DC

David L. Childress

The Dow Chemical: 3 patents #25 of 336Top 8%
📍 Angleton, TX: #2 of 12 inventorsTop 20%
🗺 Texas: #73 of 2,272 inventorsTop 4%
Overall (1982): #5,411 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4358405 Process for the preparation of ethylenimine William V. Hayes 1982-11-09
4350830 Method for making acrylic acid from acrolein William V. Hayes, Richard L. Poppe 1982-09-21
4316708 Machine for continuously molding solid pellets from a mud composition Allen G. Skach, William V. Hayes 1982-02-23