Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351777 | Retarded anionic polymerization of vinyl aromatic monomers using insoluble or heterogeneous retardants | Eugene R. Moore | 2008-04-01 |
| 7320201 | Wall construction | Robert Kitchen | 2008-01-22 |
| 6573349 | High molecular weight monovinylidene aromatic polymers with good processability | Jose M. Rego, Ludo M. Aerts, Mehmet Demirors | 2003-06-03 |
| 6503992 | Phosphorous-containing monomers and flame retardant high impact monovinylidene aromatic polymer compositions derived therefrom | Steven R. Mitchell, H. James Harwood, William G. Stobby, Kyung W. Suh | 2003-01-07 |
| 6214945 | Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions | William C. Pike, James M. Roe, Jose M. Rego | 2001-04-10 |
| 6156855 | Production of branched polymers | — | 2000-12-05 |
| 6084044 | Catalyzed process for producing high molecular weight monovinylidene aromatic polymers | James M. Roe, Jose M. Rego | 2000-07-04 |
| 5990255 | High molecular weight polysytrene production by vinyl acid catalyzed free radical polymerization | Virginia A. Dais | 1999-11-23 |
| 5962605 | High molecular weight polystyrene production by vinyl acid catalyzed free radical polymerization | Virginia A. Dais | 1999-10-05 |
| 5959033 | Polymers containing highly grafted rubbers | Mehmet Demirors, Nicolaas M.A. Hermans, Rudi Veraart, Albert J. Heuvelsland, Kevin D. Sikkema | 1999-09-28 |
| 5948874 | Acid catalyzed polymerization | William C. Pike | 1999-09-07 |
| 5721320 | In situ block copolymer formation during polymerization of a vinyl aromatic monomer | Irene Qian Li | 1998-02-24 |
| 5677388 | Difunctional living free radical polymerization initiators | Robert A. Koster, Irene Qian Li | 1997-10-14 |
| 5663252 | Process for preparing a branched polymer from a vinyl aromatic monomer | William C. Pike, Peter Vollenberg | 1997-09-02 |
| 5650106 | Extruded foams having a monovinyl aromatic polymer with a broad molecular weight distribution | Andrew N. Paquet, Chau V. Vo, William C. Pike, Jerry L. Hahnfeld | 1997-07-22 |
| 5627248 | Difunctional living free radical polymerization initiators | Robert A. Koster, Irene Qian Li | 1997-05-06 |
| 5618900 | Free radical polymerization | Ray E. Drumright, Robert H. Terbrueggen, Robert A. Koster | 1997-04-08 |
| 5473031 | Branched polystyrene production by free radical bulk polymerization | Sheila M. Tinetti | 1995-12-05 |
| 5408023 | Preparation of modified vinyl polymers | Brian R. Maurer | 1995-04-18 |
| 5347055 | Oligomers of styrene as flegmatizers for organic peroxides | Mehmet Demirors | 1994-09-13 |
| 5194658 | Process for making 2-amino-3-methyl-1-naphthalenecarbonitrile | Edmund J. Stark | 1993-03-16 |
| 5194527 | Preparation of ketone containing photodegradable polymers | James J. O'Brien, Kevin D. Sikkema | 1993-03-16 |
| 5187249 | Degradable B-alkoxy vinyl ketone resin composition | Virginia A. Dais | 1993-02-16 |
| 5145924 | Free radical polymerization of styrene monomer | Eric James Shero, James J. O'Brien | 1992-09-08 |
| 5115055 | Hydroperoxide catalyzed free radical polymerization of vinyl aromatic monomers | Virginia A. Dais | 1992-05-19 |