Patents by Inventor Wassily W. Poppe

Wassily W. Poppe 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).

  • Dyeable polypropylene containing bisulfate
    Patent number: 4055608
    Abstract: Polypropylene compositions comprising resinous polymer of propylene, thermoplastic polymer containing amino groups and alkali metal bisulfate.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: October 25, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Wassily W. Poppe, Mark D. Inskeep
  • Polyoxyethylene alkyl ether additives in impact resistant compositions of polypropylene
    Patent number: 4048131
    Abstract: When incorporated into formulations, polyoxyethylene alkyl ether derivatives both increase the impact resistance and the flow rate of polypropylene compositions.
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: September 13, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Robert G. Keske, Wassily W. Poppe, Ivor R. Fielding
  • Use of organometallic salts and metal deactivators as flame retardants for polyolefins
    Patent number: 4035325
    Abstract: The effectiveness of combinations comprising an antimony compound and a halogen-containing compound for reducing the flammability of polyolefins is increased significantly by the addition of certain organometallic compounds and/or compounds which are used as metal deactivators and which contain the chemical structure of either a substituted hydrazine or a substituted 3-amino-1,2,4-triazole amide.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: July 12, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Wassily W. Poppe, Ivor R. Fielding