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Top 10 New Entrants companies in Diesel exhaust fluid
by Most Patent Filing In 1 Year in the world in 2020

The Diesel exhaust fluid top 10 is Discovery PatSnap’ annual ranking of the top 10 Most Patent Filing In 1 Year Diesel exhaust fluid New Entrants in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Diesel exhaust fluid (DEF) is an aqueous urea solution made with 32.5% urea and 67.5% deionized water. It is standardised as AUS 32 (aqueous urea solution) in ISO 22241. DEF is a consumable in selective catalytic reduction (SCR) that lowers NOₓ concentration in the diesel exhaust emissions from diesel engines.
#
Company Name
Region
Tech Topics
Total
1
Île-de-France, France
Patent: 2
2
Acustrip Co, Inc.
New Jersey, United States
Patent: 1
3
Wisconsin, United States
Patent: 1
4
South Korea
Patent: 1
5
Jiangsu Sheng, China
Patent: 1
6
Emcee Electronics, Inc.
Patent: 1
7
United Kingdom
Patent: 1
8
Syddanmark, Denmark
Patent: 1
9
China
Patent: 1
10
New York, United States
Patent: 1
Page generation time: May 11 2025