NJ

Norman Johnson

GE: 9 patents #3,747 of 36,430Top 15%
SB Sabic Innovative Plastics B.V.: 4 patents #142 of 817Top 20%
SB Sabic Global Technologies B.V.: 2 patents #558 of 1,595Top 35%
Overall (All Time): #323,801 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10407397 Method for isolation of a dianhydride and dianhydrides prepared by the method Aaron Royer, Robert Werling, Jorge Jimenez 2019-09-10
9181395 Optimized emulsion drying process for making micronized polyetherimide polymers Viswanathan Kalayaraman, Donald E. Owens, III, Albert Santo Stella, David Woodruff, Paul Edward Howson 2015-11-10
8729214 Mixtures resulting from methods for purification of polyether polymers Beatriz Penalver Bernabe, Thomas Link Guggenheim, David Bruce Hall, Juan Justino Rodriguez Ordonez, David Woodruff 2014-05-20
8592548 Method to prepare bis(haloimides) John Yupeng Gui, Thomas Link Guggenheim, David Woodruff, James Manio Silva, Farid Fouad Khouri 2013-11-26
8372941 Method for purification of polyether polymers and mixtures resulting therefrom Beatriz Penalver Bernabe, Thomas Link Guggenheim, David Bruce Hall, Juan Justino Rodriguez Ordonez, David Woodruff 2013-02-12
7714095 Phase transfer catalyzed method for preparation of polyetherimides Daniel J. Brunelle, Havva Acar, Farid Fouad Khouri, Thomas Link Guggenheim, David Woodruff 2010-05-11
7125954 Method for producing polyether polymers Thomas Link Guggenheim, Ganesh Kailasam, Pradeep Nadkarni, David Woodruff 2006-10-24
7122619 Method of separating a polymer from a solvent Norberto Silvi, Mark Howard Giammattei, Jan Keulen, David Woodruff, Paul R. Wilson +1 more 2006-10-17
7115785 Method for making salts hydroxy-substituted hydrocarbons Thomas Link Guggenheim, Daniel J. Brunelle, David Woodruff, Lee H. Bergman, Matthew Hal Littlejohn +1 more 2006-10-03
6949622 Method of separating a polymer from a solvent Norberto Silvi, Mark Howard Giammattei, Jan Keulen, David Woodruff, Paul R. Wilson +1 more 2005-09-27
6790934 Method for purification of aromatic polyethers Raul Eduardo Ayala, Thomas Joseph Fyvie, Amy Rene Freshour, David Woodruff, Peter D. Phelps +7 more 2004-09-14
6630568 Method for purification of aromatic polyethers Raul Eduardo Ayala, Thomas Joseph Fyve, Amy Rene Freshour, David Woodruff, Peter D. Phelps +1 more 2003-10-07
6251354 Process for recovering sodium nitrite Robert E. Greenwell, Thomas Link Guggenheim, Roy Ray Odle, Jimmy Lynn Webb 2001-06-26
5030773 Process for the production of butanediol Richard T. Miskinis, Richard A. Shafer 1991-07-09
4652685 Hydrogenation of lactones to glycols James Norman Cawse, Michael T. Whitaker 1987-03-24