Process of treating yellowish or off-white materials to obtain a white appearance using umbelliferone or methyl umbelliferone

• 1. 一种4-甲基伞形酮富集材料及其用途 [P] . 中国专利： CN108948229B . 2021.08.06
• 2. 一种4-甲基伞形酮富集材料及其用途 [P] . 中国专利： CN108948229A . 2018-12-07
• 3. Treating articles, substances or materials of a yellowish or off-white tint so as to obtain a pure white appearance [P] . 英国专利： GB522672A . 1940-06-24

  机译： 处理淡黄色或灰白色的物品，物质或材料，以获得纯白色外观

• 4. The manufacturing method null 4 methyl umbelliferone [P] . 日本专利： JP3804102B2 . 2006-08-02

  机译： null 4甲基伞形酮的制造方法

• 5. Beta-methyl umbelliferone - for control of brucella infections in animals and prophylaxis in man [P] . 法国专利： FR2160780B1 . 1975-03-14

  机译： β-甲基伞形酮-用于控制动物布鲁氏菌感染和预防人类

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• 2. Evaluation of absorption and advanced oxidation processes to treat N-methyl-2-pyrrolidinone in an exhaust air stream. [D] . Striebig, Bradley Allen. 1996
• 3. Comparison of various techniques for the extraction of umbelliferone and herniarin in Matricaria chamomilla processing fractions [O] . Maja Molnar, Nikolina Mendešević, Drago Šubarić, 2017
• 4. Anticholesterolemic, Antitriglyceridemic and Antioxidative Activity Effect of Umbelliferone (Coumarin) in Streptozocin Treated Diabetic Rats [O] . K. R. Anjan Kumar, M. L. Satyanarayana, H. D. Narayanaswamy, 2020

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