Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7589150 | Low molecular weight isotactic polypropylene polymers, copolymers and derivatives and materials prepared therewith | Satyarayana Nistala, Leon L. Otte, Kent D. Fudge, Thomas Clark, David Truong +1 more | 2009-09-15 |
| 7183359 | Polypropylene having a high maleic anhydride content | David Truong | 2007-02-27 |
| 5723574 | Removal of catalyst residues from polyketone compositions | Andrzej M. Piotrowski | 1998-03-03 |
| 5703201 | Catalyst for polymerization of polyketone formed by treatment with carbon monoxide and olefin | — | 1997-12-30 |
| 5567801 | Gas phase process for forming polyketones | Teresa M. Cheron | 1996-10-22 |
| 5565546 | Copolymer of carbon monoxide and ethylene containing ketal structures | Andrzej M. Piotrowski, Bert Jan Lommerts, Steven R. Leijenaar, Gerrit Hoentjen | 1996-10-15 |
| 5523385 | Polymerization of carbon monoxide and ethylene using catalyst containing non-coordinating, non-acidic anion | Andrzej M. Piotrowski, Kelly B. Triplett | 1996-06-04 |
| 5506338 | Polymerization of carbon monoxide and ethylene using catalyst containging non-coordinating, non-acidic anion | Andrzej M. Piotrowski, Kelly B. Triplett | 1996-04-09 |
| 5494998 | Polymerization of carbon monoxide and ethylene using catalyst containing non-coordinating, non-acidic anion | Andrzej M. Piotrowski, Kelly B. Triplett | 1996-02-27 |
| 5440010 | Gas phase process for forming polyketones | Teresa M. Cheron, Claude Peterson | 1995-08-08 |
| 5412070 | Polyketone copolymers of high bulk density and non-reactivity | Teresa M. Cheron | 1995-05-02 |
| 5384393 | Copolymer of carbon monoxide and propylene and process for its formation | Andrzej M. Piotowski, David L. Kershner | 1995-01-24 |
| 5331083 | Gas phase process for forming polyketones | Teresa M. Cheron | 1994-07-19 |
| 5270441 | Copolymer of carbon monoxide and propylene produced in water/ketone solvent | Andrzej M. Piotrowski, David L. Kershner | 1993-12-14 |
| 5231164 | Removal of catalyst residue from polyketone solution with silica gel or metal oxide containing water or hydroxyl functionality | Andrzej M. Piotrowski | 1993-07-27 |
| 5102843 | Catalyst and catalytic process for preparation of polyketones | Andrzej M. Piotrowski | 1992-04-07 |