Patents by Inventor Po Wen Chung

Po Wen Chung 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: 20130118376
    Abstract: The present invention relates to a cold transfer printing paste, a printing colorant and preparation methods thereof. Specifically, the present invention relates to: a cold transfer printing past, which contains polysaccharide, sodium L-pyrrolidonecarboxylate, an etherified starch and water; a printing colorant, which contains the paste of the present invention, an active dye, a defoamer, a flatting agent, a pH stabilizing agent and water; and preparation methods of the paste and the printing colorant. The cold transfer printing paste of the present invention and a printing colorant containing the paste are applicable in a cold transfer printing process, and have stable physical properties, thereby preventing decrease of the viscosity in use.
    Type: Application
    Filed: July 15, 2011
    Publication date: May 16, 2013
    Applicant: Newtech Textile Technology Development (Shanghai) Co., Ltd.
    Inventor: Po-Wen Chung
  • Patent number: 8361623
    Abstract: The invention provides novel mesoporous particles and methods for the selective sequestration of organic compounds from microorganisms, such as from various genera and species of algae that produce important organic compounds. The organic compounds can be selectively sequestered, for example, in favor of biodiesel impurities such as sterols and chlorophyll, to provide substantially pure free fatty acids. The free fatty acids can then be esterified to provide pure biodiesel.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: January 29, 2013
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Victor Shang-Yi Lin, Brian G. Trewyn, Po-Wen Chung, Igor Ivan Slowing
  • Patent number: 7989039
    Abstract: A connecting material for cold transfer printing paper is provided and includes an acrylic coating agent composition as an isolating layer and an acrylic coating agent composition as an ink-receiving layer. Also provided is a method for preparing the connecting material for cold transfer printing paper, a cold transfer printing paper and a method for printing a pattern or letter on a fabric by using the cold transfer printing paper.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: August 2, 2011
    Assignee: Shanghai Newtech Fabric Printing Co., Ltd.
    Inventor: Po Wen Chung
  • Patent number: 7968743
    Abstract: A thiocarbonylthio compound and free radical polymerization employing the same. The thiocarbonylthio compound is represented by formula (I) or (II): wherein Z can be independently perfluoroalkyl, alkyl, haloalkyl, aryl, alkylaryl, haloalkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkoxyaryl, alkylsulfonyl, alkylsulfonylaryl, dialkylphosphinyl, or dialkylphosphinothioyl; R1 and R2 can be each independently hydrogen, alkyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy or alkoxyaryl; R3 is alkyl, aryl, aminoalkyl, alkylamino, alkoxy or alkoxyaryl. Furthermore, R3 can also be alkyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, haloalkylaryl, alkylsilyl, alkylthio, alkylthioaryl, or substituent containing CN, CO, COOH, COOCH3 or heterocyclic moieties; and R4 is perfluoroalkyl. The thiocarbonylthio compound can be used as a reversible chain transfer agent in a free radical polymerization to obtain a polymer with a controlled molecular weight and narrow polydispersity.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: June 28, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo Chen Shih, Po Wen Chung, Mei Hua Wang
  • Publication number: 20100196971
    Abstract: The invention provides novel mesoporous particles and methods for the selective sequestration of organic compounds from microorganisms, such as from various genera and species of algae that produce important organic compounds. The organic compounds can be selectively sequestered, for example, in favor of biodiesel impurities such as sterols and chlorophyll, to provide substantially pure free fatty acids. The free fatty acids can then be esterified to provide pure biodiesel.
    Type: Application
    Filed: February 2, 2010
    Publication date: August 5, 2010
    Applicant: Iowa State University Research Foundation, Inc.
    Inventors: Victor Shang-Yi Lin, Brian G. Trewyn, Po-Wen Chung, Igor Ivan Slowing
  • Publication number: 20100048844
    Abstract: A thiocarbonylthio compound and free radical polymerization employing the same. The thiocarbonylthio compound is represented by formula (I) or (II): wherein Z can be independently perfluoroalkyl, alkyl, haloalkyl, aryl, alkylaryl, haloalkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkoxyaryl, alkylsulfonyl, alkylsulfonylaryl, dialkylphosphinyl, or dialkylphosphinothioyl; R1 and R2 can be each independently hydrogen, alkyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy or alkoxyaryl; R3 is alkyl, aryl, aminoalkyl, alkylamino, alkoxy or alkoxyaryl. Furthermore, R can also be alkyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, haloalkylaryl, alkylsilyl, alkylthio, alkylthioaryl, or substituent contaning CN, CO, COOH, COOCH3 or heterocyclic moieties; and R4 is perfluoroalkyl. The thiocarbonylthio compound can be used as a reversible chain transfer agent in a free radical polymerization to obtain a polymer with a controlled molecular weight and narrow polydispersity.
