Patents by Inventor Alexandr Mikhailovich Efremov

Alexandr Mikhailovich Efremov 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).

  • Thermochromic material
    Patent number: 7304008
    Abstract: Thermochromic material comprising a thermochromic component and a binder, wherein the thermochromic component is crystal phases based on oxides of heavy metals of I, II, III, IV, V, VI, VII, VIII groups of the Periodic System selected from the group consisting of compounds of the following general formulae: (i) (Bi2O3)1-z(MxOy)z where z=0–0.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: December 4, 2007
    Assignee: Eurokera
    Inventors: Anna Vasilievna Belykh, Alexandr Mikhailovich Efremov, Mikhail Dmitrievich Mikhailov
  • Thermochromic material
    Publication number: 20040182284
    Abstract: Thermochromic material comprising a thermochromic component and a binder, wherein the thermochromic component is crystal phases based on oxides of heavy metals of I, II, III, IV, V, VI, VII, VIII groups of the Periodic System selected from the group consisting of compounds of the following general formulae:
    Type: Application
    Filed: May 17, 2004
    Publication date: September 23, 2004
    Inventors: Anna Vasilievna Belykh, Alexandr Mikhailovich Efremov, Mikhail Dmitrievich Mikhailov