P

Inventor

DUMAS DAVID H

US17 patents

Patents

17 patents
US4522686AJun 11, 1985

Aqueous sizing compositions

HERCULES INC114 citations96
US4279794AJul 21, 1981

Sizing method and sizing composition for use therein

HERCULES INC84 citations96
US4240935ADec 23, 1980

Ketene dimer paper sizing compositions

HERCULES INC66 citations96
US4904520AFeb 27, 1990

Gas-permeable, liquid-impermeable nonwoven material

HERCULES INC64 citations95
US5139615AAug 18, 1992

Composite sheet made from mechanically delaminated vermiculite

HERCULES INC59 citations94
US4317756AMar 2, 1982

Sizing composition comprising a hydrophobic cellulose-reactive sizing agent and a cationic polymer

HERCULES INC41 citations92
US4295931AOct 20, 1981

Sizing method and sizing composition for use therein

HERCULES INC35 citations92
US4243481AJan 6, 1981

Sizing compositions

HERCULES INC26 citations82
US3992345ANov 16, 1976

Water-dispersible thermosettable cationic resins and paper sized therewith

HERCULES INC22 citations82
US4478682AOct 23, 1984

Sizing method and sizing composition for use therein

HERCULES INC23 citations81
US4407994AOct 4, 1983

Aqueous sizing composition comprising ketene dimer and epihalohydrin/polyamino polyamide/bis(hexamethylene)triamine reaction product

HERCULES INC27 citations81
US3968317AJul 6, 1976

Water-dispersible thermosettable cationic resins and paper sized therewith

HERCULES INC13 citations73
US3990939ANov 9, 1976

Paper sized with ketene dimer modified water-dispersible thermosettable cationic resins

HERCULES INC8 citations72
US3989659ANov 2, 1976

Water-dispersible thermosettable cationic resins and paper sized therewith

HERCULES INC8 citations72
US3988280AOct 26, 1976

Water-dispersible thermosettable cationic resins and paper sized therewith

HERCULES INC10 citations72
US5176794AJan 5, 1993

Flame spread barrier made from mechanically delaminated vermiculite sheet

HERCULES INC11 citations71
US4380602AApr 19, 1983

Water-soluble thermosettable resinous compositions containing dicyandiamide-formaldehyde condensates modified with epihalohydrin and process for preparing the same

HERCULES INC4 citations62