Inventor
SPONTAK RICHARD J
US8 patents
Patents
8 patentsUS6403663B1Jun 11, 2002
Method of making foamed materials using surfactants and carbon dioxide
UNIV NORTH CAROLINA STATE52 citations94
US6790870B1Sep 14, 2004
Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide
UNIV NORTH CAROLINA STATE37 citations89
US7658989B2Feb 9, 2010
Nano-and micro-cellular foamed thin-walled material, and processes and apparatuses for making the same
UNIV NORTH CAROLINA STATE7 citations71
US5900112AMay 4, 1999
Method of reducing the viscosity of a black liquor using thiocyanate salt
UNIV NORTH CAROLINA STATE13 citations69
US5635027AJun 3, 1997
Method of reducing the viscosity of a black liquor
UNIV NORTH CAROLINA STATE8 citations69
US7956520B2Jun 7, 2011
Electroactive nanostructured polymers as tunable organic actuators
UNIV NORTH CAROLINA STATE5 citations61
US12433832B2Oct 7, 2025
Aqueous mixtures comprising cellulose nanocrystals and sulfonated polyester
UNIV NORTH CAROLINA STATE0 citations54
US12421663B2Sep 23, 2025
Suspensions including cellulose nanofibril and polyester
UNIV NORTH CAROLINA STATE0 citations54