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:
Feb. 24, 2026
Filed:
Jun. 21, 2022
Rohm and Haas Company, Collegeville, PA (US);
Dow Global Technologies Llc, Midland, MI (US);
Xiangyi Zhang, Phoenixville, PA (US);
John A. Roper, III, Midland, MI (US);
Andrew Hejl, Lansdale, PA (US);
Brian R. Einsla, Collegeville, PA (US);
Matthew Carter, Bala Cynwyd, PA (US);
Rohm and Haas Company, Collegeville, PA (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present invention relates to an article comprising a paper or paperboard substrate superposed with a film having a dry coat weight in the range of from 1 g/mto 20 g/m; wherein the film comprising a copolymer which comprises structural units of a vinyl ester, vinyl alcohol, and an acrylate monomer. The coating provides oil and grease resistance, mineral oil barrier performance, and heat sealability.