Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604712 | Method for determining chemical pulp kappa number with visible-near infrared spectrometry | Thanh P. Trung, Stephen P. A. Betts | 2009-10-20 |
| 7371307 | Kraft pulp yield by heat treatment of polysulphide liquors generated by oxidation | Ronald P. Van Heek, Gilles Dorris, Victor Charles Uloth, Natalie Pagé, Thomas Hu | 2008-05-13 |
| 6551451 | Method for determining liquid content in chemical pulps using ramen spectrometry | Thanh P. Trung | 2003-04-22 |
| 6339222 | Determination of ionic species concentration by near infrared spectroscopy | Michael Kester, Thanh P. Trung, Edward A. Dylke | 2002-01-15 |
| 5616214 | Determination of sodium sulfide and sulfidity in green liquors and smelt solutions | — | 1997-04-01 |
| 5378320 | Control of recausticizing system operation by IR spectroscopys | Robert M. Hogikyan | 1995-01-03 |
| 5364502 | Control of recovery boiler operation by IR spectroscopy | Robert M. Hogikyan | 1994-11-15 |
| 5282931 | Determination and control of effective alkali in kraft liquors by IR spectroscopy | Robert M. Hogikyan | 1994-02-01 |