HE

Herbert H. Espy

HE Hercules: 8 patents #43 of 715Top 7%
Overall (All Time): #668,409 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5674358 Repulping wet strength paper and paperboard with persulfate and a carbonate buffer 1997-10-07
5656699 Oligoamide-epichlorohydrin resins as drainage aids Sunil P. Dasgupta 1997-08-12
H1613 Polyamide-epichlorohydrin wet-strength resins with reduced content of 1996-11-05
5338807 Synthesis of creping aids based on polyamides containing methyl bis(3-aminopropylamine) William W. Maslanka 1994-08-16
5316623 Absorbance and permanent wet-strength in tissue and toweling paper 1994-05-31
5275698 Enhancement of tissue paper softness with minimal effect on strength Sunil P. Dasgupta 1994-01-04
4751337 Conversion of solid dicyclopentadiene to a liquid monomer for use in reaction injection molding Albert S. Matlack 1988-06-14
4458042 Absorbent material 1984-07-03