Patents by Inventor DARAMIC LLC

DARAMIC LLC 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).

  • BATTERY SEPARATOR FOR A STORAGE BATTERY
    Publication number: 20130164596
    Abstract: A battery separator for a lead acid (storage) battery is made from a thermoplastic sheet material. The sheet material has a central region flanked by peripheral regions. The central region includes a plurality of longitudinally extending ribs that are integrally formed from the sheet material. The peripheral regions are free of ribs and may include a densified structure. Also disclosed are a method of producing the foregoing separator, an envelope separator made from the sheet material, and a method of making the envelope separator.
    Type: Application
    Filed: February 21, 2013
    Publication date: June 27, 2013
    Applicant: DARAMIC LLC
    Inventor: DARAMIC LLC