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For the Inventor, By the Inventor

Pensacola, FL, United States of America

Charles R Campbell

This inventor holds 9 USPTO granted patents. Top assignees: Monsanto Company, Other. Active years: 1976-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles R Campbell. Retrieved from https://idiyas.com/inventor/charles-r-campbell

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Pensacola, FL (US) (1976 - 1982)
  • Stony Point, NC (US) (1992)

Company Filing History:

goldMedal8 out of 3,289 
 
Monsanto Company
 patents
silverMedal1 out of 834,453 
Other
 patents

Years Active: 1976-1992

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9 patents (USPTO):Explore Patents
1. 5133246 - Control system (1992-07-28),
2. 4359585 - Catalyst passivation in production of amines (1982-11-16),
3. 4306949 - Electrohydrodimerization process (1981-12-22),
4. 4247481 - Catalyst passivation in production of amines (1981-01-27),
5. 4203808 - Electroplating cathodes for electrochemical synthesis (1980-05-20),
6. 4178305 - Oxidative dehydrogenation of propionitrile to acrylonitrile (1979-12-11),
7. 4155818 - Semi-continuous electro-hydrodimerization of acrylonitrile to (1979-05-22),
8. 4128571 - Thermal conversion of 4-cyano-suberonitrile to acrylonitrile (1978-12-05),
9. 3960679 - Process for hydrodimerizing olefinic compounds (1976-06-01),

Title: Innovations of Charles R Campbell

Introduction

Charles R Campbell is a notable inventor based in Pensacola, FL (US). He holds a total of 9 patents that reflect his contributions to various fields, particularly in environmental control systems and chemical processes.

Latest Patents

One of his latest patents is a control system designed for capturing and disposing of volatile organic compounds (VOCs) and other substances. This innovative system includes a spray booth with an entrance, exit, and accessible working area, utilizing air curtains for effective sealing. The system directs air flow towards the article being sprayed, facilitating the movement of floating particles and vapors. Additionally, it features air evacuation means to recycle air and remove VOCs to a remote location, along with methods for disposing of these substances.

Another significant patent involves catalyst passivation in the production of amines. This improvement enhances the process of producing amines, such as hexamethylenediamine, from nitriles like adiponitrile. The process involves hydrogenating the nitrile under pressure with a Raney nickel catalyst. The innovation includes adding an inorganic base to the discharge stream, which passivates the Raney nickel catalyst and significantly reduces the catalytic decomposition of the amine.

Career Highlights

Throughout his career, Charles R Campbell has worked with prominent companies, including Monsanto Company. His work has significantly impacted the fields of environmental technology and chemical engineering.

Collaborations

Some of his notable coworkers include William A Heckle and Marion J Mathews, III. Their collaborations have contributed to the advancement of innovative solutions in their respective fields.

Conclusion

Charles R Campbell's contributions as an inventor have led to significant advancements in environmental control systems and chemical processes. His innovative patents demonstrate his commitment to improving technology and addressing environmental challenges.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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