    Type: Application
    Filed: November 4, 2009
    Publication date: February 25, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo Chen Shih, Po Wen Chung, Mei Hua Wang
  • Patent number: 7632959
    Abstract: A thiocarbonylthio compound and free radical polymerization employing the same. The thiocarbonylthio compound is represented by formula (I) or (II): wherein Z can be independently perfluoroalkyl, alkyl, haloalkyl, aryl, alkylaryl, haloalkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkoxyaryl, alkylsulfonyl, alkylsulfonylaryl, dialkylphosphinyl, or dialkylphosphinothioyl; R1 and R2 can be each independently hydrogen, alkyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy or alkoxyaryl; R3 is alkyl, aryl, aminoalkyl, alkylamino, alkoxy or alkoxyaryl. Furthermore, R can also be alkyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, haloalkylaryl, alkylsilyl, alkylthio, alkylthioaryl, or substituent contaning CN, CO, COOH, COOCH3 or heterocyclic moieties; and R4 is perfluoroalkyl. The thiocarbonylthio compound can be used as a reversible chain transfer agent in a free radical polymerization to obtain a polymer with a controlled molecular weight and narrow polydispersity.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: December 15, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo Chen Shih, Po Wen Chung, Mei Hua Wang
  • Publication number: 20080280758
    Abstract: A connecting material for cold transfer printing paper is provided and includes an acrylic coating agent composition as an isolating layer and an acrylic coating agent composition as an ink-receiving layer. Also provided is a method for preparing the connecting material for cold transfer printing paper, a cold transfer printing paper and a method for printing a pattern or letter on a fabric by using the cold transfer printing paper.
    Type: Application
    Filed: June 21, 2007
    Publication date: November 13, 2008
    Applicants: SHANGHAI NEWTECH FABRIC PRINTING CO., LTD., Shanghai Difang Textile Technological Flocking Co., Ltd.
    Inventor: Po Wen Chung
  • Publication number: 20080168915
    Abstract: Apparatus for cold transfer printing by means of rollers, comprising: a pair of rollers consisting of a main roller and a pressure roller, the center lines thereof being parallel with each other, the pressure roller being in close contact with the circumferential surface of the main roller, the main roller being connected with the transmission mechanism of a cold transfer printing machine, a spindle of the main roller being fixedly coupled with a frame of the machine through bearings, bearing supports and positioning and adjusting means disposed on the two ends of the spindle, and a spindle of the pressure roller being provided with bearings on the two ends thereof and connected with pressing means, with the pressure direction being directed toward the center of the main roller; and at least one auxiliary roller, situated on the side of a line joining centers of the main and pressure rollers and being in close contact with the circumferential surface of the main roller, a spindle of the auxiliary roller being
    Type: Application
    Filed: May 15, 2007
    Publication date: July 17, 2008
    Applicant: SHANGHAI NEWTECH FABRIC PRINTING CO., LTD.
    Inventor: Po-Wen Chung
  • Publication number: 20080097451
    Abstract: A surgical tool assembly for Total Knee Arthroplasty (TKA) including a femoral intra-medullary (IM) rod, a femoral intra-medullary (IM) alignment guide, a distal femoral alignment guide, and a distal femoral cutting guide. After the femoral IM alignment guide is selected to fit the valgus angle and utilized with the femoral IM rod with respect to the distal femur, the distal femoral alignment guide is integrated to the complex. Then, the distal femoral cutting guide is slid to the distal femoral alignment guide in the orientation from distal to proximal through the sliding concave integrated with the sliding track.
    Type: Application
    Filed: September 20, 2006
    Publication date: April 24, 2008
    Applicants: United Orthopedic Corporation, Ing-Ho Chen
    Inventors: Ing-Ho Chen, Po-Wen Chung, Shou-Heng Pao