ES

Ernest B. Spitzner

HL Henkel Limited: 5 patents #112 of 861Top 15%
📍 Minneapolis, MN: #1,335 of 6,114 inventorsTop 25%
🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%
Overall (All Time): #1,066,859 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4294961 Benzothiazine 1,1-dioxides 1981-10-13
4252732 Processing of steroids containing amino functionality Leroy O. Krbechek, James P. Clark 1981-02-24
4252959 Sulfonylhydrazines, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values 1981-02-24
4251664 Sulfonamidothiadiazoles, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values 1981-02-17
4237062 Sulfonylthiosemicarbazides, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values 1980-12-02