Patents by Inventor Cong-Yun Dai

Cong-Yun Dai 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).

  • Bleach catalysts
    Publication number: 20010044402
    Abstract: A bleach catalyst system comprising in combination, a macrocyclic organic ligand of formula (I): 1
    Type: Application
    Filed: December 19, 2000
    Publication date: November 22, 2001
    Inventors: Cong-Yun Dai, Dao-Li Deng, Ronald Hage, Chang-Qing Ye, Hong Zeng