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. 12, 2026
Filed:
Aug. 18, 2023
Applicant:
Ahlstrom Oyj, Espoo, FI;
Inventors:
Lucie Boiron, Saint Egreve, FR;
Thierry Mayade, Village du Lac de Paladru, FR;
Assignee:
AHLSTROM OYJ, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B 3/52 (2006.01); D21H 13/26 (2006.01); D21H 13/40 (2006.01); D21H 17/07 (2006.01); D21H 27/00 (2006.01); H01B 19/02 (2006.01);
U.S. Cl.
CPC ...
H01B 3/52 (2013.01); D21H 13/26 (2013.01); D21H 13/40 (2013.01); D21H 17/07 (2013.01); D21H 27/00 (2013.01); H01B 19/02 (2013.01);
Abstract
This disclosure relates to an electrical insulation paper comprising at least 25% content by weight of cellulose fibers based on the total weight of the electrical insulation paper, 8% content by weight of synthetic fibers based on the total weight of the electrical insulation paper, and a thermal stabilizer comprising nitrogen, wherein a content by weight of the nitrogen constitutes between 1% and 4% of the content by weight of the cellulose fibers.