Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624143 | Process for preparing linear butenes from methanol | Markus Winterberg, Stephen Bowers, Joerg Schallenberg, Shahbaz Naeem, Oliver Markus Busch | 2017-04-18 |
| 9012564 | Polyethylene/3-substituted alkene film made with Ziegler-Natta or chromium oxide catalyst | Michael Grass, Stefan Buchholz, Gerhard Ellermann, Anne Britt Bjåland, Arild Follestad +1 more | 2015-04-21 |
| 8604142 | Polyolefin gas phase polymerization with 3-substituted C4-10-alkene | Michael Grass, Stefan Buchholz, Gerhard Ellermann, Pal Christian Bentzrod, Tore Dreng +1 more | 2013-12-10 |
| 6379711 | Phosphomolybdic acid stabilizer for hydrogen peroxide | Peter Frenkel | 2002-04-30 |
| 6225510 | Preparation of di-t-alkyl peroxides and t-alkyl hydroperoxides from n-alkyl ethers | Peter Frenkel, Lawrence R. Brecker | 2001-05-01 |
| 6180832 | Preparation of peroxyketals | Peter Frenkel | 2001-01-30 |
| 6153716 | Polyethylenes containing a unique distribution of short chain branching | M. Bruce Welch, Helmut G. Alt, Bernd Peifer, Syriac J. Palackal, Gary L. Glass +2 more | 2000-11-28 |
| 6100356 | Methods of (co)polymerizing vinyl and/or diene monomers and curing or crosslinking polymeric resins using a heteropoly acid peroxide promoter | Peter Frenkel | 2000-08-08 |
| 6054625 | Heteropolyacids as catalysts for a synthesis of ketone peroxides | Peter Frenkel, Delphine Nwoko | 2000-04-25 |
| 6001767 | Heteropoly acid peroxide promoter | Peter Frenkel | 1999-12-14 |
| 5814575 | Chromium compounds and uses thereof | William K. Reagen, Jeffrey W. Freeman | 1998-09-29 |
| 5786431 | Process for olefin polymerization | William K. Reagen, Jeffrey W. Freeman, Elizabeth A. Benham | 1998-07-28 |
| 5763723 | Chromium compounds and uses thereof | William K. Reagen, Jeffrey W. Freeman | 1998-06-09 |
| 5705725 | Aromatic alkali metal alkene addition process | Mark E. Lashier, Henry L. Hsieh | 1998-01-06 |
| 5622906 | Compositions useful for olefin polymerization and processes therefor and therewith | — | 1997-04-22 |
| 5594078 | Process for producing broad molecular weight polyolefin | M. Bruce Welch, Rolf L. Geerts, Syriac J. Palackal | 1997-01-14 |
| 5583189 | Polymerization processes | Rolf L. Geerts, Syriac J. Palackal, Robert M. Infield | 1996-12-10 |
| 5534473 | Catalyst systems for producing broad molecular weight polyolefin | M. Bruce Welch, Rolf L. Geerts, Syriac J. Palackal | 1996-07-09 |
| 5523507 | Process of trimerizing and oligomerizing olefins using chromium compounds | William K. Reagen, Jeffrey W. Freeman | 1996-06-04 |
| 5498581 | Method for making and using a supported metallocene catalyst system | M. Bruce Welch, Helmut G. Alt, Bernd Peifer, Syriac J. Palackal, Gary L. Glass +2 more | 1996-03-12 |
| 5496781 | Metallocene catalyst systems, preparation, and use | Rolf L. Geerts, Syriac J. Palackal, Robert M. Infield | 1996-03-05 |
| 5451645 | Process for olefin polymerization | William K. Reagen, Jeffrey W. Freeman, Elizabeth A. Benham | 1995-09-19 |
| 5401816 | Transition metal catalyst, method of preparing catalyst, polymerization process employing catalyst, and polymer produced | Henry L. Hsieh | 1995-03-28 |
| 5399539 | Polymerization catalysts and processes | William K. Reagen | 1995-03-21 |
| 5393719 | Catalysts for olefin polymerization | William K. Reagen, Shirley J. Martin | 1995-02-28 |