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For the Inventor, By the Inventor

San Francisco, CA, United States of America

Stephen D Ziman

This inventor holds 10 USPTO granted patents. Top assignees: Chevron Research Company, Chevron Research. Active years: 1979-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen D Ziman. Retrieved from https://idiyas.com/inventor/stephen-d-ziman

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:

goldMedal8 out of 1,860 
 
Chevron Research Company
 patents
silverMedal2 out of 22 
 
Chevron Research
 patents

Years Active: 1979-1982

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10 patents (USPTO):Explore Patents
1. 4362548 - Herbicidal and plant-growth-regulating (1982-12-07),
2. 4336059 - Herbicidal and plant-growth-regulating N-(heterocyclyl)-methylacetanilide (1982-06-22),
3. 4326878 - Herbicidal and plant-growth-regulating (1982-04-27),
4. 4311849 - Process for making 3-(N-arylamino)-gamma-butyrothiolactones (1982-01-19),
5. 4282028 - Herbicidal and plant-growth-regulating (1981-08-04),
6. 4276420 - Herbicidal and plant-growth-regulating (1981-06-30),
7. 4230711 - Fungicidal n-substituted 4,4-dialkyl homophthalimides (1980-10-28),
8. 4224453 - Acylation of a lactone-substituted aniline compound in the absence of an (1980-09-23),
9. 4221584 - Herbicidal and plant-growth-regulating (1980-09-09),
10. 4139363 - Thiatriazolidin-4-one-2-oxide herbicides (1979-02-13),

Title: Stephen D. Ziman: Innovator in Herbicides and Plant Growth Regulators

Introduction

Stephen D. Ziman, based in San Francisco, CA, has made significant contributions to the field of herbicides and plant growth regulation. With an impressive portfolio of 10 patents, Ziman's work is characterized by innovative chemical compounds that contribute to agricultural efficiency and productivity.

Latest Patents

Among Stephen D. Ziman's latest patents are notable inventions related to herbicidal and plant-growth-regulating compounds. One patent features compounds of the formula where R1 and R2 are alkyl or halo, R3 is hydrogen or alkyl, Z is halo, and R4 is alkoxycarbonyl, alkoxy, phenyl, or substituted phenyl. Another recent patent focuses on N-(heterocyclyl)-methylacetanilide compounds, which display herbicidal and plant growth regulating activity. These compounds have complex structures designed for efficacy, showcasing Ziman's adeptness in chemical innovation.

Career Highlights

Throughout his career, Stephen D. Ziman has worked with reputable organizations, most notably the Chevron Research Company. His tenure in various research capacities has allowed him to hone his skills in developing innovative solutions in the agricultural sector, particularly in herbicide technology.

Collaborations

Ziman’s journey has been punctuated with valuable collaborations with coworkers Richard N. Reynolds, Jr. and David C. Chan. Together, they have aimed to advance the field of agricultural chemistry, leveraging their expertise to create effective herbicidal products.

Conclusion

Stephen D. Ziman stands out as a significant figure in the realm of herbicidal and plant-growth-regulating innovations. His extensive patents and impactful collaborations underscore his commitment to agricultural advancements, making him an influential inventor in his field.

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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