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:
Dec. 10, 2019
Filed:
Mar. 17, 2015
Applicant:
Novvi Llc, Emeryville, CA (US);
Inventors:
Hyeok Hahn, Santa Clara, CA (US);
Jeffrey Brown, San Carlos, CA (US);
Paula Vettel, Downers Grove, IL (US);
Jason R Wells, Fremont, CA (US);
Assignee:
Novvi LLC, Emeryville, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/10 (2006.01); H01B 3/22 (2006.01); H01F 27/10 (2006.01); H01G 2/08 (2006.01); H01H 9/52 (2006.01); H05K 7/20 (2006.01); H01B 3/20 (2006.01); C08K 5/01 (2006.01);
U.S. Cl.
CPC ...
C09K 5/10 (2013.01); C08K 5/01 (2013.01); H01B 3/20 (2013.01); H01B 3/22 (2013.01); H01F 27/105 (2013.01); H01G 2/08 (2013.01); H01H 9/52 (2013.01); H05K 7/20927 (2013.01);
Abstract
A dielectric fluid and coolant for electrical apparatuses such as transformers. In one embodiment, the fluid contains more than 25% biobased base oil, such as a biobased hydrocarbon oil, which has a molecular weight greater than 300 g/mol and less than 595 g/mol. The biobased base oil may optionally be blended with other oils, such as mineral oils and vegetable oils.