AS

A. Lee Stautzenberger

CR Celanese Engineering Resins: 1 patents #1 of 4Top 25%
HC Hoechst Celanese: 1 patents #51 of 147Top 35%
📍 Nueces, TX: #1 of 3 inventorsTop 35%
🗺 Texas: #331 of 4,134 inventorsTop 9%
Overall (1989): #31,814 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4868324 Purification of diphenyl phthalates Ellen A. Langford, Edward E. Quick 1989-09-19
4803295 Purification of diphenyl phthalates Robert Kunkel 1989-02-07