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Arlington Heights, IL, United States of America

American Colloid Company

USPTO Granted Patents = 119

% Expired Patents = 0.84

Trademarks = 33

Forward Citations = 2,993

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48 inventors (with patents filed for the assignee):

William C Alexander (29 out of 120 patents)

John Hughes (27 out of 28 patents)

Arthur G Clem (12 out of 13 patents)

4. Todd D Harriett (10 out of 10 patents)

5. Mark Anderson (6 out of 13 patents)

6. Barbara R Regan (5 out of 5 patents)

7. Alec W White (5 out of 5 patents)

8. Maynard Teppo (4 out of 4 patents)

9. Peter L Maul (4 out of 4 patents)

10. Hisao Takeda (3 out of 12 patents)

11. Shozo Tanioku (3 out of 6 patents)

12. Robert S Nebergall (3 out of 3 patents)

13. Takayasu Touda (3 out of 3 patents)

14. Muneharu Mikita (3 out of 3 patents)

15. Yasunori Taniguchi (3 out of 3 patents)

Core Competencies:

Acid Activated Clay

Foundry Sand

Water-Swellable Clay

Absorbent Compositions

Grout Composition

Self-Healing Materials

Filtration Improvement

Waste Water Treatment

Animal Dross Absorbent

Masonry Cement

Crop Yield Enhancement

Polymerization Processes

119 patents: Sort by Forward Citations

1. 6860319 - Acid activated clay for use in foundry sand (2005-03-01),

2. 5514754 - Method of increasing the size and absorption under load of (1996-05-07),

3. 5503111 - Animal dross absorbent and method (1996-04-02),

4. 5495989 - Apparatus for milling clay without substantial generation of powder (1996-03-05),

5. 5486569 - Method of increasing the size and/or absorption under load of (1996-01-23),

6. 5476142 - Flexible contaminant-resistant grout composition and method (1995-12-19),

7. 5473848 - Trapezium-shaped aqueously-swelling concrete joint-sealing article and (1995-12-12),

8. 5468701 - Process for regenerating spent acid-activated bentonite clays and (1995-11-21),

9. 5452684 - Method of agglomerating a smectite clay litter (1995-09-26),

10. 5427990 - Method of Improving absorption of salt water by water-swellable clay by (1995-06-27),

11. 5426079 - Method of improving water-swellable clay properties by re-drying, (1995-06-20),

12. 5407879 - Method of improving the contaminant resistance of a smectite clay by (1995-04-18),

13. 5389166 - Water barrier formed from a clay-fiber mat (1995-02-14),

14. 5386803 - Animal dross absorbent and method (1995-02-07),

15. 5379948 - Method for milling clay without substantial generation of powder (1995-01-10),

Company Overview

American Colloid Company, based in Arlington Heights, IL, specializes in advanced clay technology, focusing on the development and manufacturing of various clay-based products. Their expertise encompasses acid-activated clay, foundry sand, and water-swellable clay, catering to diverse applications such as absorbent compositions and grout formulations. The company is also engaged in innovative solutions for filtration improvement and wastewater treatment, emphasizing self-healing materials that enhance performance and sustainability across multiple industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

119 Patents

#2 in Arlington Heights, IL

#189 in Illinois

#3,244 in US

#6,702 in the World

Arlington Heights, IL, United States of America

American Colloid Company

Forward Citations = 2,993

48 inventors:

William C Alexander (29 out of 120 patents)

John Hughes (27 out of 28 patents)

Arthur G Clem (12 out of 13 patents)

4. Todd D Harriett (10 out of 10 patents)

5. Mark Anderson (6 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: American Colloid Company. Retrieved from https://idiyas.com/company/american-colloid-company

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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