Patents by Inventor Ai Lin

Ai 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).

  • Publication number: 20060094736
    Abstract: The invention relates to derivatives of pyrroloquinazolinediamine, more specifically derivatives of 7-(substituted)-7H-pyrrolo[3,2-F] quinazoline-1,3-diamines that are non-toxic and are also effective in the treatment of malaria, including P. falciparum and P. vivax strains. The derivatives are certain carbamate derivatives, succinimide derivatives, alkylcarboxamides derivatives and acetamide derivative, phthalimides, alkylamines and all other amide and imide derivatives and their 1-hydroxy analogs. The derivatives of the present invention are also soluble in common organic solvents to facilitate the purification in a large scale synthesis of the composition.
    Type: Application
    Filed: October 22, 2004
    Publication date: May 4, 2006
    Inventors: Ai Lin, Jian Guan, Quan Zhang, Donald Skillman
  • Publication number: 20050148645
    Abstract: Disclosed herein are 2-guanidinylimidazolidinedione compounds having the structural formula A or B wherein R1 and R2 are each independently a hydrogen, halogen, alkyl, alkoxyl, amino, alkylamino or aralkyl, and wherein R3 is an alkyl, cycloalkyl, heterocycloalkyl, acyl, aryl, heteroaryl, alkylaryl, sulfonyl, alkylsulfonyl, and pharmaceutically acceptable salts thereof, and methods of making thereof. Also disclosed are methods of treating, preventing, or inhibiting malaria with the 2-guanidinylimidazolidinedione compounds, and pharmaceutical compositions comprising the 2-guanidinylimidazolidinedione compounds, and kits.
    Type: Application
    Filed: November 19, 2004
    Publication date: July 7, 2005
    Inventors: Ai Lin, Quan Zhang, Jian Guan, Wilbur Milhous