HA

Helmut G. Alt

PP Phillips Petroleum: 8 patents #3 of 130Top 3%
WA Wacker Chemie Ag: 1 patents #14 of 92Top 20%
📍 Bayreuth, OK: #1 of 2 inventorsTop 50%
Overall (2002): #2,291 of 266,432Top 1%
9
Patents 2002

Issued Patents 2002

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6482967 Metallocenes, polymerization catalyst systems, their preparation, and use Alexander Koppl, M. Bruce Welch 2002-11-19
6482905 Unsymmetric unbridged bis-indenyl metallocenes and their use Roland Schmidt, Matthias Deppner, M. Bruce Welch 2002-11-19
6475947 Oligomeric metallocenes and their use Erik Licht, M. Bruce Welch, Bryan E. Hauger 2002-11-05
6458905 Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalysts Roland Schmidt, Ulrich Hammon, M. Bruce Welch, Bryan E. Hauger, Ronald D. Knudsen 2002-10-01
6420579 Organometallic fluorenyl compounds, preparation, and use Syriac J. Palackal, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh +3 more 2002-07-16
6403734 Organometallic fluorenyl compounds, preparation, and use Syriac J. Palackal, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh +3 more 2002-06-11
6372930 Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use Peter Schertl, M. Bruce Welch, Bernd Peifer, Syriac J. Palackal 2002-04-16
6358876 Organo-aluminum compounds immobilized on organopolysiloxane microgel particles Frank Baumann, Johann Weis, Alexander Koppl 2002-03-19
6340651 Multicyclic metallocycle metallocenes and their use Erik Licht, M. Bruce Welch 2002-01-22