Patents by Inventor Hrisanta Nicolaeva Budevska

Hrisanta Nicolaeva Budevska 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).

  • Method of making alkali battery separators
    Patent number: 3955014
    Abstract: A method of obtaining alkaline battery separators. Such method comprises ultraviolet irradiation in the presence of a sensitizer and oxygen contained in the air of low density polyethylene film at ambient temperature and normal pressure to effect cross-linking and subsequently graft polymerizing an ethylenically unsaturated carboxylic acid monomer into the irradiated film under the action of heat and compression of the film.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: May 4, 1976
    Assignee: Zlehit pri Ban
    Inventors: Rafail Velislavov Mostev, Hrisanta Nicolaeva Budevska, Latinca Tantilova Ivanova