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For the Inventor, By the Inventor

Modesto, CA, United States of America

Charles H Tieman

This inventor holds 20 USPTO granted patents, primarily in Insecticide Development. Top assignees: Shell Oil Comapny, E. I. Du Pont Nemours and Co., Other. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles H Tieman. Retrieved from https://idiyas.com/inventor/charles-h-tieman

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

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 70(Granted Patents)


Company Filing History:

goldMedal18 out of 7,646 
 
Shell Oil Comapny
 patents
silverMedal1 out of 43 
 
E. I. Du Pont Nemours and Co.
 patents
bronzeMedal1 out of 834,570 
Other
 patents

Years Active: 1976-1989

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Areas of Expertise:
Insecticide
Phosphorothioate
Cyanomethyl Esters
Polymeric Compositions
Nitromethylene Compounds
Alpha-Aminooxy
Halobenzyl Esters
Stabilized Cyandhydrin
Diazacycloalkane Agents
Thiazine Derivatives
Dihydro Compounds
Pesticidal Formulations
20 patents (USPTO):Explore Patents
1. 4866045 - Tetrachloroethyl phosphorothioate soil insecticide (1989-09-12),
2. 4681947 - Preparation of optically-active cyanomethyl esters (1987-07-21),
3. 4582646 - Preparation of cyanomethyl esters (1986-04-15),
4. 4560515 - Preparation of optically-active cyanomethyl esters (1985-12-24),
5. 4537780 - Alpha-aminooxy isovalerate insecticides (1985-08-27),
6. 4360689 - .alpha.-Halobenzyl esters (1982-11-23),
7. 4360478 - Preparation of .alpha.-cyanobenzyl esters (1982-11-23),
8. 4302592 - Pesticidal (1981-11-24),
9. 4299843 - Stabilized cyandhydrin ester (1981-11-10),
10. 4232025 - Polymeric insecticidal compositions of matter (1980-11-04),
11. 4225603 - 2,2'-(Sulfinylbis(nitromethylidyne))bis(tetrahydro-2H-1,3-thiazine) (1980-09-30),
12. 4211780 - 2,2-(Thiobis(nitromethylidyne))bis(tetrahydro-2H-1,3-thiazine) and use (1980-07-08),
13. 4153626 - Preparation of .alpha.-cyanobenzyl esters (1979-05-08),
14. 4033954 - 3,4-Dihydro-7-hydroxy-8-nitro-2H-pyrrolo(2,1-b)-(1,3)thiazin-6(7H)-one (1977-07-05),
15. 4033953 - 3-(5,6-Dihydro-4H-1,3-thiazin-2-yl)-3-nitro-2-propenoic acid (1977-07-05),

Title: Charles H Tieman: A Pioneer in Agricultural Innovations

Introduction: Charles H Tieman, based in Modesto, CA, is a notable inventor with a significant contribution to the field of agricultural chemicals. With a portfolio of 20 patents, his innovative work primarily focuses on insecticides and chemical synthesis methods that have improved pest control techniques.

Latest Patents: Tieman's latest patents include the "Tetrachloroethyl phosphorothioate soil insecticide," which addresses the control of harmful insect larvae such as rootworms, cutworms, and wireworms by applying an effective insecticidal amount to their soil habitats. Another notable patent is the "Preparation of optically-active cyanomethyl esters," which involves the preparation of optically-active alpha-cyano esters using a unique chemical reaction with ketenes and alpha-hydroxynitriles.

Career Highlights: Throughout his career, Tieman has worked with prestigious companies, including Shell Oil Company and E. I. Du Pont Nemours and Co. His time at these organizations allowed him to develop and patent groundbreaking agricultural solutions, making significant strides in pest management.

Collaborations: Tieman's innovative journey has been enriched by collaborations with talented professionals in his field, including coworkers Willy D Kollmeyer and Steven A Roman. These partnerships have fostered a creative environment, leading to the successful development of various patented inventions.

Conclusion: Charles H Tieman's contributions to agricultural innovations highlight his dedication to advancing effective pest control methods. His numerous patents reflect his commitment to research and development, providing valuable solutions for farmers and the agricultural industry.

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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