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For the Inventor, By the Inventor

New York, NY, United States of America

Minerals Technologies Inc.


USPTO Granted Patents = 52

% Expired Patents = 7.7


Trademarks = 26

Forward Citations = 521

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36 inventors (with patents filed for the assignee):

goldMedal Donald Kendall Drummond (13 out of 14 patents)

silverMedal George Henry Fairchild (8 out of 8 patents)

bronzeMedal John Albert Hockman (6 out of 10 patents)

4.  Phillip Ronald King (5 out of 5 patents)

5.  Richard Shaddinger Baum (4 out of 4 patents)

6.  Kenneth James Wise (4 out of 6 patents)

7.  Charles R Rumpeltin (4 out of 5 patents)

8.  Julie A Dody (4 out of 6 patents)

9.  Patrick Clinton Wernett (3 out of 6 patents)

10.  Gary Peter Tomaino (3 out of 3 patents)

11.  Gerald Dean Erdman (3 out of 4 patents)

12.  Donald Richard Deutsch (3 out of 3 patents)

13.  Robert A Gill (3 out of 7 patents)

14.  Dominick Michael Colavito (2 out of 12 patents)

15.  Richard Louis Thatcher (2 out of 2 patents)


Core Competencies:
Continuous Gas Liquid Reactions
Calcium Carbonate
Bifunctional Polymers
Synthetic Silicate Pellets
Cored Wire Treatment
Mineral Microparticles
Paper Composition
Abrasion Resistant Nozzles
Aragonitic Calcium Carbonate
Retention Aid Systems
Inorganic Pigments Treatment
Thermal Brightness Reversion

52 patents:

1. 7387769 - Method and apparatus for continuous gas liquid reactions (2008-06-17),
2. 7150839 - Fluorescent agents (2006-12-19),
3. 7033428 - Acid stabilized calcium carbonate an method of making it (2006-04-25),
4. 6613856 - Bifunctional polymers (2003-09-02),
5. 6602385 - Method of improving the brightness of calcium carbonate filled paper (2003-08-05),
6. 6593400 - Talc antiblock compositions and method of preparation (2003-07-15),
7. 6508857 - Method for treating molten metal with cored wire (2003-01-21),
8. 6454907 - Method and apparatus for concentrating slurried solids (2002-09-24),
9. 6451268 - Method and apparatus for continuous gas liquid reactions (2002-09-17),
10. 6420289 - Synthetic silicate pellet composition and methods of making and using thereof (2002-07-16),
11. 6346135 - Cored wire for treating molten metal (2002-02-12),
12. 6336346 - Synthetic silicate pellet composition and methods of making and using thereof (2002-01-08),
13. 6294143 - Process for the preparation of discrete particles of calcium carbonate (2001-09-25),
14. 6287997 - Method of producing synthetic silicates and use thereof in glass production (2001-09-11),
15. 6287423 - Paper composition for improved sheet properties (2001-09-11),
Minerals Technologies Inc. is a global resource- and technology-based company that develops, produces, and markets a wide range of specialty mineral, mineral-based, and synthetic mineral products. These products are used in a variety of applications such as pulp and paper, construction, agriculture, consumer products, environmental, and energy. With a commitment to innovation and sustainability, Minerals Technologies Inc. aims to provide solutions that enhance performance, productivity, and environmental compliance for its diverse customer base.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

52 Patents

#184 in New York, NY

#414 in New York

#6,754 in US

#13,528 in the World

New York, NY (US)
New York, NY, United States of America

Minerals Technologies Inc.

Forward Citations = 521

36 inventors:

goldMedal Donald Kendall Drummond (13 out of 14 patents)

silverMedal George Henry Fairchild (8 out of 8 patents)

bronzeMedal John Albert Hockman (6 out of 10 patents)

4.  Phillip Ronald King (5 out of 5 patents)

5.  Richard Shaddinger Baum (4 out of 4 patents)

Please report any incorrect information to [email protected]
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