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Seattle, WA, United States of America

The Chemithon Corporation

USPTO Granted Patents = 31

% Expired Patents = 3.2

EPO Patents = 2

Trademarks = 3

Forward Citations = 311

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22 inventors (with patents filed for the assignee):

Burton Brooks (18 out of 18 patents)

Richard J Brooks (10 out of 19 patents)

Walter A Jessup (8 out of 8 patents)

4. Brian W MacArthur (6 out of 6 patents)

5. W Brad Sheats (3 out of 3 patents)

6. John C Chittenden (3 out of 3 patents)

7. William G Hankins (3 out of 3 patents)

8. William B Sheats (2 out of 2 patents)

9. Albert Brucato (2 out of 3 patents)

10. Rudolf Aigner (1 out of 8 patents)

11. Horst Reuner (1 out of 2 patents)

12. David L Woracek (1 out of 3 patents)

13. Robert A Wright (1 out of 17 patents)

14. Norman C Foster (1 out of 1 patent)

15. Thomas J Loughney (1 out of 1 patent)

Core Competencies:

Sulfonation

Ammonia Production

Flue Gas Conditioning

Gas Scrubbing

Detergent Production

Dioxane Removal

Sewage Pumping

Solar Heating

Spray Drying

Urea Conversion

Contaminant Removal

Intermediate Products

31 patents: Sort by Forward Citations

1. 8865928 - Process for removing dioxane from a composition (2014-10-21),

2. 7968742 - Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactions (2011-06-28),

3. 7008603 - Process and apparatus for quantitatively converting urea to ammonia on demand (2006-03-07),

4. 6895983 - Method and apparatus for dividing the flow of a gas stream (2005-05-24),

5. 6887449 - Method of quantitatively producing ammonia from urea (2005-05-03),

6. 6761868 - Process for quantitatively converting urea to ammonia on demand (2004-07-13),

7. 6572835 - Method and apparatus for producing gaseous sulfur trioxide (2003-06-03),

8. 6511644 - Method for removing contaminants in reactors (2003-01-28),

9. 6058623 - Apparatus and process for removing volatile components from a composition (2000-05-09),

10. 5723433 - Sovent removal process (1998-03-03),

11. 5597403 - Flue gas conditioning system for intermittently energized precipitation (1997-01-28),

12. 5591249 - Flue gas conditioning method for intermittently energized precipitation (1997-01-07),

13. 5587500 - Sulfonation of fatty acid esters (1996-12-24),

14. 5244642 - Method for conditioning flue gas (1993-09-14),

15. 5136088 - Sulfonation process for viscous sulfonic acid (1992-08-04),

Company Overview

The Chemithon Corporation, based in Seattle, WA, specializes in the development and manufacturing of chemical products and processes. The company focuses on providing innovative solutions for various industries, including agriculture, water treatment, and industrial applications. With a commitment to sustainability and efficiency, Chemithon leverages advanced technologies to enhance product performance and environmental safety. Their expertise in chemical engineering and formulation positions them as a key player in the chemical manufacturing sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

31 Patents

#73 in Seattle, WA

#234 in Washington

#10,927 in US

#21,260 in the World

Seattle, WA, United States of America

The Chemithon Corporation

Forward Citations = 311

22 inventors:

Burton Brooks (18 out of 18 patents)

Richard J Brooks (10 out of 19 patents)

Walter A Jessup (8 out of 8 patents)

4. Brian W MacArthur (6 out of 6 patents)

5. W Brad Sheats (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Chemithon Corporation. Retrieved from https://idiyas.com/company/chemithon

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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