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For the Inventor, By the Inventor

Georgetown, TX, United States of America

Roger G Duranleau

This inventor holds 34 USPTO granted patents, plus 1 CIPO patent, primarily in Catalytic Processes. Top assignees: Texaco Inc., Texaco Chemical Company, Texaco Chemical Inc.. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger G Duranleau. Retrieved from https://idiyas.com/inventor/roger-g-duranleau

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

USPTO Granted Patents = 34

% Patents Active = 100.0


Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 207(Granted Patents)


Location History:

  • Ardonia, NY (US) (1976 - 1977)
  • Bridge City, TX (US) (1978)
  • Georgetown, TX (US) (1979 - 1995)

Company Filing History:

goldMedal27 out of 3,161 
 
Texaco Inc.
 patents
silverMedal6 out of 276 
 
Texaco Chemical Company
 patents
bronzeMedal1 out of 34 
 
Texaco Chemical Inc.
 patents

Years Active: 1976-1995

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Areas of Expertise:
Palladium Catalysts
Acetic Acid Production
Ethylene Glycol
Carbonylation
Hydroxyamine Derivatives
Corrosion Inhibitors
Methane-Rich Gas
Hydrogen-Rich Gas
Formamide Compounds
Oxygenated Compounds
Naphthalene Dicarboxylic Acid
Low Molecular Weight
34 patents (USPTO):Explore Patents
1. 5414141 - Use of supported palladium catalysts in the preparation of tertiary (1995-05-09),
2. 5364988 - Use of supported chromium catalyst in the preparation of tertiary butyl (1994-11-15),
3. 5359130 - Use of supported palladium/platinum catalysts in the preparation of (1994-10-25),
4. 5354925 - Use of supported lead oxide catalyst in the preparation of tertiary (1994-10-11),
5. 5354917 - Use of supported rhodium catalysts in the preparation of tertiary butyl (1994-10-11),
6. 5189221 - Amine separation process (1993-02-23),
7. 5182025 - Method of neutralizing polyol catalysts and products (1993-01-26),
8. 4691041 - Process for production of ethylene glycol and dimethyl carbonate (1987-09-01),
9. 4629809 - Process for selectively preparing acetic acid by carbonylation of (1986-12-16),
10. 4615771 - Method of separating bis-(2-aminoethyl)ether from (1986-10-07),
11. 4602085 - Catalytic process for the production of hydroxyamine derivatives of (1986-07-22),
12. 4584119 - Naphthalene dicarboxylic acid salts as corrosion inhibitors (1986-04-22),
13. 4565896 - Process for low pressure synthesis of ethylene glycol from synthesis gas (1986-01-21),
14. 4565866 - Method for the preparation of formamides (1986-01-21),
15. 4529822 - Process for the preparation of formamide compounds (1985-07-16),

Title: The Innovative Journey of Roger G Duranleau in Catalytic Chemistry

Introduction

Roger G Duranleau, based in Georgetown, TX, is a prominent inventor recognized for his contributions to the field of catalytic chemistry. With an impressive portfolio of 34 patents, Duranleau has significantly impacted the processes surrounding the preparation of tertiary butyl alcohol, showcasing his skill and expertise in this specialized area.

Latest Patents

Duranleau’s recent patents include pioneering methods that utilize supported palladium catalysts and supported chromium catalysts. One notable invention involves the use of palladium and gold supported on alumina for the hydroperoxide decomposition of tertiary butyl hydroperoxide, a process that efficiently converts it into tertiary butyl alcohol and ditertiary butyl peroxide. Another significant method pertains to the use of alumina with chromium, aimed at transforming a mixture of tertiary butyl alcohol and isobutane into valuable decomposition products under specific reaction conditions.

Career Highlights

Throughout his career, Roger G Duranleau has held key positions at Texaco Inc. and Texaco Chemical Company. His work at these institutions has facilitated the advancement of innovative techniques and methodologies in chemical engineering and catalysis, reflecting his dedication to research and development in his field.

Collaborations

Duranleau has collaborated with distinguished professionals, including John F Knifton and John R Sanderson. These partnerships have likely enriched his work and contributed to the scientific community's understanding of catalytic processes and their applications in industrial settings.

Conclusion

Roger G Duranleau’s contributions to catalytic chemistry through his inventions and patents continue to pave the way for advancements in the production of important chemical compounds. His relentless pursuit of innovation and collaboration exemplifies the spirit of ingenuity that drives the field forward.

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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