Patents by Inventor Ching-Wang Luo

Ching-Wang Luo 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).

  • Patent number: 5194544
    Abstract: An ultraviolet light-absorbing polymer which comprises a homopolymer of a polymerizable monomer having the structure: ##STR1## wherein: Z is N or --CH--,R is H or CH.sub.3,R.sub.1 and R.sub.2 may be the same or different and are H, alkyl or alkyloxy having from 1 to 20 carbon atoms, alkylcarboxy having from 2 to 20 carbon atoms, arylcarboxy having from 7 to 25 carbon atoms or hydroxyl;R.sub.3 is H, hydroxyl, hydroxyalkyl having from 1 to 20 carbon atoms or siloxy;R.sub.4, R.sub.5, R.sub.6 and R.sub.7 may be the same or different and are H or halogen;x is an integer from 1 to 20; ora copolymer thereof with an ethylenically unsaturated comonomer, the copolymer comprising an ultraviolet light-absorbing effective amount of the ultraviolet light-absorbing polymerizable monomer.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: March 16, 1993
    Assignee: University of Florida
    Inventors: Eugene P. Goldberg, Fu-Mian Li, Ching-Wang Luo
  • Patent number: 4985559
    Abstract: An ultraviolet light-absorbing, polymerizable monomer having the structure ##STR1## wherein: Z is N or --CH--,R is H or CH.sub.3,R.sub.1 and R.sub.2 may be the same or different and are H, alkyl or alkyloxy having from 1 to 20 carbon atoms, alkylcarboxy having from 2 to 20 carbon atoms, arylcarboxy having from 7 to 25 carbon atoms or hydroxyl;R.sub.3 is H, hydroxyl, hydroxyalkyl having from 1 to 20 carbon atoms or siloxy;R.sub.4, R.sub.5, R.sub.6 and R.sub.7 may be the same or different and is H or halogen; andx is an integer from 1 to 20.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: January 15, 1991
    Assignee: University of Florida
    Inventors: Eugene P. Goldberg, Fu-Mian Li, Ching-Wang Luo