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:
May. 11, 2021
Filed:
Jul. 03, 2017
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Kaj Backfolk, Villmanstrand, FI;
Isto Heiskanen, Imatra, FI;
Esa Saukkonen, Lappeenranta, FI;
Kirsi Partti-Pellinen, Imatra, FI;
Simo Siitonen, Rautjärvi, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 11/00 (2006.01); D21H 17/28 (2006.01); D21H 21/36 (2006.01); D21H 21/56 (2006.01); D21H 19/22 (2006.01);
U.S. Cl.
CPC ...
D21F 11/002 (2013.01); D21H 17/28 (2013.01); D21H 21/36 (2013.01); D21H 21/56 (2013.01); D21H 19/22 (2013.01);
Abstract
The present invention relates to a new process for creating foam in a process for manufacturing a paper or board product. According to the present invention, certain types of antimicrobial starch is used in the creation of the foam.