Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505670 | Polyurethane foams co-blown with a mixture of a hydrocarbon and a halogenated olefin | — | 2022-11-22 |
| 9834638 | Process for preparing rigid polyisocyanurate foams using natural-oil polyols | David F. Sounik, Don S. Wardius, Edward E. Ball | 2017-12-05 |
| 8097660 | Rigid polyurethane foams with low thermal conductivity and a process for their production | V. Michael Mautino, Edward E. Ball | 2012-01-17 |
| 7619014 | Rigid polyurethane foams for insulation and process for producing same | Edward E. Ball | 2009-11-17 |
| 6846850 | Rigid polyurethane foams with improved properties | Edward E. Ball, Kevin Elsken | 2005-01-25 |
| 6423759 | Co-initiated polyols useful for the production of rigid polyurethane foams | Herman P. Doerge, Edward E. Ball, Keith J. Headley | 2002-07-23 |
| 6004482 | Stable aromatic amine composition, and a process for preparing color stable aromatic amines | Rick L. Adkins, Keith J. Headley | 1999-12-21 |
| 5962749 | Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols | Harold R. Parsons, Donald C. Dunham, Keith J. Headley | 1999-10-05 |
| 5889070 | Process for preparing polyamines and polysocyanates | Clarence D. Blue, Ricky L. Adkins | 1999-03-30 |
| 5872292 | Stable aromatic amine composition, a process for preparing color stable aromatic amines, and the production of light colored aromatic amine-based polyether polyols | Rick L. Adkins, Keith J. Headley | 1999-02-16 |
| 5786405 | Amine-initiated polyether polyols and a process for their production | Herman P. Doerge, Lotar Hanusa | 1998-07-28 |
| 5693686 | Foam-forming mixtures with decreased decomposition of hydrohalocarbon blowing agents | John F. Szabat, Charles E. Mortimer, Joseph M. Sutej, Jeanne L. Beaumont, Harold R. Parsons +1 more | 1997-12-02 |
| 5539006 | Rigid foams with improved insulation and physical properties | Herman P. Doerge, Edward E. Ball, Edward P. Squiller | 1996-07-23 |
| 5484819 | Process for preparing polyamines for lighter color polyisocyanate based foam | Jeffrey Bolton, Ramon Kalyanaraman, Clarence D. Blue | 1996-01-16 |
| 5464560 | Foam-forming mixtures with decreased decomposition of hydrohalocarbon blowing agents | Robert P. Yeater, Phil M. Soland, John F. Szabat, Harold R. Parsons | 1995-11-07 |
| 5407596 | Polyols for the production of foams with HCFC blowing agents | Robson Mafoti, Richard E. Keegan | 1995-04-18 |
| 5386059 | Process for preparing polyamines for lighter color polyisocyanate based foam | Jeffrey Bolton, Ramon Kalyanaraman, Clarence D. Blue | 1995-01-31 |