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For the Inventor, By the Inventor

Doylestown, PA, United States of America

Roy Y Yih

USPTO Granted Patents = 24

Average Co-Inventor Count = 2.6

ph-index = 8

Forward Citations = 203(Granted Patents)


Company Filing History:

goldMedal24 out of 3,389 
 
Rohm and Haas Company
 patents

Years Active: 1976-1991

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24 patents (USPTO):Explore Patents
1. 5028732 - Herbicidally active amino diphenyl ethers (1991-07-02),
2. 4806682 - Sulfonium salts of diphenyl ethers (1989-02-21),
3. 4772744 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1988-09-20),
4. 4662935 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1987-05-05),
5. 4613360 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1986-09-23),
6. 4594100 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1986-06-10),
7. 4515988 - Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers (1985-05-07),
8. 4445930 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1984-05-01),
9. 4422868 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1983-12-27),
10. 4415354 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1983-11-15),
11. 4335249 - Herbicidal diphenyl ethers, sulfides, sulfoxides and sulfones (1982-06-15),
12. 4330324 - Herbicidal 4-trifluoromethyl 4-nitrodiphenyl ethers (1982-05-18),
13. 4220468 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1980-09-02),
14. 4219352 - Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers (1980-08-26),
15. 4185995 - Herbicidal 4-trifluoromethyl-4'nitrodiphenyl ethers (1980-01-29),

Title: Innovations and Contributions of Roy Y Yih in Herbicide Development

Introduction

Roy Y Yih, based in Doylestown, PA, is a distinguished inventor recognized for his significant contributions to the field of herbicide development. With an impressive portfolio of 24 patents, Yih's innovations focus on novel compounds that effectively combat unwanted vegetation while maintaining agricultural productivity.

Latest Patents

Among his recent patents, Yih has developed several innovative formulations. One of his notable patents is related to herbicidally active amino diphenyl ethers. This invention includes compounds defined by the formula wherein various substituents enhance the efficacy of these herbicides. Another significant contribution is the development of sulfonium salts of diphenyl ethers, which demonstrate herbicidal activity and showcase the ongoing evolution in the chemistry of weed control.

Career Highlights

Roy Y Yih currently works at Rohm and Haas Company, a respected name in chemical solutions. Through his career, he has continuously pushed the boundaries of agricultural science, contributing crucial research and patentable inventions aimed at improving crop yields and sustainable farming practices.

Collaborations

Yih has collaborated with esteemed colleagues such as Horst O Bayer and Colin Swithenbank. These partnerships highlight the collaborative spirit of innovation and the sharing of expertise within the field, which ultimately drives the development of more effective agricultural chemicals.

Conclusion

Roy Y Yih's innovative work in herbicide development has made a significant impact on the agricultural industry. With a robust patent portfolio and collaborations with leading experts, his contributions continue to shape the future of effective and environmentally friendly weed management.

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