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Gonzales, TX, United States of America

Southern Clay Products, Inc.

Calculating rank

USPTO Granted Patents = 26

% Expired Patents = 7.7

Trademarks = 8

Forward Citations = 479

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32 inventors (with patents filed for the assignee):

Milburn I Knudson, Jr (8 out of 9 patents)

Clois E Powell (7 out of 13 patents)

William R Menking (5 out of 5 patents)

4. David Hugh Durham (4 out of 4 patents)

5. Thomas C Farrow (4 out of 4 patents)

6. Paul W Carroll (4 out of 4 patents)

7. Thomas R Jones (4 out of 21 patents)

8. Carl J Bauer (4 out of 4 patents)

9. Chris A Rasmussen (3 out of 3 patents)

10. Patricia M Bauer (2 out of 4 patents)

11. Michael D Hoey (2 out of 29 patents)

12. James F Gadberry (2 out of 20 patents)

13. David J Hanlon (2 out of 3 patents)

14. Benjamin W Knesek (2 out of 2 patents)

15. Harry Ryan Dennis (2 out of 2 patents)

Core Competencies:

Tint-Viscosity Stabilization

Polymeric Thickeners

Synthetic Clay Compositions

Polymer Nanocomposites

Exfoliation Treatment

Gelling Systems

Rheological Additives

Bentonite Slurries

Drilling Fluids

Coating Compositions

Thixotropic Materials

Agglomeration Minimization

26 patents: Sort by Forward Citations

1. 7868122 - Tint-viscosity stabilization polymeric thickeners (2011-01-11),

2. 7354967 - Method for minimizing filler agglomeration (2008-04-08),

3. 6890502 - Synthetic clay compositions and methods for making and using (2005-05-10),

4. 6849680 - Preparation of polymer nanocomposites by dispersion destabilization (2005-02-01),

5. 6787592 - Organoclay compositions prepared from ester quats and composites based on the compositions (2004-09-07),

6. 6730719 - Process for treating smectite clays to facilitate exfoliation (2004-05-04),

7. 6635108 - Organoclay compositions for gelling unsaturated polyester resin systems (2003-10-21),

8. 6534570 - Organoclay compositions for gelling unsaturated polyester resin systems (2003-03-18),

9. 6271298 - Process for treating smectite clays to facilitate exfoliation (2001-08-07),

10. 6036765 - Organoclay compositions and method of preparation (2000-03-14),

11. 5989331 - TiO.sub.2 slurry stabilization (1999-11-23),

12. 5837654 - High temperature environmentally benign drilling fluid, and viscosifying (1998-11-17),

13. 5785749 - Method for producing rheological additives and coating compositions (1998-07-28),

14. 5780376 - Organoclay compositions (1998-07-14),

15. 5739087 - Organoclay products containing a branched chain alkyl quaternary (1998-04-14),

Company Overview

Southern Clay Products, Inc. is a leading manufacturer specializing in the production of high-quality clay-based materials and additives. The company focuses on developing innovative solutions for various industries, including plastics, coatings, and construction. With a commitment to sustainability and performance, Southern Clay Products leverages advanced research and technology to enhance the properties of its products, catering to a diverse range of applications. Headquartered in Gonzales, Texas, the company serves both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

26 Patents

#1 in Gonzales, TX

#739 in Texas

#12,875 in US

#24,848 in the World

Gonzales, TX, United States of America

Southern Clay Products, Inc.

Forward Citations = 479

32 inventors:

Milburn I Knudson, Jr (8 out of 9 patents)

Clois E Powell (7 out of 13 patents)

William R Menking (5 out of 5 patents)

4. David Hugh Durham (4 out of 4 patents)

5. Thomas C Farrow (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Southern Clay Products, Inc.. Retrieved from https://idiyas.com/company/southern-clay-products

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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