The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 07, 2023
Filed:
Dec. 28, 2020
Ali Dhinojwaqla, Akron, OH (US);
K Zin Htut, Yangon, MM;
Saranshu Singla, Sangrur, IN;
Runyao Zhu, Changchun, CN;
Christopher Maurer, Cleveland, OH (US);
Ali Dhinojwaqla, Akron, OH (US);
K Zin Htut, Yangon, MM;
Saranshu Singla, Sangrur, IN;
Runyao Zhu, Changchun, CN;
Christopher Maurer, Cleveland, OH (US);
The University of Akron, Akron, OH (US);
Abstract
In various embodiments, the present invention is directed to a melanin composition extracted from black knot fungus () using an acid-base extraction technique. In one or more embodiments, the melanin composition is extracted from the black outer layer of a black knot fungus by obtaining a powder including a black outer part of one or more black knot fungus, adding a quantity of an aqueous solution comprising one or more base, heating the mixture to solubilize a melanin in the aqueous solution to form a black alkaline supernatant containing said melanin, adding one or more acids to said black alkaline supernatant until the melanin precipitates out of said black alkaline supernatant, said melanin precipitate further comprising proteins, carbohydrates, and lipids; collecting the melanin precipitate and adding one or more acids to hydrolyze some or all of said proteins, carbohydrates, and lipids and produce the melanin composition.