JL

John J. Leonard

AR Atlantic Richfield: 25 patents #9 of 1,061Top 1%
AL Alza: 6 patents #105 of 419Top 30%
DU Durect: 4 patents #25 of 96Top 30%
AT Arco Chemical Technology: 1 patents #171 of 285Top 60%
📍 Olivehurst, CA: #1 of 19 inventorsTop 6%
🗺 California: #13,267 of 386,348 inventorsTop 4%
Overall (All Time): #93,748 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4443648 Methane conversion C. Andrew Jones, John A. Sofranko 1984-04-17
4443649 Methane conversion C. Andrew Jones, John A. Sofranko 1984-04-17
4443646 Methane conversion C. Andrew Jones, John A. Sofranko 1984-04-17
4443645 Methane conversion C. Andrew Jones, John A. Sofranko 1984-04-17
4443644 Methane conversion C. Andrew Jones, John A. Sofranko 1984-04-17
4443647 Methane conversion C. Andrew Jones, John A. Sofranko 1984-04-17
4393038 Hydrogen peroxide production Hsiang-Ning Sun, Harold Shalit 1983-07-12
4292254 Preparation of polyisocyanates from polycarbamates 1981-09-29
4290968 Preparation of polyisocyanates from polycarbamates 1981-09-22
4264342 Thermally condensed mixture of polyacrylonitrile and ferrous acetate as carbon monoxide adsorbent Mary T. Arnold, John J. McCoy 1981-04-28
4247524 Preparation of zeolite A by hydrothermal treatment of clinoptilolite 1981-01-27