Block copolymers for stable micelles

• US 9,944,754 B2
• Filed: 09/28/2016
• Issued: 04/17/2018
• Est. Priority Date: 04/11/2012
• Status: Active Grant

• Current Assignee: Intezyne Technologies
• Original Assignee: Intezyne Technologies
• Inventors: Sill, Kevin, Semple, Joseph Edward, Vojkovsky, Tomas
• Primary Examiner(s): Fubara, Blessing M
• Application Number:
  US15/279,017
• Publication Number:
  US 20170240703A1
• Time in Patent Office: 566 Days
• CPC Class Codes: A61K 31/337 having four-membered rings, e.g. taxol
• CPC Class Codes: A61K 31/427 not condensed and containing further heterocyclic rings
• CPC Class Codes: A61K 31/4745 condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenantrolines yohimbine derivatives, vinblastine A61K31/475; ergoline derivatives A61K31/48
• CPC Class Codes: A61K 31/475 having an indole ring, e.g. yohimbine, reserpine, strychnine, vinblastine vincamine A61K31/4375
• CPC Class Codes: A61K 31/704 attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin digitoxin A61K31/7048
• CPC Class Codes: A61K 47/34 Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers A61K47/10 takes precedence
• CPC Class Codes: A61K 47/60 the organic macromolecular compound being a polyoxyalkylene oligomer, polymer or dendrimer, e.g. PEG, PPG, PEO or polyglycerol
• CPC Class Codes: A61K 47/645 Polycationic or polyanionic oligopeptides, polypeptides or polyamino acids, e.g. polylysine, polyarginine, polyglutamic acid or peptide TAT
• CPC Class Codes: A61K 47/6907 the form being a microemulsion, nanoemulsion or micelle
• CPC Class Codes: A61K 9/1075 Microemulsions or submicron emulsions; Preconcentrates or solids thereof; Micelles, e.g. made of phospholipids or block copolymers A61K9/0026 takes precedence
• CPC Class Codes: A61P 31/04 Antibacterial agents
• CPC Class Codes: A61P 35/00 Antineoplastic agents
• CPC Class Codes: A61P 35/02 specific for leukemia
• CPC Class Codes: A61P 43/00 Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• CPC Class Codes: C08F 283/06 on to polyethers, polyoxymethylenes or polyacetals C08F283/004 takes precedence
• CPC Class Codes: C08G 69/10 Alpha-amino-carboxylic acids polysuccinimides C08G73/1092
• CPC Class Codes: C08G 69/40 Polyamides containing oxygen in the form of ether groups C08G69/12, C08G69/32 take precedence
• CPC Class Codes: Y02A 50/30 Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The present invention relates to the field of polymer chemistry and more particularly to multiblock copolymers and micelles comprising the same. Compositions herein are useful for drug-delivery applications.

Claims

1. A triblock copolymer of the following structure:

2. The triblock copolymer of claim 1, wherein R^y is a mixture of leucine and tyrosine side chain groups.

3. The triblock copolymer of claim 1, wherein R^y is a mixture of phenylalanine and tyrosine side chain groups.

4. The triblock copolymer of claim 1, wherein R^y is a mixture of leucine, aspartic acid, and tyrosine side chain groups.

5. The triblock copolymer of claim 1, wherein R^y is a mixture of phenylalanine, aspartic acid, and tyrosine side chain groups.

6. The triblock copolymer of claim 1, of the following structure:

7. The triblock copolymer of claim 1, of the following structure:

8. The triblock copolymer of claim 1, of the following structure: