for dry films has a haze not greater than 1%, a transparency not less than 85%, and a circuit resolution not greater than 10 ?m.
    Type: Application
    Filed: March 15, 2021
    Publication date: October 28, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, Chia-Yen Hsiao, CHUN-CHE TSAO, Jhen-Rong Syu
  • Publication number: 20210332200
    Abstract: A black polyester film and a method for manufacturing the same are provided. The black polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further include chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight. The black polyester film further includes a black additive.
    Type: Application
    Filed: March 10, 2021
    Publication date: October 28, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHUN-CHENG YANG, Chia-Yen Hsiao, CHING-YAO YUAN
  • Publication number: 20210332214
    Abstract: A matte polyester film and a method for manufacturing the same are provided. The matte polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further include chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight. The matte polyester film further includes a matting additive.
    Type: Application
    Filed: March 10, 2021
    Publication date: October 28, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, CHUN-CHENG YANG, Chia-Yen Hsiao, Yu-Chi Hsieh
  • Patent number: 11111910
    Abstract: Cryogenic pump apparatuses include nanostructure material to achieve an ultra-high vacuum level. The nanostructure material can be mixed with either an adsorbent material or a fixed glue layer which is utilized to fix the adsorbent material. The nanostructure material's good thermal conductivity and adsorption properties help to lower working temperature and extend regeneration cycle of the cryogenic pumps.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: September 7, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Surendra Babu Anantharaman, Wen-Cheng Yang, Chung-En Kao, Victor Y. Lu, Wei Chin
  • Publication number: 20210263202
    Abstract: An infrared shielding film and a method for manufacturing the same are provided. The infrared shielding film includes an infrared absorbing layer and a first infrared reflecting layer disposed on a surface of the infrared absorbing layer. The infrared absorbing layer contains a uniform distribution of composite tungsten oxide particles that are present in an amount of 0.1% to 10% by weight based on the total weight of the infrared absorbing layer. The first infrared reflecting layer contains a uniform distribution of titanium oxide particles that are present in an amount of 0.1% to 10% by weight based on the total weight of the first infrared reflecting layer.
    Type: Application
    Filed: January 27, 2021
    Publication date: August 26, 2021
    Inventors: TE-CHAO LIAO, Wen-Cheng Yang, Chia-Yen Hsiao, CHUN-CHE TSAO
  • Publication number: 20210253809
    Abstract: A low shrinkage low oligomer polyester film and a method for manufacturing the same are provided. The method includes forming at least one polyester composition into an unstretched polyester thick film and stretching the unstretched polyester thick film in a machine direction (MD) and a transverse direction (TD) at a stretch ratio of two to six times. The polyester composition includes 94% to 99.974% by weight of a polyester resin, 0.01% to 1% by weight of a primary antioxidant, 0.01% to 1% by weight of a secondary antioxidant, 0.003% to 2% by weight of a nucleating agent, and 0.003% to 2% by weight of a flow aid. The polyester resin has an intrinsic viscosity between 0.60 dl/g and 0.80 dl/g.
    Type: Application
    Filed: September 28, 2020
    Publication date: August 19, 2021
    Inventors: Te-Chao LIAO, Wen-Cheng YANG, Wen-Jui CHENG, Chia-Yen HSIAO