JF

Johann-Wilhelm Frey

Dow Global Technologies: 5 patents #957 of 4,534Top 25%
The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
📍 Stade, DE: #18 of 220 inventorsTop 9%
Overall (All Time): #737,216 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8937145 Epoxy resin compositions Robert E. Hefner, Jr., Michael J. Mullins, Guillaume Metral, Bernd Hoevel 2015-01-20
7989514 Strong-acid cation exchange resins 2011-08-02
7586012 Process for recovering an adduct of a bis(4-hydroxyaryl)alkane and a phenolic compound Emil Patrascu, Manfred Hagel 2009-09-08
7067704 Process for purifying bisphenol-a Thomas C. Young, Damian Feord 2006-06-27
6740684 Process for producing a strong-acid cation exchange resin Mihail Paliuras, Damian Feord 2004-05-25
5723688 Process for preparing an adduct of a bisphenol with phenolic compound Emil Patrascu, Hartwig Sendner 1998-03-03
5288926 Process for preparing a bisphenol Emil Patrascu, Dieter Tank, Jochen Gressmann, Ulrich Wallbaum 1994-02-22