Enter inventor name

Charles H Tieman

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

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:

E. I. Du Pont Nemours and Co.

patents

1 out of 834,411

Other

patents

Years Active: 1976-1989

Loading Chart...

20 patents (USPTO):Sort by Forward CitationsExplore 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.

Please report any incorrect information to [email protected]