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. 11, 2026
Filed:
Jan. 21, 2021
Applicant:
Brightplus Oy, Oulu, FI;
Inventors:
Maiju Hietala, Oulu, FI;
Rauna-Leena Kuvaja, Oulu, FI;
Admir Hadzic, Oulu, FI;
Tuire Marin, Oulu, FI;
Jarkko Leivo, Oulu, FI;
Assignee:
Brightplus Oy, Oulu, FI;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 19/32 (2006.01); D21H 19/72 (2006.01); D21H 23/50 (2006.01); D21H 25/04 (2006.01); D21H 27/10 (2006.01);
U.S. Cl.
CPC ...
D21H 19/32 (2013.01); D21H 19/72 (2013.01); D21H 23/50 (2013.01); D21H 25/04 (2013.01); D21H 27/10 (2013.01);
Abstract
The present invention concerns a packaging material having a coating made of a biopolymer composition. In addition, the invention concerns a method for providing barrier properties for a packaging material by using the above mention composition. In particular, the present invention concerns coating of a porous material with a composition comprising a biopolymer formed by the reaction product of biodegradable polyester and siloxane precursor.