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:
Sep. 23, 2025
Filed:
May. 06, 2020
North Carolina State University, Raleigh, NC (US);
Eastman Chemical Company, Kingsport, TN (US);
Emily Facchine, Raleigh, NC (US);
Saad A. Khan, Raleigh, NC (US);
Orlando Rojas, Vancouver, CA;
Richard J. Spontak, Raleigh, NC (US);
Soo Ah Jin, Cary, NC (US);
Koushik Ghosh, Albuquerque, NM (US);
North Carolina State University, Raleigh, NC (US);
Eastman Chemical Company, Kingsport, TN (US);
Abstract
Suspensions can include a polar solvent, sulfonated polyester material dispersed in the polar solvent, and cellulose nanofibril material dispersed in the polar solvent. Suspensions disclosed and contemplated herein leverage polyester that can be used to independently control film formation and rheology. In some instances, polyesters used in suspensions disclosed herein can perform the role of two additives: aqueous thickener and film reinforcement.