Patents by Inventor George R. Newkome

George R. Newkome 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: 5422379
    Abstract: Unimolecular micelles, generally referred to as cascade polymers, are constructed via the addition of successive layers, or tiers, of designed monomers, or building blocks, that possess a predetermined, branched superstructure consisting of connected physical matter inherently defining an internal void volume or void area within the molecular framework. Each of the branches define a flexible arm from a central core atom and terminate with a hydrodynamic reactive group. A method is described for manipulating such cascade polymers.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: June 6, 1995
    Assignee: University of South Florida
    Inventors: George R. Newkome, Charles N. Moorefield
  • Patent number: 5376690
    Abstract: Unimolecular micelles, generally referred to as cascade polymers, are constructed via the addition of successive layers, or tiers, of designed monomers, or building blocks, that possess a predetermined, branched superstructure consisting of connected physical matter inherently defining an internal void volume or void area within the molecular framework. Reactive sites located on the framework and hence within the void regions are capable of being chemically transformed to allow covalent and noncovalent incorporation of one or more guest species into the said void regions. Further, a method is described for making such cascade polymers that includes the steps of forming a unimolecular micelle containing internal void areas with accessible reactive sites capable of bonding to at least one guest after construction of the said unimolecular micelle. The guests are contained within the internal void volume of the cascade polymer and are available and accessible for additional chemical modification.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: December 27, 1994
    Assignee: University of South Florida
    Inventors: George R. Newkome, Charles N. Moorefield
  • Patent number: 5210309
    Abstract: The bis-homotris compounds 4-amino-4-[1-(3-hydroxy-propyl)]-1,7-heptanediol and 4-[1-(3-aminopropyl)]-4-[1-(3-hydroxypropyl)]-1, 7-heptanediol, and organic synthetic methods for their preparation are described. Unique multifunctional aminotriols, as well as their percursors, quaternary nitroalkanes are disclosed as building blocks for unimolecular micelles, as well as new series of cascade polymers. The quaternary nitro compounds which are disclosed allow the synthesis of a new aminotriol containing a quaternary carbon.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: May 11, 1993
    Assignee: University of South Florida
    Inventors: George R. Newkome, Charles N. Moorefield
  • Patent number: 5206410
    Abstract: The bis-homotris compounds 4-amino-4-[1-(3-hydroxypropyl)]-1,7-heptanediol and 4-[1-(3-aminopropyl)]-4-[1-(3-hydroxypropyl)]-1, 7-heptanediol, and organic synthetic methods for their preparation are described. Unique multifunctional aminotriols, as well as their percursors, quaternary nitroalkanes are disclosed as building blocks for unimolecular micelles, as well as new series of cascade polymers. The quaternary nitro compounds which are disclosed allow the synthesis of a new aminotriol containing a quaternary carbon.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: April 27, 1993
    Assignee: University of South Florida
    Inventors: George R. Newkome, Charles N. Moorefield
  • Patent number: 5154853
    Abstract: In accordance with the present invention there is provided a method of making a cascade polymer including the steps of alkylating the branches of a multi-branch core alkyne building block including multiple ether side chains and simultaneously reducing the alkyne triple bonds and deprotecting to form a multi-hydroxyl terminated, multi-branched all alkyl polymer. The inventive method results in the formation of a unimolecular micelle consisting essentially of alkyl carbon.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: October 13, 1992
    Assignee: University of South Florida
    Inventors: George R. Newkome, Charles Moorefield
  • Patent number: 5136096
    Abstract: The bis-homotris compounds 4-amino-4-[1-(3-hydroxypropyl)]-1,7-heptanediol and 4-[1-(3-aminopropyl)]-4-[1-(3-hydroxypropyl)]-1, 7-heptanediol, and organic synthetic methods for their preparation are described. Unique multifunctional aminotriols, as well as their percursors, quaternary nitroalkanes are disclosed as building blocks for unimolecular micelles, as well as new series of cascade polymers. The quaternary nitro compounds which are disclosed allow the synthesis of a new aminotriol containing a quaternary carbon.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: August 4, 1992
    Assignee: University of South Florida
    Inventors: George R. Newkome, Charles N. Moorefield
  • Patent number: 4598073
    Abstract: The invention relates to novel palladium complexes of the formulae: ##STR1## wherein: n is 0 or 1,R.sub.1, R.sub.2, R.sub.3, R.sub.4 are lower alkyl groups, fluoro substituted lower alkyl groups, or (lower) alkyl, or ##STR2## X is a monovalent anionic ligand, and Z is O, S, P or NR.sub.1,and anti-tumor pharmaceutical compositions and therapeutic methods of treating tumors employing the palladium complexes.
    Type: Grant
    Filed: July 29, 1983
    Date of Patent: July 1, 1986
    Assignee: Research Corporation
    Inventor: George R. Newkome