An aerosol spray is a dispensing system that creates a mist of fine liquid particles from a pressurized container holding a product payload and a propellant, releasing its contents through a small opening when the valve is pressed. The Norwegian engineer Erik Rotheim patented the first aerosol spray can in Oslo in 1927, received a United States patent in 1931, and later sold the rights to an American company for 100,000 Norwegian kroner; Julian S. Kahn patented a disposable spray can concept in 1939 that went largely undeveloped. The practical aerosol can emerged in 1941, when the American researchers Lyle Goodhue and William Sullivan of the U.S. Bureau of Entomology and Plant Quarantine built a refillable steel can pressurized to 75 pounds per square inch, nicknamed the bug bomb, to protect soldiers from malaria-carrying mosquitoes in the Pacific theater of the Second World War.
Facts
SignificanceThe aerosol spray dispenser uses a pressurized propellant to force a liquid payload out of a can as a fine mist, letting products from insecticides to paints, deodorants and food items be applied evenly without direct contact. Erik Rotheim's 1927 patent gave way to Lyle Goodhue and William Sullivan's 1941 practical insecticide spray can, and the format became one of the most widely used in twentieth-century packaging. 1 Partially Attested
Patent or First-Use DateYear-only precision. The source states the first aerosol spray can patent was granted in Oslo in 1927 to Erik Rotheim, with a corresponding United States patent granted in 1931. No exact day or month for the 1927 Norwegian grant is given by this source. FAQs
Who invented the modern aerosol spray can?
Lyle Goodhue and William Sullivan, in 1941.
The modern spray can is credited to the Americans Lyle Goodhue and William Sullivan of the United States Bureau of Entomology and Plant Quarantine, who first put the aerosol can to effective use in 1941. Their refillable design, dubbed the aerosol bomb or bug bomb, is the ancestor of many commercial spray products.
Sources
1. Aerosol Spray (Wikipedia)
Wikimedia FoundationHistory section
The first aerosol spray can patent was granted in Oslo in 1927 to Erik Rotheim, a Norwegian chemical engineer, and a United States patent was granted for the invention in 1931.
Lead section
Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles. It comprises a can or bottle that contains a payload, and a propellant under pressure.
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