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For the Inventor, By the Inventor

Newport Beach, CA, United States of America

Amvac Chemical Corporation


USPTO Granted Patents = 63



Trademarks = 107

Forward Citations = 338

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41 inventors (with patents filed for the assignee):

goldMedal Richard L Rice (31 out of 32 patents)

silverMedal Larry M Conrad (23 out of 32 patents)

bronzeMedal Keith F Woodruff (14 out of 77 patents)

4.  Brian Kaltner (10 out of 11 patents)

5.  Eric G Wintemute (9 out of 9 patents)

6.  Richard M Porter (9 out of 11 patents)

7.  Kent James (8 out of 8 patents)

8.  John Junior Richardson (8 out of 11 patents)

9.  Rex A Rysdam (7 out of 8 patents)

10.  Humberto Benito Lopez (6 out of 7 patents)

11.  D Ry Wagner (5 out of 28 patents)

12.  Nathaniel R Claussen (5 out of 6 patents)

13.  Peter J Porpiglia (5 out of 6 patents)

14.  Sung-Yong Harrison Yoon (5 out of 10 patents)

15.  Kathleen Swords (4 out of 4 patents)


Core Competencies:
Pesticide Formulation
Microbial Consortia
Seed Treatment
Container Tracking
Controlled-Release Fertilizers
Dispersible Herbicides
Agricultural Dispensing
Liquid Chemicals
Application Rate Monitoring
Rheology Modifier
Agricultural Product Transport
Pre-Emergent Weed Control

63 patents:

1. 12648504 - Secure and verifiable tracking of agricultural products (2026-06-09),
2. 12477971 - System and method for dispensing agricultural products while synchronizing seed placement (2025-11-25),
3. 12477970 - Tagged container tracking (2025-11-25),
4. 12378165 - Pesticide formulation comprising MFC as rheology modifier (2025-08-05),
5. 12342825 - Microbial consortia producing dipicolinic acid and methods for selecting microbes for co-formulation with carriers (2025-07-01),
6. 12171156 - System for providing prescriptive application of multiple products (2024-12-24),
7. 12048265 - System and method for dispensing agricultural products (2024-07-30),
8. 12004445 - System and process for dispensing multiple and low rate agricultural products (2024-06-11),
9. 11991945 - System and method for treating individual seeds with liquid chemicals during the planting process (2024-05-28),
10. D1010457 - Container (2024-01-09),
11. 11864485 - Tagged container tracking (2024-01-09),
12. 11825763 - Tagged container tracking (2023-11-28),
13. 11793102 - Tagged container tracking (2023-10-24),
14. D999446 - Container for dry products (2023-09-19),
15. 11740111 - Supply tube assembly for monitoring a directed stream measuring the liquid of an agricultural product application rate through a supply tube (2023-08-29),
Company Overview
Amvac Chemical Corporation, based in Newport Beach, California, specializes in the development and manufacturing of agricultural products aimed at enhancing crop protection and productivity. The company focuses on innovative solutions such as pesticide formulations, microbial consortia, and seed treatments, which are designed to meet the evolving needs of modern agriculture. Additionally, Amvac is engaged in advanced technologies including controlled-release fertilizers and dispersible herbicides, contributing to sustainable farming practices and efficient agricultural dispensing systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Amvac Chemical Corporation USPTO Patent Assignee Logo
63 Patents

#6 in Newport Beach, CA

#1,345 in California

#5,760 in US

#11,627 in the World

Newport Beach, CA (US)
Newport Beach, CA, United States of America

Amvac Chemical Corporation

Forward Citations = 338

41 inventors:

goldMedal Richard L Rice (31 out of 32 patents)

silverMedal Larry M Conrad (23 out of 32 patents)

bronzeMedal Keith F Woodruff (14 out of 77 patents)

4.  Brian Kaltner (10 out of 11 patents)

5.  Eric G Wintemute (9 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Amvac Chemical Corporation. Retrieved from https://idiyas.com/company/amvac-chemical

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

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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