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For the Inventor, By the Inventor

East Windsor, NJ, United States of America

Charles Paul Grasso

This inventor holds 9 USPTO granted patents. Top assignee: American Cyanamid Company. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Paul Grasso. Retrieved from https://idiyas.com/inventor/charles-paul-grasso

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 = 1.5

ph-index = 2

Forward Citations = 22(Granted Patents)


Location History:

  • Cranbury, NJ (US) (1976)
  • East Windsor, NJ (US) (1977 - 1983)
  • Princeton, NJ (US) (1985)
  • Somerset, NJ (US) (1993)

Company Filing History:

goldMedal9 out of 3,580 
 
American Cyanamid Company
 patents

Years Active: 1976-1993

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9 patents (USPTO):Explore Patents
1. 5250502 - Method for enhancing the herbicidal activity of formulations containing (1993-10-05),
2. 4537988 - Process for the preparation of 2-(4-hydroxyphenyl)-3-methylbutyric acid (1985-08-27),
3. 4377531 - Method for the alkylation of phenylacetonitriles (1983-03-22),
4. 4359580 - Process for the preparation of sulfur ylide intermediates of (1982-11-16),
5. 4087612 - Process for preparing pyrazolidines compounds (1978-05-02),
6. 4021227 - Method for controlling undesirable plant species (1977-05-03),
7. 3997325 - (Alkynyloxy)alkyl and (alkenyloxy)alkyl carbamates and their use as (1976-12-14),
8. 3954441 - (Alkynyloxy)alkyl and (alkenyloxy)alkyl carbamates and their use as (1976-05-04),
9. 3948936 - Novel pyrazolidines useful as herbicides (1976-04-06),

Title: The Innovations of Charles Paul Grasso

Introduction

Charles Paul Grasso is a notable inventor based in East Windsor, NJ (US). He has made significant contributions to the field of herbicidal formulations and chemical processes. With a total of 9 patents to his name, Grasso's work has had a considerable impact on agricultural chemistry.

Latest Patents

One of Grasso's latest patents is a method for enhancing the herbicidal activity of formulations containing solid, imidazolinyl benzoic acid esters. This method involves adjusting the pH of the formulations, when diluted for spray application, to a pH of about 1.0 to 3.8 by adding an alkali metal bisulfate, ammonium bisulfate, or a mixture thereof. Additionally, he has developed a stable, non-aqueous, solid formulation of an imidazolinyl benzoic acid ester combined with an alkali metal bisulfate or ammonium bisulfate. Another significant patent is for an integrated process for the preparation of 2-(4-hydroxyphenyl)-3-methylbutyric acid. This process involves hydrolysis of the corresponding nitrile by strong base to yield the carboxylic acid, followed by nucleophilic displacement of chlorine with a strong base in the presence of copper salts.

Career Highlights

Grasso has spent a considerable part of his career at American Cyanamid Company, where he has been able to apply his innovative ideas and research. His work has contributed to advancements in herbicide formulations and chemical processes, showcasing his expertise in the field.

Collaborations

Throughout his career, Grasso has collaborated with notable colleagues such as Barrington Cross and Bryant Leonidas Walworth. These collaborations have further enriched his work and contributed to the success of his inventions.

Conclusion

Charles Paul Grasso is a distinguished inventor whose contributions to agricultural chemistry and chemical processes have been significant. His innovative patents and collaborations reflect his dedication to advancing the 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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