Patents by Inventor Maria BABAK

Maria BABAK 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: 11958869
    Abstract: Disclosed herein are ruthenium arene Schiff-base complex and uses thereof. The ruthenium arene Schiff-base complex disclosed herein has the structure of formula (I), wherein, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 are independently H, alkyl, alkoxyl, or halo; R13, R14, R15, R16, and R17 are independently H, alkyl, alkoxyl, hydroxy, halo, —C(?NH)NH2, —SO3H, —SO2NH2, —NR?R?, or —CONH2; or R13 and R14 are taken together to form a benzene ring, while R15, R16, and R17 are independently H, alkyl, alkoxyl, hydroxy, halo, —C(?NH)NH2, —SO3H, —SO2NH2, —NR?R?, or —CONH2; or R14 and R15 are taken together to form a benzene ring, while R13, R16, and R17 are independently H, alkyl, alkoxyl, hydroxy, halo, —C(?NH)NH2, —SO3H, —SO2NH2, —NR?R?, or —CONH2; R? and R? are independently H or alkyl; the alkyl is optionally substituted with one or more halo or hydroxy, or hydroxy; and Y is a counter anion. Also disclosed herein are methods of treating malignant neoplasm in a subject.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: April 16, 2024
    Assignee: CITY UNIVERSITY OF HONG KONG
    Inventors: Maria Babak, Wee Han Ang, Mun Juinn Chow
  • Publication number: 20230106519
    Abstract: The present invention relates to a compound of following formula (I), which is a novel prodrug of biguanide derivatives: (I). The present invention also relates to the preparation and methods of using the compound. In particular, the invention relates to prodrugs wherein metformin and phenformin are attached to AuIII cyclometalated backbone to form novel AuIII prodrugs of metformin or phenformin with improved anticancer effects.
    Type: Application
    Filed: March 23, 2021
    Publication date: April 6, 2023
    Applicants: National University of Singapore, Northwestern University
    Inventors: Wee Han Ang, Maria Babak, Irina Vadimovna Balyasnikova
  • Publication number: 20220348601
    Abstract: Disclosed herein are ruthenium arene Schiff-base complex and uses thereof. The ruthenium arene Schiff-base complex disclosed herein has the structure of formula (I), wherein, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 are independently H, alkyl, alkoxyl, or halo; R13, R14, R15, R16, and R17 are independently H, alkyl, alkoxyl, hydroxy, halo, —C(?NH)NH2, —SO3H, —SO2NH2, —NR?R?, or —CONH2; or R13 and R14 are taken together to form a benzene ring, while R15, R16, and R17 are independently H, alkyl, alkoxyl, hydroxy, halo, —C(?NH)NH2, —SO3H, —SO2NH2, —NR?R?, or —CONH2; or R14 and R15 are taken together to form a benzene ring, while R13, R16, and R17 are independently H, alkyl, alkoxyl, hydroxy, halo, —C(?NH)NH2, —SO3H, —SO2NH2, —NR?R?, or —CONH2; R? and R? are independently H or alkyl; the alkyl is optionally substituted with one or more halo or hydroxy, or hydroxy; and Y is a counter anion. Also disclosed herein are methods of treating malignant neoplasm in a subject.
    Type: Application
    Filed: April 13, 2022
    Publication date: November 3, 2022
    Inventors: Maria BABAK, Wee Han ANG, Mun Juinn CHOW