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Midlothian, IL, United States of America

Dober Chemical Corporation

USPTO Granted Patents = 30

% Expired Patents = 13.3

Trademarks = 9

Forward Citations = 333

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30 inventors (with patents filed for the assignee):

Thomas J Blakemore (6 out of 8 patents)

Joseph C Drozd (5 out of 12 patents)

Yu-Sen Chen (5 out of 7 patents)

4. Magesh Sundaram (5 out of 5 patents)

5. Dennis R Kelly (4 out of 6 patents)

6. David Alan Little (4 out of 6 patents)

7. John F Dobrez (4 out of 4 patents)

8. Everett J Nichols (3 out of 17 patents)

9. James R Scott (3 out of 17 patents)

10. Harold R Martin (3 out of 16 patents)

11. Doug Hudgens (3 out of 5 patents)

12. Robert V Franklin (3 out of 4 patents)

13. John G Dobrez (3 out of 3 patents)

14. Anthony Weisner (2 out of 2 patents)

15. Barry Mark Verdegan (2 out of 113 patents)

Core Competencies:

Water Treatment

Microbiocide Release

Additive Compositions

Wastewater Management

Coolant Additives

Aqueous Media

Dewatering

Surface Cleaning

Liquid Delivery Systems

Coagulant Treatment

Polymer Coatings

Titanium Dioxide Removal

30 patents: Sort by Forward Citations

1. 12180099 - Water treatment compositions and methods of use (2024-12-31),

2. 12172911 - Water treatment compositions and methods of use (2024-12-24),

3. 11174374 - Water-enriching and water depleting compositions and methods (2021-11-16),

4. 10202551 - Dewatering compositions and methods (2019-02-12),

5. 10040710 - Use of a dual polymer system for enhanced water recovery and improved separation of suspended solids and other substances from an aqueous media (2018-08-07),

6. 9856414 - Compositions, systems and methods of making coated additive components (2018-01-02),

7. 8702995 - Controlled release of microbiocides (2014-04-22),

8. 8591747 - Devices and methods for controlled release of additive compositions (2013-11-26),

9. 7938277 - Controlled release of microbiocides (2011-05-10),

10. 7883638 - Controlled release cooling additive compositions (2011-02-08),

11. 7591279 - Controlled release of additives in fluid systems (2009-09-22),

12. 7581558 - Controlled release of additives in fluid systems (2009-09-01),

13. 7524434 - Controlled release cooling additive composition (2009-04-28),

14. 7001531 - Sustained release coolant additive composition (2006-02-21),

15. 6878309 - Controlled release cooling additive composition (2005-04-12),

Company Overview

Dober Chemical Corporation specializes in the development and manufacturing of specialty chemicals and formulations tailored for various industries. With a strong focus on providing innovative solutions, the company serves sectors such as water treatment, personal care, and industrial applications. Dober is committed to sustainability and efficiency, leveraging advanced technologies to enhance product performance while minimizing environmental impact. Headquartered in Midlothian, Illinois, Dober continues to expand its reach and influence in the chemical industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

30 Patents

#1 in Midlothian, IL

#607 in Illinois

#11,257 in US

#21,853 in the World

Midlothian, IL, United States of America

Dober Chemical Corporation

Forward Citations = 333

30 inventors:

Thomas J Blakemore (6 out of 8 patents)

Joseph C Drozd (5 out of 12 patents)

Yu-Sen Chen (5 out of 7 patents)

4. Magesh Sundaram (5 out of 5 patents)

5. Dennis R Kelly (4 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dober Chemical Corporation. Retrieved from https://idiyas.com/company/dober-chemical

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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