Pittsburgh, PA, United States of America

Gerd Leston

This inventor holds 23 USPTO granted patents, primarily in Phenolic Compound Separation. Top assignee: Koppers Company, Inc.. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gerd Leston. Retrieved from https://idiyas.com/inventor/gerd-leston

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 = 1.0

ph-index = 7

Forward Citations = 106(Granted Patents)

Location History:

Scott Township, PA (US) (1976)
Pittsburgh, PA (US) (1977 - 1985)

Company Filing History:

23 out of 297

Koppers Company, Inc.

patents

Years Active: 1976-1985

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Areas of Expertise:

Phenolic Compounds

Chlorinated Phenols

Nitrated Phenolic Compounds

Alkylation

3,5-Xylenol

Separation Processes

Meta-Cresol

Purification

Dihydric Phenols

t-Butylation

Complex Formation

Methylation

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4499312 - Complex formed to separate 3,5-xylenol or 3,4-xylenol from other (1985-02-12),

2. 4496774 - Complex formed to separate nitrated phenolic compounds from other (1985-01-29),

3. 4480140 - Process for alkylating phenolic compounds to produce ortho or (1984-10-30),

4. 4479019 - Complex formed to separate nitrated phenolic compounds from other (1984-10-23),

5. 4475001 - Process for alkylating phenolic compounds to produce ortho- or (1984-10-02),

6. 4469901 - Complex formed for separating isopropylated m-cresols (1984-09-04),

7. 4469900 - Complex formed for separating chlorinated phenols (1984-09-04),

8. 4447658 - Process for separating 3,5-xylenol or 3,4-xylenol from other (1984-05-08),

9. 4447654 - Process for separating nitrated phenolic compounds from other phenolic (1984-05-08),

10. 4431846 - Reduction of o-ethylphenol in m,p-cresol by preferential t-butylation (1984-02-14),

11. 4429169 - Process for separating isopropylated m-cresols (1984-01-31),

12. 4429168 - Process for separating chlorinated phenols (1984-01-31),

13. 4424381 - Process for separating dihydric phenols (1984-01-03),

14. 4423253 - Process for separating t-butylated phenols (1983-12-27),

15. 4394526 - Para-cresol halide salt complex useful for separating para-cresol from (1983-07-19),

Title: The Innovative Journey of Gerd Leston

Introduction:

Gerd Leston, a visionary inventor based in Pittsburgh, PA, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents:

Gerd Leston holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his diverse range of expertise and innovative thinking.

Career Highlights:

Throughout his illustrious career, Gerd Leston has worked with top research institutions and leading tech companies to bring his inventions to life. His commitment to pushing the boundaries of technology has earned him recognition as a pioneer in his field.

Collaborations:

Gerd Leston has collaborated with renowned scientists, engineers, and inventors from around the world, fostering a culture of innovation and creativity. His ability to work effectively in multidisciplinary teams has led to the development of cutting-edge solutions to complex problems.

Conclusion:

In conclusion, Gerd Leston's passion for innovation and his relentless pursuit of excellence have established him as a trailblazer in the world of technology. His inventions continue to inspire and shape the future of various industries, leaving a lasting impact on society.

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]