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Arlington Heights, IL, United States of America

American Colloid Company

USPTO Granted Patents = 119

Trademarks = 40

Forward Citations = 2,959

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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

Bentonite Clays

Water-Swellable Clay

Animal Dross Absorbent

Concrete Joint-Sealing

Metal Casting

Fluid Absorption

Contaminant Resistance

Moisture-Impervious Panels

Crop Yield Improvement

Grout Composition

Waste Water Treatment

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),

American Colloid Company provides innovative and environmentally sustainable products to various industries including oil drilling, foundry, construction, and cosmetics. With over 90 years of experience, we are a global leader in bentonite and specialty minerals. Our commitment to quality, reliability, and customer satisfaction enables us to deliver exceptional solutions for our clients' unique needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

119 Patents

#1 in Arlington Heights, IL

#194 in Illinois

#3,115 in US

#6,488 in the World

Arlington Heights, IL, United States of America

American Colloid Company

Forward Citations = 2,959

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)

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