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St. Louis, MO, United States of America

Petrolite Corporation

USPTO Granted Patents = 429

CIPO Patents = 1

Trademarks = 19

Forward Citations = 4,593

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170 inventors (with patents filed for the assignee):

Patrick M Quinlan (72 out of 72 patents)

Derek Redmore (57 out of 57 patents)

Bernardus A Oude Alink (53 out of 56 patents)

4. Neil E Thompson (44 out of 44 patents)

5. Benjamin T Outlaw (27 out of 27 patents)

6. Michael I Naiman (24 out of 24 patents)

7. Rudolf S Buriks (22 out of 22 patents)

8. Thomas J Bellos (18 out of 21 patents)

9. John A Schield (14 out of 29 patents)

10. David B Guthrie (12 out of 12 patents)

11. William J Cheng (12 out of 12 patents)

12. Jerry J Weers (11 out of 75 patents)

13. Richard Martin (10 out of 54 patents)

14. Frederick T Welge (10 out of 10 patents)

15. Robert G Asperger (9 out of 9 patents)

Core Competencies:

Corrosion Inhibitors

Biodegradable Additives

Hydrogen Sulfide Scavengers

Oil Process Water

Anti-Static Additives

Asphaltene Removal

Demulsifiers

Scale Inhibition

Hydrocarbon Recovery

Volatile Inhibitors

Polyalkanolamines

Synthesis Methods

429 patents: Sort by Forward Citations

1. 5785895 - Biodegradable corrosion inhibitors of low toxicity (1998-07-28),

2. 5672183 - Anti-static additives for hydrocarbons (1997-09-30),

3. 5637223 - Method of removing water soluble organics from oil process water (1997-06-10),

4. 5634971 - Process for dispersing pigments with polyoxyalkylated ethers (1997-06-03),

5. 5582792 - Corrosion inhibition by ethoxylated fatty amine salts of maleated (1996-12-10),

6. 5567213 - Use of olefinic imines to scavenge sulfur species (1996-10-22),

7. 5567212 - Use of olefinic imines to scavenge sulfur species (1996-10-22),

8. 5538723 - Method for suppressing the viscosity of bioinsecticide slurries and (1996-07-23),

9. 5504063 - Asphaltene removal composition and method (1996-04-02),

10. 5480860 - Methods for reducing sulfides in sewage gas (1996-01-02),

11. 5456767 - Corrosion inhibition with bilayer-forming surfactants (1995-10-10),

12. 5441998 - Repulpable hot melt adhesives (1995-08-15),

13. 5440059 - Clay-catalyzed synthesis of aryl-substituted fatty acids and fatty (1995-08-08),

14. 5439592 - Method for removal of water soluble organics from oil process water (1995-08-08),

15. 5436287 - Repulpable laminating adhesive containing an ethylene vinyl acetate (1995-07-25),

Company Overview

Petrolite Corporation, based in St. Louis, MO, specializes in the development and manufacturing of advanced chemical solutions for the oil and gas industry. The company focuses on corrosion inhibition technologies, offering a range of products including biodegradable additives, hydrogen sulfide scavengers, and anti-static additives. Petrolite's expertise extends to addressing challenges in oil process water management, asphaltene removal, demulsification, and scale inhibition, contributing to enhanced operational efficiency and environmental sustainability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

429 Patents

#10 in St. Louis, MO

#13 in Missouri

#1,104 in US

#2,205 in the World

St. Louis, MO, United States of America

Petrolite Corporation

Forward Citations = 4,593

170 inventors:

Patrick M Quinlan (72 out of 72 patents)

Derek Redmore (57 out of 57 patents)

Bernardus A Oude Alink (53 out of 56 patents)

4. Neil E Thompson (44 out of 44 patents)

5. Benjamin T Outlaw (27 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Petrolite Corporation. Retrieved from https://idiyas.com/company/petrolite

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

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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