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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.:

US 11718806 B1

PDFFull Text
Date of Patent:
Aug. 08, 2023

Filed:

Sep. 10, 2018

Transformer oil basestock and transformer oil composition comprising the same

Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

Ronald R. Hill, Jr., Humble, TX (US);

Caterina T. H. Tran, Houston, TX (US);

Andrew P. Broenen, Houston, TX (US);

Shaival R. Mehta, Katy, TX (US);

Daniel X. Bien, Brussels, BE;

Assignee:

ExxonMobil Chemical Patents Inc., Baytown, TX (US);

Attorney:

ExxonMobil Technology and Engineering Company—Chemicals

Primary Examiner:

Latosha Hines

Int. Cl.
CPC ...
C10M 101/02 (2006.01); C10M 169/04 (2006.01); C09D 7/63 (2018.01); C09D 11/36 (2014.01); C09J 11/06 (2006.01); C09K 5/10 (2006.01); C09K 8/035 (2006.01); C10G 5/00 (2006.01); C10N 20/00 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/10 (2006.01); C10N 30/14 (2006.01); C10N 30/16 (2006.01); C10N 40/14 (2006.01);
U.S. Cl.
CPC ...
C10M 101/02 (2013.01); C09D 7/63 (2018.01); C09D 11/36 (2013.01); C09J 11/06 (2013.01); C09K 5/10 (2013.01); C09K 8/035 (2013.01); C10G 5/00 (2013.01); C10M 169/04 (2013.01); C10G 2300/1074 (2013.01); C10G 2300/301 (2013.01); C10G 2300/302 (2013.01); C10G 2300/304 (2013.01); C10G 2300/308 (2013.01); C10G 2400/30 (2013.01); C10M 2203/1045 (2013.01); C10M 2203/1065 (2013.01); C10M 2203/1085 (2013.01); C10M 2207/023 (2013.01); C10N 2020/015 (2020.05); C10N 2020/017 (2020.05); C10N 2030/02 (2013.01); C10N 2030/10 (2013.01); C10N 2030/14 (2013.01); C10N 2030/16 (2013.01); C10N 2030/28 (2020.05); C10N 2040/14 (2013.01);
Abstract

A transformer oil basestock is disclosed that includes at least 99 wt % of naphthenes and paraffins, based on the total weight of the transformer oil basestock, wherein the weight ratio of naphthenes to paraffins is at least 1, as measured by GC-MS, and wherein the paraffins consist essentially of isoparaffins, as determined by GC-FID. In addition, a transformer oil composition is disclosed that includes the transformer oil basestock, an anti-gassing agent and an antioxidant.

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