Patents by Inventor Michael J. Michalczyk

Michael J. Michalczyk 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).

  • Single component inorganic/organic network materials and precursors thereof
    Patent number: 5548051
    Abstract: Single component inorganic/organic network materials incorporating the physical properties of glasses with the flexibility of organic materials of empirical formula X(SiO.sub.1.5).sub.n wherein X is one or more flexible organic linkages and n is greater than or equal to 2, as well as precursors thereof, are disclosed.
    Type: Grant
    Filed: August 7, 1995
    Date of Patent: August 20, 1996
    Assignee: E. I Du Pont de Nemours and Company
    Inventors: Michael J. Michalczyk, Kenneth G. Sharp
  • Single component inorganic/organic network materials and precursors thereof
    Patent number: 5378790
    Abstract: Single component inorganic/organic network materials incorporating the physical properties of glasses with the flexibility of organic materials of empirical formula X(SiO.sub.1.5).sub.n wherein X is one or more flexible organic linkages and n is greater than or equal to 2, as well as precursors thereof, are disclosed.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: January 3, 1995
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventors: Michael J. Michalczyk, Kenneth G. Sharp
  • Silicon carbide precursors
    Patent number: 5300614
    Abstract: Chloromethyltrichlorosilane is converted to polychlorocarbosilane and in turn to a polycarbosilane polymer that has utility as a precursor to silicon carbide ceramics.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: April 5, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Michael J. Michalczyk
  • Silicon carbide precursors and their preparation and use
    Patent number: 5270429
    Abstract: (Dichloromethyl)methyldichlorosilane is reacted in the presence of Mg, K, Na or Li to form chloropolycarbosilanes which in turn can be reacted with a reducing agent to form polycarbosilane polymers that have utility as precursors to silicon carbide ceramics.
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: December 14, 1993
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Michael J. Michalczyk
  • Silicon carbide precursors
    Patent number: 5202405
    Abstract: Chloromethyltrichlorosilane is converted to polychlorocarbosilane and in turn to a polycarbosilane polymer that has utility as a precursor to silicon carbide ceramics.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: April 13, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Michael J. Michalczyk