Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158603 | Process of extracting anions with quaternary amines | Thomas Stierman, Gary A. Kordosky | 1992-10-27 |
| 5032323 | Process for isomerizing epoxides to ketones | — | 1991-07-16 |
| 5028259 | Recovery of precious metal | Lon-Tang Wilson Lin, Phillip L. Mattison | 1991-07-02 |
| 5019297 | Process for isomerizing olefinically unsaturated secondary alcohols | — | 1991-05-28 |
| 4992416 | Isomeric formyl trimethylbicyclo[2.2.2]oct-7-enes | Klaus Bruns, Thomas Gerke | 1991-02-12 |
| 4992200 | Recovery of precious metals | Wilson L. Lin, Phillip L. Mattison | 1991-02-12 |
| 4940808 | Process for ozonization of unsaturated organic compounds | Paul Schulz, Franz-Josef Carduck | 1990-07-10 |
| 4936999 | Process for recovery of amino acids from aqueous mixtures | Phillip L. Mattison, Ronald P. Wirth, Leroy O. Krbechek | 1990-06-26 |
| 4904640 | 2-alkylidene-3,3,5(3,5,5)-trimethyl cyclopentanones | Thomas Markert, Klaus Bruns, Horst-Juergen Krause, Josef Penninger, Volker Falk | 1990-02-27 |
| 4895597 | Recovery of precious metals | Wilson L. Lin, Phillip L. Mattison | 1990-01-23 |
| 4886889 | Process for recovery of an amino acid from aqueous mixtures thereof | Phillip L. Mattison, Ronald P. Wirth, Leroy O. Krbechek | 1989-12-12 |
| 4814007 | Recovery of precious metals | Wilson L. Lin, Phillip L. Mattison | 1989-03-21 |
| 4647688 | Substituted fatty ethers | James P. Clark, Kenneth Mackay | 1987-03-03 |
| 4639540 | Dicyanoethenyl fatty compounds and derivatives thereof | James P. Clark | 1987-01-27 |
| 4638096 | Process of preparing hydroxyarylaldehydes and catalyst therefor | — | 1987-01-20 |
| 4626582 | Acryloxymethyl substituted fatty compounds | James P. Clark, Edward DiDomenico | 1986-12-02 |
| 4612403 | Hydroformylation of olefinic compounds in the presence of a cobalt catalyst and an organic nitrile promoter | — | 1986-09-16 |
| 4294965 | Benzene sulfonamido pyrimidine derivatives | — | 1981-10-13 |
| 4210759 | Benzene sulfonamido pyridine derivatives | — | 1980-07-01 |
| 4209419 | Certain sulfonamidoquinolines, metal complexes thereof, and solutions containing such sulfonamidoquinolines and metal complexes | — | 1980-06-24 |