Method for preparing flavorful compounds isolated from black liquor and products… Grant US-11154087-B2 United States of America 26 Oct 2021
Method for preparing black liquor and method for preparing flavor component-containing… Grant US-10851494-B2 United States of America 01 Dec 2020
METHOD FOR PREPARING BLACK LIQUOR AND METHOD FOR PREPARING FLAVOR COMPONENT-CONTAINING… Application US-20150292152-A1 United States of America 15 Oct 2015