Patents by Inventor Robert Osmalov

Robert Osmalov 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).

  • Process for finishing a nonwoven film-fibril sheet
    Patent number: 4069078
    Abstract: There is disclosed a finishing process for preparing a bonded, nonwoven, polyethylene, film-fibril sheet having high delamination strength and uniformity of appearance comprising selecting a particular starting sheet which is lightly consolidated, embossing the lightly consolidated sheet in a particular manner, passing the resulting sheet, under restraint, through a heating zone to cause a specified amount of fusion of surface film-fibrils, and heat treating the other surface of the sheet similarly to obtain a bonded sheet having a specified opacity.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: January 17, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Milton David Marder, Robert Osmalov, Gerald P. Pfeiffer