For the Inventor, By the Inventor

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Pittsburgh, PA, United States of America

Indspec Chemical Corporation

USPTO Granted Patents = 33

CIPO Patents = 2

EPO Patents = 2

Trademarks = 2

Forward Citations = 250

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18 inventors (with patents filed for the assignee):

Raj B Durairaj (17 out of 24 patents)

Alex Peterson, Jr (8 out of 9 patents)

Mark A Lawrence (6 out of 22 patents)

4. Gary A Jesionowski (5 out of 7 patents)

5. Bojayan Durairaj (5 out of 5 patents)

6. Ching-Yong Wu (4 out of 4 patents)

7. Hans Dressler (3 out of 14 patents)

8. Gideon Salee (2 out of 2 patents)

9. Richard T Hood (2 out of 3 patents)

10. Robert M Lamars (2 out of 2 patents)

11. Theodore Harvey Dailey (1 out of 1 patent)

12. C Michael Walkup (1 out of 4 patents)

13. Michael N Tackie (1 out of 3 patents)

14. Thomas K Volek (1 out of 1 patent)

15. Vaughn J Romell (1 out of 1 patent)

33 patents: Sort by Forward Citations

1. 8742033 - Method of stabilizing resorcinol resins and gel compositions made therefrom (2014-06-03),

2. RE42100 - Resorcinolic derivative for rubber compounds (2011-01-31),

3. 7705088 - Resorcinol-blocked isocyanate compositions and their applications (2010-04-27),

4. 7700687 - Resorcinol resin-blocked isocyanates and their applications (2010-04-20),

5. 7439289 - Benzoylresorcinol-based phosphate ester compounds as flame retardants (2008-10-21),

6. 7196156 - Flexibilized resorcinolic novolak resins and method of making same (2007-03-27),

7. 7074861 - Modified resorcinol resins and applications thereof (2006-07-11),

8. 6875807 - Silane-modified phenolic resins and applications thereof (2005-04-05),

9. 6605670 - Resorcinolic derivatives and methods of making and using the same (2003-08-12),

10. 6586607 - Process for making diglycidylether of alkoxylated resorcinol (2003-07-01),

11. 6541551 - Resorcinolic derivative for rubber compounds (2003-04-01),

12. 6531637 - Resorcinol production from the hydrolysis of meta-phenylenediamine (2003-03-11),

13. 6472457 - Nonformaldehyde, nonfuming resorcinolic resins and methods of making and using the same (2002-10-29),

14. 6350921 - Process for the production of a dihydroxybenzene and dicarbinol from diisopropylbenzene (2002-02-26),

15. 6303732 - Diol blends and methods for making and using the same (2001-10-16),

Indspec Chemical Corporation is a leading chemical manufacturer specializing in the production of resorcinol, a key intermediate for several industries including rubber, wood adhesives, and flame retardants. With over 75 years of experience, Indspec is dedicated to maintaining the highest quality standards and providing innovative solutions to its customers. Through their state-of-the-art facilities and commitment to research and development, Indspec continues to be a trusted partner in the chemical industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

33 Patents

#59 in Pittsburgh, PA

#374 in Pennsylvania

#9,942 in US

#19,538 in the World

Pittsburgh, PA, United States of America

Indspec Chemical Corporation

Forward Citations = 250

18 inventors:

Raj B Durairaj (17 out of 24 patents)

Alex Peterson, Jr (8 out of 9 patents)

Mark A Lawrence (6 out of 22 patents)

4. Gary A Jesionowski (5 out of 7 patents)

5. Bojayan Durairaj (5 out of 5 patents)

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