Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415044 | Process for the preparation of quaternary N-alkyl morphinan alkaloid salts | Peter X. Wang, Robert E. Halvachs, Kevin R. Roesch, Henry J. Buehler, Gary L. Cantrell | 2016-08-16 |
| 9040726 | Process for the preparation of quaternary N-alkyl morphinan alkaloid salts | Peter X. Wang, Gary L. Cantrell, Robert E. Halvachs, Kevin R. Roesch, Henry J. Buehler | 2015-05-26 |
| 8946433 | Process for the preparation of sufentanil base and related compounds | Brian Orr, George Helmut Klemm, Keith G. Tomazi | 2015-02-03 |
| 8669366 | Process for the preparation of quaternary N-alkyl morphinan alkaloid salts | Peter X. Wang, Gary L. Cantrell, Robert E. Halvachs, Kevin R. Roesch, Henry J. Buehler | 2014-03-11 |
| 8383649 | Crystalline forms of naltrexone methobromide | Gary A. Nichols, Robert E. Halvachs, Gary L. Cantrell, Kevin R. Roesch | 2013-02-26 |
| 8283472 | Synthesis of methylphenidate and analogs thereof | Carl J. Schaefer, Charles S. Kuivila | 2012-10-09 |
| 6225493 | Metal ion assisted N-[N-(3,3-dimethylbutyl)-L-.alpha.-aspartyl]-L-phenylalanine 1-methyl ester isomer resolution | Indra Prakash, Robert Yongxin Zhao | 2001-05-01 |
| 5998491 | Super-absorbing polymeric networks | — | 1999-12-07 |
| 5998492 | Super-absorbing polymeric networks | Robert J. Ross | 1999-12-07 |