DM

Donald Douglas May

EA E.I. Du Pont De Nemours And: 16 patents #357 of 8,010Top 5%
DE Dupont Electronics: 1 patents #56 of 125Top 45%
📍 Chadds Ford, PA: #26 of 258 inventorsTop 15%
🗺 Pennsylvania: #4,155 of 74,527 inventorsTop 6%
Overall (All Time): #274,126 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10822746 Wallpaper Zhang Honggui 2020-11-03
9637657 Liquid fluoropolymer coating composition and fluoropolymer coated film Brian C. Auman 2017-05-02
7947770 Flame retardant polycarbonate compositions Christopher P. Junk 2011-05-24
7888408 Treated inorganic metal containing powders and polymer films containing them 2011-02-15
7723414 Antistatic system for polymers 2010-05-25
7338995 Titanium dioxide—containing polymers and films with reduced melt fracture Bernd Zimmermann 2008-03-04
5847134 Fluorocarbon-containing isocyanate derivatives and soil-resist agents 1998-12-08
5827919 Fluorourethane additives for water-dispersed coating compositions 1998-10-27
5707949 Prevention of dye-bleeding and transfer during laundering Robert Craig Buck 1998-01-13
5681902 Process for the perfluoroalkylation of substances having terminal unsaturation 1997-10-28
5460891 Substrates treated with bis(hydroxyphenyl)sulfone stain-resists Robert Craig Buck, Engelbert Pechhold 1995-10-24
5447755 Substrates treated with bis(hydroxyphenyl) sulfone stain-resists Engelbert Pechhold, Robert Craig Buck 1995-09-05
5427859 Fluoroorganic soil-resist agents 1995-06-27
5408010 Fluoroorganic soli-resist agents 1995-04-18
5276194 Polyfluoroalkylation of aromatic compounds 1994-01-04
5233104 Process for trifluoromethylation of aromatic compounds 1993-08-03
5068436 Hydrogenation of halonitrobenzenes without dehalogenation 1991-11-26