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For the Inventor, By the Inventor

Naperville, IL, United States of America

Calgon Corporation


USPTO Granted Patents = 312



Trademarks = 13

Forward Citations = 5,167

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187 inventors (with patents filed for the assignee):

goldMedal Jasbir S Gill (21 out of 22 patents)

silverMedal Wood E Hunter (19 out of 19 patents)

bronzeMedal Gary F Matz (18 out of 26 patents)

4.  Shih-Ruey Tom Chen (17 out of 39 patents)

5.  Bennett P Boffardi (16 out of 17 patents)

6.  Fred David Martin (15 out of 16 patents)

7.  Rabindra K Sinha (12 out of 16 patents)

8.  Denis E Hassick (11 out of 12 patents)

9.  Daniel P Vanderpool (11 out of 11 patents)

10.  Sally Lee Adams (11 out of 11 patents)

11.  Jerry L Walker (10 out of 10 patents)

12.  Paul A Rey (10 out of 11 patents)

13.  Raymond J Schaper (10 out of 10 patents)

14.  Lewis D Morse (9 out of 13 patents)

15.  Joseph Peter Miknevich (8 out of 15 patents)


Core Competencies:
Water Soluble Polymers
Inorganic Compositions
Ampholyte Polymers
Inverse Emulsion Polymers
Modified Starch Solutions
Antimicrobial Agents
Cationic Polymers
Surface Cleaning Compositions
Corrosion Inhibiting Films
Scale Control Systems
Chemical Delivery Systems
Agricultural Waste Separation

312 patents:

1. 6691715 - Water soluble polymer composition and method of use (2004-02-17),
2. 6656377 - Inorganic composition, process of preparation and method of use (2003-12-02),
3. 6562194 - Method of creping paper webs (2003-05-13),
4. 6482776 - Ampholyte polymer composition and method of use (2002-11-19),
5. 6414080 - Inverse emulsion polymer and production thereof (2002-07-02),
6. 6365140 - Modified starch solutions and their use in personal care (2002-04-02),
7. 6361801 - Alkyl allyl amines and low voc hair styling compositions using same (2002-03-26),
8. 6346554 - ASA size emulsification with a natural gum for paper products (2002-02-12),
9. 6315910 - Method for controlling snails using dialkyl diallyl ammonium polymers (2001-11-13),
10. 6313198 - Emulsion feed assembly and method (2001-11-06),
11. 6310024 - Rust and scale removal composition and process (2001-10-30),
12. 6277242 - Creping adhesive containing an admixture of PAE resins (2001-08-21),
13. 6248182 - Mannich derivatives of epoxy-novolac resins and methods of using the same (2001-06-19),
14. 6184257 - Composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same (2001-02-06),
15. 6139830 - Methods for reducing deposit formation on surfaces (2000-10-31),
Calgon Corporation is a global manufacturer and supplier of activated carbon and innovative treatment systems for air and water purification. With over 75 years of experience, they provide a diverse range of products and services to industries including water treatment, air purification, food and beverage, and pharmaceuticals. Calgon is committed to sustainable solutions and helping businesses meet environmental regulations and improve overall performance.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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312 Patents

#4 in Naperville, IL

#84 in Illinois

#1,353 in US

#2,784 in the World

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Naperville, IL, United States of America

Calgon Corporation

Forward Citations = 5,167

187 inventors:

goldMedal Jasbir S Gill (21 out of 22 patents)

silverMedal Wood E Hunter (19 out of 19 patents)

bronzeMedal Gary F Matz (18 out of 26 patents)

4.  Shih-Ruey Tom Chen (17 out of 39 patents)

5.  Bennett P Boffardi (16 out of 17 patents)

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