Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8163464 | Propanoates and processes for preparing the same | Michael T. Sheehan, George W. Clark | 2012-04-24 |
| 7834113 | Photoresist compositions and processes for preparing the same | Frank Leonard Schadt, III, Michael Fryd | 2010-11-16 |
| 7728082 | Methods for preparing polymers from phenolic materials and compositions relating thereto | Keith Kunitsky, Michael T. Sheehan, Mark E. Wagman | 2010-06-01 |
| 7521526 | Methods for preparing polymers from phenolic materials and compositions relating thereto | Keith Kunitsky, Michael T. Sheehan, Mark E. Wagman | 2009-04-21 |
| 7312281 | Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity | Michael T. Sheehan | 2007-12-25 |
| 7148320 | Polymer purification | Michael T. Sheehan | 2006-12-12 |
| 6864324 | Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity | Michael T. Sheehan | 2005-03-08 |
| 6759483 | Preparation of homo-, co- and terpolymers of substituted styrenes | Michael T. Sheehan | 2004-07-06 |
| 6414110 | Purification means | Michael T. Sheehan, Keith M. Russ | 2002-07-02 |
| 5578687 | Process for preparing poly(4-hydroxystyrene) | Keith M. Russ | 1996-11-26 |
| 5565544 | Process for preparing polyhydroxystyrene with a novolak type structure | — | 1996-10-15 |
| 5563289 | Process for preparing acetoxystyrene | Keith M. Russ | 1996-10-08 |
| 5563300 | Process for preparing 4-hydroxyphenylmethylcarbinol | Graham N. Mott, Charles B. Hilton, Mohammad Aslam | 1996-10-08 |
| 5554719 | Polyhydroxystyrene with a novolak type structure | — | 1996-09-10 |
| 5523378 | Process for preparing vinylphenol polymers & copolymers | Graham N. Mott, Charles B. Hilton | 1996-06-04 |
| 5498804 | Process for preparing 4-hydroxyphenylmethylcarbinol | Graham N. Mott, Charles B. Hilton | 1996-03-12 |
| 5493062 | Process for preparing 4-hydroxystyrene | William W. Wilkison, III, Keith M. Russ | 1996-02-20 |
| 5463141 | Process for preparing poly(4-hydroxystyrene) | William W. Wilkison, III, Keith M. Russ | 1995-10-31 |
| 5463108 | Process for preparing acetoxystyrene | William W. Wilkison, III, Keith M. Russ, Lynn Massarelli | 1995-10-31 |
| 5453481 | Process for preparing vinylphenol polymers and copolymers | Graham N. Mott, Charles B. Hilton | 1995-09-26 |
| 5453483 | Process for preparing poly(4-hydroxystyrene) | Graham N. Mott, Charles B. Hilton | 1995-09-26 |
| 5438142 | Functionalized tris(hydroxyphenyl) compounds | John R. Fritsch, Olan S. Fruchey, Debasish Kuila, George Kvakovszky, Mark Murphy +2 more | 1995-08-01 |
| 5424387 | Di-amino compounds and processes for preparing the same | Michael T. Sheehan, Bret F. Hann | 1995-06-13 |
| 5422417 | Substituted phenyl compounds and processes for preparing the same | Michael T. Sheehan, William W. Wilkison, III | 1995-06-06 |
| 5399766 | Amines and processes for preparing the same | Michael T. Sheehan, Bret F. Hann, William W. Wilkison, III | 1995-03-21 |