Patents by Inventor Woei-Ling Lin

Woei-Ling Lin 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).

  • Preparation of gas separation membrane and spiral wound gas separation module
    Patent number: 5236643
    Abstract: The invention relates to a process for preparing gas separation membranes or modules. Membrane forming material is cast into a wet membrane which is wound into a spiral module. The spiral module is arranged in a closed circulating apparatus. Exchanging solvents or treating solutions are circulated through the circulating apparatus and the spiral module for an appropriate period of time. The module and circulating apparatus are purged until the membrane is dry, thus producing a gas separation membrane or module.
    Type: Grant
    Filed: September 4, 1991
    Date of Patent: August 17, 1993
    Assignee: Industrial Technology Research Institute
    Inventors: Tsai-Wie Tseng, Yih-Her Chang, Juh-Shyong Lee, Shyh-Yeu Wang, Woei-Ling Lin, Ren-Kuen Chang