Patents by Inventor Wen-Hen L{dot over (o)}

Wen-Hen L{dot over (o)} 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).

  • Composition of an anti-scale-forming agent
    Patent number: 6458292
    Abstract: A composition for an anti-scale-forming agent includes oil-based polyalkylenes, amines phosphorous and oxygen in a polymer for providing dispersivity and anti-oxidation and having the following formula: By integrating both characteristics into a single polymer, the anti-scale-forming agent in accordance with the present invention can be used as an anti-scale-forming agent for a manufacturing process in a petroleum refinery plant or the like chemistry factory. R1, R2 and x are defined herein.
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: October 1, 2002
    Assignee: Chinese Petroleum Corp.
    Inventors: Jiang-Jen Lin, Jann-Chen Lin, Wen-Hen L{dot over (o)}, Wen-Shwong Hwang, Kun-Hai Lin