HZ

Hermann A. Zinnen

UO Uop: 34 patents #74 of 1,854Top 4%
AL Alliedsignal: 2 patents #730 of 2,631Top 30%
📍 Evanston, IL: #33 of 1,719 inventorsTop 2%
🗺 Illinois: #1,410 of 84,256 inventorsTop 2%
Overall (All Time): #91,070 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
4770819 Process for separating di- and triglycerides 1988-09-13
4721807 Process for separating 2,6-toluene diisocyanate from isomers of toluene diisocyanate 1988-01-26
4721806 Process for separating 2,4-toluene diisocyanate from isomers of toluene diisocyanate 1988-01-26
4717778 Process for separating the minor isomers of dinitrotoluene Thad S. Franczyk 1988-01-05
4714783 Separation of nitrobenzaldehyde isomers Thad S. Franczyk 1987-12-22
4642397 Process for separating isomers of dinitrotoluene Thad S. Franczyk 1987-02-10
4633018 Process for separating isomers of toluenediamine 1986-12-30
4620047 Process for the separation of ortho-nitrotoluene 1986-10-28
4605783 Process for separating monoterpenes 1986-08-12
4594423 Separation of picoline isomers 1986-06-10
4480129 Process for separating isomers of toluidine James W. Priegnitz 1984-10-30
4467126 Process for the separation of di-substituted benzene 1984-08-21