Melitta Klein, FR686019A
Procédé de Saponification des Esters Acétiques de la Cellulose.
Image credit: Klein, M.(1929)
On July 21, 1930, Melitta Klein, a Slovakian-born physician residing in Austria, devised and patented a novel method for esterifying organic compounds to enhance the flavor and shelf life of commercial soup.
Date of Application: 4 March 1929
Date of Issuance: 21 July 1930
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Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.