RY

Roy Y. Yih

Rohm And Haas: 17 patents #88 of 2,359Top 4%
📍 Doylestown, PA: #59 of 956 inventorsTop 7%
🗺 Pennsylvania: #3,862 of 74,527 inventorsTop 6%
Overall (All Time): #260,913 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
5028732 Herbicidally active amino diphenyl ethers Ann H. Beaulieu 1991-07-02
4806682 Sulfonium salts of diphenyl ethers 1989-02-21
4772744 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1988-09-20
4662935 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1987-05-05
4613360 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1986-09-23
4594100 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1986-06-10
4515988 Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1985-05-07
RE31731 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1984-11-13
4445930 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1984-05-01
4422868 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1983-12-27
RE31455 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1983-12-06
4415354 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1983-11-15
4335249 Herbicidal diphenyl ethers, sulfides, sulfoxides and sulfones Wayne O. Johnson 1982-06-15
4330324 Herbicidal 4-trifluoromethyl 4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1982-05-18
4220468 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1980-09-02
4219352 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1980-08-26
RE30361 Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1980-08-05
4185995 Herbicidal 4-trifluoromethyl-4'nitrodiphenyl ethers Horst O. Bayer, Colin Swithenbank 1980-01-29