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:
Aug. 19, 2025
Filed:
Aug. 16, 2019
The University of Massachusetts, Boston, MA (US);
The Government of the United States, As Represented BY the Secretary of the Army, Natick, MA (US);
Ramaswamy Nagarajan, Westford, MA (US);
Jayant Kumar, Westford, MA (US);
Ravi Mosurkal, Lowell, MA (US);
Zhiyu Xia, Shrewsbury, MA (US);
Shiran Yu, Lowell, MA (US);
Weeradech Kiratitanavit, Boston, MA (US);
US GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARMY, Natick, MA (US);
THE UNIVERSITY OF MASSACHUSETTS, Boston, MA (US);
Abstract
A synergistic flame retardant composition comprising a phenolic compound comprising condensed tannin, hydrolysable tannin, lignin, cardanol, quercetin, catechin, epicatechin, anthocyanidin, catechol, dopamine, hydroxytyrosol, adrenaline, 4-hydroxyphenylacetic acid, gallic acid, digallic acid, methyl gallate, ellagic acid, phloroglucinol, hexahydroxydiphenic acid, luteic acid, casuarictin, or a combination thereof; and a phosphorus-containing compound comprising a Ccarbocyclic polyol substituted with at least one phosphate group.