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:
Jan. 28, 2020
Filed:
Oct. 20, 2014
Applicant:
Queensland University of Technology, Queensland, AU;
Inventors:
Leslie Alan Edye, Queensland, AU;
Albert John Tietz, Queensland, AU;
Assignee:
QUEENSLAND UNIVERSITY OF TECHNOLOGY, Brisbane, Queensland, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/16 (2006.01); D21H 25/02 (2006.01); D21H 25/06 (2006.01); D21H 19/14 (2006.01); C09D 197/00 (2006.01); D21H 23/22 (2006.01);
U.S. Cl.
CPC ...
D21H 21/16 (2013.01); C09D 197/005 (2013.01); D21H 19/14 (2013.01); D21H 23/22 (2013.01); D21H 25/02 (2013.01); D21H 25/06 (2013.01);
Abstract
A method of forming a coating on a substrate is provided comprising forming a lignin solution by at least partially dissolving lignin in a solvent, coating the lignin solution onto the substrate and exposing the lignin coated substrate to a treatment selected from the group consisting of a heat treatment and an acid treatment. The coating provides for improved waterproofing and/or strengthening of the substrate.