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For the Inventor, By the Inventor

Princeton, NJ, United States of America

Gerald Berkelhammer

This inventor holds 9 USPTO granted patents. Top assignee: American Cyanamid Company. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gerald Berkelhammer. Retrieved from https://idiyas.com/inventor/gerald-berkelhammer

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 86(Granted Patents)


Company Filing History:

goldMedal9 out of 3,580 
 
American Cyanamid Company
 patents

Years Active: 1976-1980

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9 patents (USPTO):Explore Patents
1. 4239777 - (-)-.alpha.-Cya (1980-12-16),
2. 4199595 - M-phenoxybenzyl and .alpha.-cyano-M-phenoxybenzyl esters of 2-haloalkyl (1980-04-22),
3. 4178460 - 2-Haloalkyl(oxy-, thio-, sulfinyl-, or sulfonyl)-phenylalkanoic acids (1979-12-11),
4. 4110345 - 2,2-Difluoro-1,3-benzodioxole-5-(.alpha.-alkyl)-acetic acids, and their (1978-08-29),
5. 4105780 - Insecticidal and acaricidal m-phenoxybenzyl esters of (1978-08-08),
6. 4065567 - Substituted nitroimidazolyl thiadiazoles and oxadiazoles as (1977-12-27),
7. 4026903 - Substituted 5-nitroimidazoles (1977-05-31),
8. 3991200 - Substituted nitroimidazolyl thiadiazoles and oxadiazoles as (1976-11-09),
9. 3940411 - 5-Amino-1-methyl-3-(1-methyl-5-nitro-2-imidazolyl)-1H-1,2,4-triazole (1976-02-24),

Title: Gerald Berkelhammer: Innovator in Insecticidal Compounds

Introduction

Gerald Berkelhammer is a notable inventor based in Princeton, NJ (US). He has made significant contributions to the field of chemistry, particularly in the development of insecticidal compounds. With a total of 9 patents to his name, Berkelhammer's work has had a considerable impact on agricultural science.

Latest Patents

One of his latest inventions is the compound (-)-.alpha.-cyano-m-phenoxybenzyl(+)-.alpha.-isopropyl-4-difluoromethoxyphenylacetate. This compound showcases his innovative approach to creating effective chemical solutions. Another significant patent involves m-phenoxybenzyl esters of 2-haloalkyl(oxy-, thio-, sulfinyl-, or sulfonyl)phenylalkanoic acids, which are recognized for their utility as insecticidal and acaricidal agents.

Career Highlights

Berkelhammer has spent a considerable part of his career at American Cyanamid Company, where he has been able to apply his expertise in chemistry to develop new products. His work has not only advanced the company's portfolio but has also contributed to the broader field of pest control.

Collaborations

Throughout his career, Berkelhammer has collaborated with esteemed colleagues such as Goro Asato and Venkataraman Kameswaran. These partnerships have fostered innovation and have led to the successful development of various chemical compounds.

Conclusion

Gerald Berkelhammer's contributions to the field of chemistry, particularly in the area of insecticidal compounds, highlight his role as a significant inventor. His innovative patents and collaborations continue to influence agricultural practices today.

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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