Patents by Inventor Hwi Dong LEE

Hwi Dong LEE 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).

  • POLYESTER STAPLE YARN FOR WET NON-WOVEN FABRIC, WET NON-WOVEN FABRIC COMPRISING SAME, AND PREPARATION METHOD THEREFOR
    Publication number: 20230416957
    Abstract: The present invention relates to a polyester staple yarn for a wet non-woven fabric, and a wet non-woven fabric including the same, wherein the polyester staple yarn is manufactured by using a polymerization catalyst including a titanium-based compound. The polyester staple yarn is superb in terms of dispersibility due to the remarkably low defect formation thereof, and thus, the present invention can provide a wet non-woven fabric having excellent mechanical strength, and a manufacturing method therefor.
    Type: Application
    Filed: October 15, 2021
    Publication date: December 28, 2023
    Applicant: Toray Advanced Materials Korea Inc.
    Inventor: Hwi Dong LEE