Patents Assigned to C Sixty Inc.
  • Substituted fullerene compositions and their use as antioxidants
    Patent number: 7163956
    Abstract: This patent discloses a substituted fullerenes, compositions comprising the same, and their use as antioxidants. The substituted fullerenes comprise a fullerene core (Cn) and at least one of: (i) from 1 to 6 (>CX1X2) groups bonded to the fullerene core; (ii) from 1 to 18 —X3 groups bonded to the fullerene core; (iii) from 1 to 6 —X4— groups bonded to the fullerene core; or (iv) from 1 to 6 dendrons bonded to the fullerene core.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: January 16, 2007
    Assignee: C Sixty Inc.
    Inventors: Stephen R. Wilson, Yi-Zhen Hu, Tong Zhu, Russ Lebovitz
  • Use of buckysome or carbon nanotube for drug delivery
    Patent number: 7070810
    Abstract: Compositions and methods for administering a therapeutic agent to a mammal are disclosed. The compositions comprise either (i) vesicles comprising an amphiphilic substituted fullerene, wherein the therapeutic agent is present in the vesicle interior or between layers of the vesicle wall, (ii) a substituted fullerene, comprising a fullerene core and a functional moiety, wherein the therapeutic agent is associated with the substituted fullerene, or (iii) carbon nanotubes, wherein the therapeutic agent is covalently bonded to the carbon nanotubes.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: July 4, 2006
    Assignee: C Sixty Inc.
    Inventors: Andreas Hirsch, Uri Sagman, Stephen R. Wilson
  • Method of synthesis of water soluble fullerene polyacids using a macrocyclic malonate reactant
    Patent number: 6538153
    Abstract: A method for synthesizing compounds of the formula where C60 is a C60 fullerene.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: March 25, 2003
    Assignee: C Sixty Inc.
    Inventors: Andreas Hirsch, Uwe Reuther