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Top 20 New Entrants companies in Diesel exhaust fluid
by Most Patent Filing In 3 Years in the world in 2020

The Diesel exhaust fluid top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filing In 3 Years 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
Barbados
Patent: 6
2
Patent: 4
3
Patent: 4
4
Patent: 3
5
Île-de-France, France
Patent: 2
6
Patent: 1
7
Patent: 1
8
Jiangsu Sheng, China
Patent: 1
9
Karnataka, India
Patent: 1
10
Fast-moving consumer goods,Fuel filter,Funnel,
...[+1]
Patent: 1
11
Hordaland, Norway
Patent: 1
12
Acustrip Co, Inc.
Patent: 1
13
South Korea
Patent: 1
14
Patent: 1
15
Emcee Electronics, Inc.
Patent: 1
16
Brussels Hoofdstedelijk Gewest, Belgium
Hydrogen,Advertising,Gasoline
Patent: 1
17
Patent: 1
18
United Kingdom
Patent: 1
19
Patent: 1
20
Patent: 1
Page generation time: May 11 2025