Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7297669 | Copper chemical mechanical polishing solutions using sulfonated amphiprotic agents | Nicholas M. Martyak | 2007-11-20 |
| 7208599 | Preparation of substituted alkanesulfonates from 2-hydroxyalkanesulfonates | Gary S. Smith, Gary E. Stringer | 2007-04-24 |
| 6911393 | Composition and method for copper chemical mechanical planarization | Martin Nosowitz, Nicholas M. Martyak, Patrick K. Janney | 2005-06-28 |
| 6803353 | Copper chemical mechanical polishing solutions using sulfonated amphiprotic agents | Nicholas M. Martyak | 2004-10-12 |
| 6774261 | High purity amino-organosulfonic acid zwitterionic compositions | David Russell BOW | 2004-08-10 |
| 5442123 | Process for selectively preparing organic trisulfides | Emmanuel Arretz, Roger T. Clark | 1995-08-15 |
| 5312992 | Process for removing sulfur from organic sulfides | Roger T. Clark, Michael J. Lindstrom, Jeffrey H. Yen | 1994-05-17 |
| 5242672 | Process for removing sulfur from organic polysulfides | Jeffrey H. Yen, Vijay R. Srinivas, William J. Tuszynski, John A. Wismer | 1993-09-07 |
| 5186848 | Preparing sulfur solvent compositions comprising treating a sulfide and polyalkyleneoxyamine or polyalkyleneoxypolyamine mixture with an alkylamine or alkanolamine | Michael J. Lindstrom | 1993-02-16 |
| 5091593 | Process for removing sulfur from organic sulfides | Michael J. Lindstrom, Jeffrey Hsing-Gan Yen, Roger T. Clark | 1992-02-25 |
| 4804485 | Polyalkyleneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur | Michael J. Lindstrom, William J. Tuszynski | 1989-02-14 |