DK

David A. Kirchgessner

UA United States Of America Enviromental Protection Agency: 2 patents #1 of 12Top 9%
TA The United States Of America As Represented By The Environmental Protection Agency: 1 patents #7 of 43Top 20%
UA United States Environmental Protection Agency: 1 patents #2 of 35Top 6%
📍 Chapel Hill, NC: #661 of 1,999 inventorsTop 35%
🗺 North Carolina: #11,920 of 45,564 inventorsTop 30%
Overall (All Time): #1,292,780 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5427994 Lignosulfonate-modified calcium hydroxide for SO.sub.2 control during furnace injection Jeffrey M. Lorrain 1995-06-27
5135729 Lignosulfonate-modified calcium hydroxide for SO.sub.2 control during furnace injection Jeffrey M. Lorrain 1992-08-04
4882309 Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection Jeffrey M. Lorrain 1989-11-21
4786485 Lignosulfonate-modified calcium hydroxide for SO.sub.2 control during furnace injection Jeffrey M. Lorrain 1988-11-22