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:
Mar. 02, 2021
Filed:
Jul. 21, 2014
Applicant:
Abb Power Grids Switzerland Ag, Baden, CH;
Inventors:
Leif Hakman, Oskarshamn, SE;
Torbjorn Brattberg, Oskarshamn, SE;
Anna Wahlberg, Stockholm, SE;
Lars Schmidt, Oskarshamn, SE;
Assignee:
ABB Power Grids Switzerland AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/52 (2006.01); C08L 1/02 (2006.01); C08L 67/04 (2006.01); D21H 17/53 (2006.01); D21H 21/14 (2006.01); D21H 27/00 (2006.01); H01F 41/00 (2006.01); C08K 5/01 (2006.01);
U.S. Cl.
CPC ...
H01B 3/52 (2013.01); C08L 1/02 (2013.01); C08L 67/04 (2013.01); D21H 17/53 (2013.01); D21H 21/14 (2013.01); D21H 27/00 (2013.01); H01F 41/005 (2013.01); C08K 5/01 (2013.01); Y10T 428/31993 (2015.04);
Abstract
An electrical device including a cellulose based electrically insulating composite material in the form of a paper or pressboard, the composite material having cellulose fibres; and an electrically insulating thermoplastic polymer material; wherein the polymer material is arranged around and between the cellulose fibres, and binds the fibres to each other.