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For the Inventor, By the Inventor

Baton Rouge, LA, United States of America

Paul F Ranken

This inventor holds 23 USPTO granted patents, primarily in Chemical Synthesis. Top assignee: Ethyl Corporation. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paul F Ranken. Retrieved from https://idiyas.com/inventor/paul-f-ranken

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

Calculating rank
USPTO Granted Patents = 23

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 93(Granted Patents)


Company Filing History:

goldMedal23 out of 1,362 
 
Ethyl Corporation
 patents

Years Active: 1981-1992

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Areas of Expertise:
Hydrocarbylthio Compounds
Aromatization Processes
Substituted Diaminotoluenes
Brominative Aromatization
Polyurethane Elastomers
Fluoro-Substituted Compounds
Decarboxylation Process
Phenol Preparation
23 patents (USPTO):Explore Patents
1. 5084213 - Mixed halogenation of cyclododecatriene (1992-01-28),
2. 4982002 - Methylthio substituted diaminotoluenes (1991-01-01),
3. 4889955 - Preparation of (hydrocarbylthio)aromatic amines (1989-12-26),
4. 4866209 - Poly(hydrocarbylthio)anilines (1989-09-12),
5. 4760188 - Substituted diaminotoluene (1988-07-26),
6. 4727148 - Certain aromatization process for preparing (1988-02-23),
7. 4670597 - Process for preparing (hydrocarbylthio) aromatic amines (1987-06-02),
8. 4649202 - Brominative aromatization of 4-cyclohexenylpyridines (1987-03-10),
9. 4604467 - Certain 4-(3,4-dibromocyclohexyl)pyridines (1986-08-05),
10. 4602113 - (Hydrocarbylthio) phenols and their preparation (1986-07-22),
11. 4595742 - Di(alkylthio)diamine chain extenders for polyurethane elastomers (1986-06-17),
12. 4594453 - Process for preparing (hydrocarbylthio)aromatic amines (1986-06-10),
13. 4554352 - Preparation of (1985-11-19),
14. 4552966 - 2-Nitro-4-(4-pyridinyl) benzoic acids and derivatives (1985-11-12),
15. 4547593 - Preparation of (hydrocarbylthio)phenols (1985-10-15),

Title: The Innovative Journey of Paul F. Ranken

Introduction: Paul F. Ranken, a distinguished inventor hailing from Baton Rouge, LA, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Paul F. Ranken holds several patents in various technological domains, including advancements in renewable energy systems, smart home technologies, and medical devices.

Career Highlights: With a career spanning over two decades, Paul F. Ranken has established himself as a visionary inventor known for his ability to transform innovative ideas into practical solutions. His work has been recognized for its impact on improving efficiency and sustainability across industries.

Collaborations: Throughout his career, Paul F. Ranken has collaborated with leading research institutions, universities, and tech companies to further develop and commercialize his inventions. His collaborative efforts have led to the successful implementation of cutting-edge technologies in real-world applications.

Conclusion: Paul F. Ranken's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a pioneering inventor in the field. His contributions continue to inspire future generations of inventors and shape the landscape of modern technology.

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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