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:
Nov. 19, 2024
Filed:
Dec. 04, 2019
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Isto Heiskanen, Imatra, FI;
Mari Hiltunen, Imatra, FI;
Nina Ruohoniemi, Imatra, FI;
Titta Lammi, Imatra, FI;
Ville Ribu, Lappeenranta, FI;
Tim Lindfors, Imatra, FI;
Jari Räsänen, Imatra, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 1/00 (2006.01); B29C 64/118 (2017.01); B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C08B 30/10 (2006.01); C08B 31/00 (2006.01); B29K 1/00 (2006.01);
U.S. Cl.
CPC ...
C08B 1/003 (2013.01); B29C 64/118 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C08B 30/10 (2013.01); C08B 31/00 (2013.01); B29K 2001/00 (2013.01); B29K 2003/00 (2013.01);
Abstract
The present invention relates to a web of fibrous cellulosic material derived from wood pulp, said web being suitable for three-dimensional moulding to form a packaging product, wherein the web comprises >40 wt % of soft wood chemical pulp and at least one strength enhancement agent, wherein the web has a grammage less than 400 g/m, and wherein the cellulose fibers of said soft wood chemical pulp comprise a fiber curl of >9%.