HJ

Howard Johnston

The Dow Chemical: 13 patents #190 of 4,115Top 5%
CT Ciba Specialty Chemicals Water Treatments: 1 patents #50 of 120Top 45%
📍 Walnut Creek, CA: #121 of 1,300 inventorsTop 10%
🗺 California: #40,325 of 386,348 inventorsTop 15%
Overall (All Time): #327,970 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6475341 Process for making paper Lesley Collett 2002-11-05
RE33478 Pyridyl(oxy/thio)phenoxy compounds herbicidal compositions and methods Lillian H. Troxell 1990-12-11
4851539 2,3-Difluoropyridine and 3-fluoro-2-pyridinyloxyphenol compounds Lillian H. Troxell 1989-07-25
4753673 Trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanoic acids and propanols and derivatives thereof and methods of herbicidal use Lillian H. Troxell 1988-06-28
4678509 Certain pyridyloxy or thio-phenoxy-propanoic acids or salts thereof useful as herbicides Lillian H. Troxell 1987-07-07
4628099 Trifluoromethyl pyridinyloxyphenoxy propanoic acid chlorides Lillian H. Troxell 1986-12-09
4565568 Pyridyl(oxy/thio)phenoxy compounds, herbicidal compositions and methods Lillian H. Troxell 1986-01-21
4551170 Herbicidal trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanols and derivatives thereof Lillian H. Troxell 1985-11-05
4523017 Preparation of trifluoromethyl pyridinyloxyphenoxy propanoic acids and propanols and derivatives thereof Lillian H. Troxell 1985-06-11
4491468 Herbicidal trifluoromethyl pyridinyloxyphenoxy and pyridinylthiophenoxy propanenitriles and derivatives thereof Lillian H. Troxell 1985-01-01
4479001 Trifluoromethyl pyridinylthiophenoxy propanoic acids and propanols and derivatives thereof Lillian H. Troxell 1984-10-23
4390904 Automatic circuit and method for editing commercial messages from television signals Michael E. Koombes 1983-06-28
4360524 Ethers of 6-halo-4-halomethylpyridines and their fungicidal compositions and use 1982-11-23
4330321 Compounds and method for selectively controlling grassy weeds in broadleaved crops 1982-05-18
4236912 Quinolinyloxyphenoxy and quinolyinylthiophenoxy alkanoic acids and derivatives thereof and methods of herbicidal use Lillian H. Troxell, Jon S. Claus 1980-12-02