The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Aug. 11, 2025
The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);
Eric G. Ruzicka, Neenah, WI (US);
Hunter O. Ford, Falls Church, VA (US);
Brian L. Chaloux, Alexandria, VA (US);
Megan B. Sassin, Honolulu, HI (US);
Jeffrey W. Long, Alexandria, VA (US);
Debra R. Rolison, Arlington, VA (US);
Abstract
Disclosed herein are materials for use in battery separators. They include copolymers of a divinylbenzene and one or both of the monomers below (non-linked and linked). R is an n-alkylene group, and n is a positive integer. The copolymer made be made from tertiary amine monomers that are converted to quaternary amines. One battery includes a zinc anode, a silver cathode, and a tri-layer separator. The inner layer uses the linked monomer, and the outer layers use the non-linked monomer.