DD

Darrell J. Donaldson

US USDA: 2 patents #601 of 2,828Top 25%
📍 Metairie, LA: #156 of 530 inventorsTop 30%
🗺 Louisiana: #3,194 of 10,876 inventorsTop 30%
Overall (All Time): #2,302,719 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5221285 Catalysts and processes for formaldehyde-free durable press finishing of cotton textiles with polycarboxylic acids, and textiles made therewith Bethlehem K. Andrews, Nancy M. Morris, Clark M. Welch 1993-06-22
4280812 Method of imparting smolder resistance to cotton-containing textiles Robert J. Harper, Jr. 1981-07-28