Patents by Inventor Dominik Janczewski

Dominik Janczewski 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: 9278993
    Abstract: The invention generally refers to a cell-targeting nanoparticle, wherein the cell-targeting nanoparticle is directly conjugated to at least one cysteine-containing peptide, wherein the cysteine-containing peptide is selected from the group consisting of glutathione (GSM, a GSH-containing peptide, and a peptide comprising a nuclear localization signal (NLS) sequence and a transporter sequence, and methods of using the cell-targeting nanoparticle.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: March 8, 2016
    Assignee: Agency for Science, Technology and Research
    Inventors: Tamil Selvan Subramanian, Padmanabhan Parasuraman, Dominik Janczewski, Kishore K. Bhakoo
  • Publication number: 20150368481
    Abstract: The present invention relates to a method and polymer for improving stability of Layer-by-Layer (LbL) assemblies or films such as for antifouling performances in a sea water environment. Stability enhancement is achieved by an application of a custom made polyanion that can be easily crosslinked in a mild condition without any other chemical addition, or high energy radiation, to form covalent bond, with any polyamines.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 24, 2015
    Inventors: Xiaoying Zhu, Dominik Janczewski, Julius G. Vancso, Lay Ming Serena Teo, Chin Sing Lim, Siew Chen Serina Lee
  • Patent number: 8716420
    Abstract: An amphiphilic polymer (A) comprising repeat units of the general formulae (I), (II) and (III): or salts thereof, wherein R1 is H or methyl, R2 is an aliphatic moiety with a main chain of 3 to 30 carbon atoms and 0 to 3 heteroatoms selected from the group N, O, S, Se and Si, and R3 is one of (i) an alicyclic moiety with a main chain of 5 to 80 carbon atoms and 0 to 30 heteroatoms (ii) a moiety —Z—R4 wherein R4 is an alicyclic moiety with a main chain of 5 to 80 carbon atoms and 0 to 30 heteroatoms and Z is an aliphatic bridge of 1 to 3 carbon atoms and 0 to 2 heteroatoms, (iii) an aliphatic moiety with a main chain of 3 to 80 carbon atoms and 0 to about 30, and a C?C group or an azido group.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: May 6, 2014
    Assignee: Agency for Science, Technology and Research
    Inventors: Dominik Janczewski, Nikodem Tomczak, Ming-Yong Han, G. Julius Vancso
  • Publication number: 20120107800
    Abstract: The invention generally refers to a cell-targeting nanoparticle, wherein the cell-targeting nanoparticle is directly conjugated to at least one cysteine-containing peptide, wherein the cysteine-containing peptide is selected from the group consisting of glutathione (GSM, a GSH-containing peptide, and a peptide comprising a nuclear localization signal (NLS) sequence and a transporter sequence, and methods of using the cell-targeting nanoparticle.
    Type: Application
    Filed: September 19, 2011
    Publication date: May 3, 2012
    Inventors: Tamil Selvan SUBRAMANIAN, Padmanabhan Parasuraman, Dominik Janczewski, Kishore K. Bhakoo
  • Publication number: 20110278503
    Abstract: The invention relates to an amphiphilic polymer (A) comprising repeat units of the general formulae (I), (II) and (III): or salts thereof, wherein the repeat unit of general formula (I) is comprised in the amphiphilic polymer with a number of m units, the repeat unit of general formula (II) is comprised in the amphiphilic polymer with a number of o units and repeat unit of general formula (III) is comprised in the amphiphilic polymer with a number of p units, wherein each of m, o and p is an independently selected integer from about 3 to about 400 and wherein the sum of m+o+p is selected in the range from about 10 to about 10000, R1 in repeat units (I)-(III) is H or methyl, R2 in repeat unit (II) is an aliphatic moiety with a main chain of about 3 to about 30 carbon atoms and 0 to about 3 heteroatoms selected from the group N, O, S, Se and Si, and, R3 in repeat unit (III) is one of (i) an alicyclic moiety with a main chain of about 5 to about 80 carbon atoms and 0 to about 30 heteroatoms selected from the gro
    Type: Application
    Filed: October 12, 2009
    Publication date: November 17, 2011
    Applicant: Agency for Science,Technology and Research
    Inventors: Dominik Janczewski, Nikodem Tomczak, Ming-Yong Han, G. Julius Vancso
  • Publication number: 20100298504
    Abstract: Disclosed are an amphiphilic polymer, its synthesis and uses thereof. The polymer has a hydrocarbon backbone with —COOH side groups. It further has first aliphatic moieties with a main chain of about 3 to about 20 carbon atoms and 0 to about 3 heteroatoms, and second aliphatic moieties that have a main chain of about 3 to about 80 carbon atoms and about 2 to about 40 heteroatoms. The second aliphatic moieties have a copolymerisable group. In the synthesis a maleic anhydride polymer of formula (I) where n is an integer from about 10 to about 10000 and R1 is H or methyl, is reacted with a monofunctional compound with an alkyl chain of about 3 to about 20 carbon atoms and 0 to about 2 heteroatoms, and with an at least bifunctional compound with an alkyl chain of about 3 to about 80 carbon atoms and 0 to about 40 heteroatoms. The functional group of the monofunctional compound and one functional group of the at least bifunctional compound can form a linkage with an anhydride.
    Type: Application
    Filed: September 19, 2008
    Publication date: November 25, 2010
    Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Dominik Janczewski, Nikodem Tomczak, Yin Win Khin, Mingyong Han, Julius Vancso