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. 30, 2023
Filed:
Jun. 14, 2021
Applicant:
Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;
Inventors:
Riku Pihko, Espoo, FI;
Vesa Kunnari, Espoo, FI;
Assignee:
Teknologian tutkimuskeskus VTT Oy, Espoo, FI;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/18 (2006.01); D21F 7/12 (2006.01); B29C 41/28 (2006.01); B29C 41/46 (2006.01); B29D 7/01 (2006.01); B32B 5/26 (2006.01); D21F 7/08 (2006.01); D21F 11/04 (2006.01); D21H 27/10 (2006.01); D21H 27/38 (2006.01); B29K 1/00 (2006.01); B29K 105/12 (2006.01);
U.S. Cl.
CPC ...
D21F 7/12 (2013.01); B29C 41/28 (2013.01); B29C 41/46 (2013.01); B29D 7/01 (2013.01); B32B 5/26 (2013.01); D21F 7/083 (2013.01); D21F 11/04 (2013.01); D21H 11/18 (2013.01); D21H 27/10 (2013.01); D21H 27/38 (2013.01); B29K 2001/00 (2013.01); B29K 2105/124 (2013.01); B32B 2262/106 (2013.01);
Abstract
According to an example aspect of the present invention, there is provided a cost-effective method of producing cellulose based films by introducing an intense water removal system to the process, and cellulose based films thereof having improved properties.