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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Petrolite Corporation


USPTO Granted Patents = 429


Trademarks = 19

Forward Citations = 4,593

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170 inventors (with patents filed for the assignee):

goldMedal Patrick M Quinlan (72 out of 72 patents)

silverMedal Derek Redmore (57 out of 57 patents)

bronzeMedal 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 74 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

429 Patents

#10 in St. Louis, MO

#13 in Missouri

#1,104 in US

#2,200 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

Petrolite Corporation

Forward Citations = 4,593

170 inventors:

goldMedal Patrick M Quinlan (72 out of 72 patents)

silverMedal Derek Redmore (57 out of 57 patents)

bronzeMedal 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)

Please report any incorrect information to [email protected]
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