Dispenser and method of use thereof

US11944096B2 · kind B2 · utility

Assignee

• S. C. JOHNSON & SON, INC. · US

Inventors

• Calistor Nyambo · Sturtevant, US
• Max Krakauer · Bay View, US
• Caitlin Y. O'Gara · Milwaukee, US
• Todd Ulrich · Racine, US
• Dirk K. Nickel · Mukwonago, US

Key dates

• Filing date: Dec 4, 2020
• Grant date: Apr 2, 2024
• Expiry date: Oct 5, 2041

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01M1/2044
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A system for consistently emitting a volatile material, the system including a dispenser having at least one aperture, a substrate adapted to fit within the dispenser, and a volatile material. The substrate includes a first woven layer having a first pore size, a second woven layer having a second pore size, and a third, non-woven layer that extends between the first woven layer and the second woven layer. Further, the system has a steady state weight loss of the volatile material over a time greater than 30 days.