Patents by Inventor John KLASSEN

John KLASSEN 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: 20240151727
    Abstract: Provided herein are an ?2-3 disialylated PSA protein standard and an ?2-6 disialylated PSA protein standard, as well as various methods for measuring the relative (fractional) amount of the total N-acetylneuraminic acid (Neu5Ac) that is ?2-3-linked N-acetylneuraminic acid (?2-3-linked Neu5Ac) and is ?2-6-linked N-acetylneuraminic acid (?2-6-linked Neu5Ac) on PSA present in a blood serum or plasma sample, which is useful for determining whether a subject has a low risk (GG1), intermediate risk (GG2) or a high risk (GG3, 4 or 5) prostate cancer and/or determining and/or treating whether a human subject suspected of having prostate cancer should receive a needle biopsy. Also included are methods of monitoring and treating a prostate cancer patient post prostate cancer removal surgery for need of additional cancer treatment.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 9, 2024
    Applicant: HIGH DEVELOPMENT LIMITED
    Inventors: John Klassen, Zhixiong Li
  • Publication number: 20180296679
    Abstract: The present application provides pharmaceutical compositions comprising polyanionic and polynon-ionic cyclodextrin-based dendrimers. The compositions can be used as excipients, or to bind to compounds such as in the use as a rescue medicine to remove undesired drugs and metabolites from a subject Methods of use in treating a subject are also provided.
    Type: Application
    Filed: December 2, 2015
    Publication date: October 18, 2018
    Inventors: Chang-Chun LING, Ping ZHANG, Aixia WANG, John KLASSEN, Emma-Dune LERICHE
  • Publication number: 20180280537
    Abstract: The present application provides a multifunctional cyclodextrin dendrimer of the formula comprising at least one anionic residue and at least one non-ionic residue bound to the cyclodextrin ring structure, and methods of their manufacture. The multifunctional cyclodextrin dendrimer as described herein can be used for drug delivery.
    Type: Application
    Filed: October 7, 2016
    Publication date: October 4, 2018
    Inventors: Chang-Chun LING, John KLASSEN, Emma-Dune LERICHE, Ping ZHANG, Aixia WANG