Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851032 | Dehydrohalogenation reactor and process | Haluk Kopkalli, Ron Joseph Roof, Yuon Chiu, Hsueh Sung Tung, Haiyou Wang | 2020-12-01 |
| 9394217 | Staged fluorination process and reactor system | Yuon Chiu, Haluk Kopkalli, Daniel C. Merkel | 2016-07-19 |
| 8784763 | Methods and reactor designs for producing phosphorus pentafluoride | Matthew H. Luly, Haridasan K. Nair, Philip DePrato, Konstantin A. Pokrovski, Daniel C. Merkel +3 more | 2014-07-22 |
| 8778246 | Method for preparing polyurethane urea-containing films | Yingchao Zhang | 2014-07-15 |
| 8017720 | Sulfur-containing oligomers and high index polyurethanes prepared therefrom | Nina V. Bojkova, Robert D. Herold, William H. McDonald, Marvin J. Graham | 2011-09-13 |
| 7491790 | Sulfide-containing polythiols | Nina V. Bojkova | 2009-02-17 |
| 7473754 | Optical resin composition | Michael O. Okoroafor, Marvin J. Graham, Robert D. Herold | 2009-01-06 |
| 7411034 | Sulfide-containing polythiols | Nina V. Bojkova | 2008-08-12 |
| 7098290 | Method of preparing an optical polymerizate | Michael O. Okoroafor, Rifat Tabakovic, Marvin J. Graham, Robert D. Herold | 2006-08-29 |
| 7087698 | Method of preparing an optical polymerizate | Michael O. Okoroafor | 2006-08-08 |
| 7009032 | Sulfide-containing polythiols | Nina V. Bojkova | 2006-03-07 |
| 6733887 | Photochromic coated high impact resistant articles | Michael O. Okoroafor | 2004-05-11 |
| 6669873 | Optical resin composition comprising thiol-ene prepolymer | Robert D. Herold, Michael O. Okoroafor | 2003-12-30 |
| 6631021 | Polyfunctional thiirane compounds | Michael O. Okoroafor, Marvin J. Graham | 2003-10-07 |
| 6531076 | Photochromic organic resin composition | John C. Crano, Carol L. Knox, Michael O. Okoroafor, Rifat Tabakovic | 2003-03-11 |
| 6342571 | High refractive index optical resin composition | Michael O. Okoroafor, Robert D. Herold, T. Edwin Freeman | 2002-01-29 |
| 6288143 | Filler/silicone oil masterbatch with treating agent for RTV polysiloxanes | Paul J. Caradori, Michael A. Zumbrum | 2001-09-11 |
| 6262211 | Polymerizable polyol(allyl carbonate) composition | Charles C. Clontz, Noriyuki Someki, Michael O. Okoroafor | 2001-07-17 |
| 5981634 | Method of preparing photochromic articles | Christopher D. Selvig | 1999-11-09 |
| 5976422 | Optical resin composition | Michael O. Okoroafor, Robert D. Herold | 1999-11-02 |
| 5965680 | Optical resin composition from polyol((meth)acryloyl carbonate) monomer | Robert D. Herold, Charles R. Wiedrich, Ajay Parkhe, Christopher D. Selvig | 1999-10-12 |
| 5917006 | Optical resin composition | Robert D. Herold, Michael O. Okoroafor | 1999-06-29 |
| 5902635 | Treating process for precipitated silica fillers | Theresa A. Garafalo | 1999-05-11 |
| 5814695 | Silicone molding compositions having extended useful life | John James Fitzgerald, Bruce C. Kuhl, Philip J. McDermott | 1998-09-29 |
| 5677411 | Heat curable elastomeric compositions | Brian J. Ward, Richard A. Striker | 1997-10-14 |