logo

For the Inventor, By the Inventor

Marietta, GA, United States of America

Columbian Chemicals Company


USPTO Granted Patents = 38



Trademarks = 2

Forward Citations = 388

Loading Chart...
Loading Chart...

38 inventors (with patents filed for the assignee):

goldMedal Bollepalli Srinivas (5 out of 5 patents)

silverMedal George A Joyce (5 out of 5 patents)

bronzeMedal Jorge A Ayala (4 out of 4 patents)

4.  Rodney L Taylor (4 out of 4 patents)

5.  William R Jones, Jr (4 out of 4 patents)

6.  David Crabbe (3 out of 4 patents)

7.  James M Watson (3 out of 3 patents)

8.  Wallace G Murray (3 out of 3 patents)

9.  Charles R Herd (2 out of 4 patents)

10.  Srinivas Bollepalli (2 out of 2 patents)

11.  Ronald A Swor (2 out of 2 patents)

12.  Janek Porowski (2 out of 2 patents)

13.  John Carleton Curtis (2 out of 2 patents)

14.  Thomas S Coursen, Jr (2 out of 2 patents)

15.  Alan C Berg (2 out of 2 patents)


38 patents:

1. 7847009 - Carbonaceous material with dissociated aggregate size and particle size distribution and improved dispersibility (2010-12-07),
2. 7459103 - Conducting polymer-grafted carbon material for fuel cell applications (2008-12-02),
3. 7413683 - Sulfonated conducting polymer-grafted carbon material for fuel cell applications (2008-08-19),
4. 7390441 - Sulfonated conducting polymer-grafted carbon material for fuel cell applications (2008-06-24),
5. 7241334 - Sulfonated carbonaceous materials (2007-07-10),
6. 7238741 - Carbonaceous material with broad aggregate size distribution and improved dispersibility (2007-07-03),
7. 7195834 - Metallized conducting polymer-grafted carbon material and method for making (2007-03-27),
8. 7175930 - Conducting polymer-grafted carbon material for fuel cell applications (2007-02-13),
9. 7167240 - Carbon black sampling for particle surface area measurement using laser-induced incandescence and reactor process control based thereon (2007-01-23),
10. 6958308 - Deposition of dispersed metal particles onto substrates using supercritical fluids (2005-10-25),
11. 6831194 - Surface modification of carbonaceous materials by introduction of gamma keto carboxyl containing functional groups (2004-12-14),
12. 6608132 - Carbon black with abrasion and hysteresis advantages comparable to N121 and tear properties comparable to N115 (2003-08-19),
13. 6189768 - Process and apparatus for pressing an external sleeve onto a tube for enhancing weld design (2001-02-20),
14. 6120594 - Hydrogen peroxide oxidation of carbon black (2000-09-18),
15. 612059 - Hydrogen peroxide oxidation of carbon black (2000-09-19),
Columbian Chemicals Company is a global leader in the development, manufacture, and distribution of carbon black additives. With over 100 years of experience, we provide high-quality solutions that enhance the performance of rubber, plastic, and coating applications. Our innovative products and technical expertise have earned us a reputation for reliability and customer satisfaction. Visit our website to learn more about our extensive product range and find out how we can support your business.
This text is generated by artificial intelligence and may not be accurate.

logo

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

...
38 Patents

#6 in Marietta, GA

#190 in Georgia

#8,725 in US

#17,301 in the World

...
Marietta, GA, United States of America

Columbian Chemicals Company

Forward Citations = 388

38 inventors:

goldMedal Bollepalli Srinivas (5 out of 5 patents)

silverMedal George A Joyce (5 out of 5 patents)

bronzeMedal Jorge A Ayala (4 out of 4 patents)

4.  Rodney L Taylor (4 out of 4 patents)

5.  William R Jones, Jr (4 out of 4 patents)

Please report any incorrect information to support@idiyas.com
Loading…