Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112496 | Methods for inhibition of scale in high brine environments | Balram Dhawan, John L. Przybylinski | 1992-05-12 |
| 4981609 | Compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1991-01-01 |
| 4931189 | Methods for inhibition of scale in high brine environments | Balram Dhawan, John L. Przybylinski | 1990-06-05 |
| 4857205 | Method for inhibition of scale formation | Balram Dhawan, John L. Przybylinski | 1989-08-15 |
| 4843176 | Compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1989-06-27 |
| 4751051 | .alpha.-aminoalkylsulfur compositions | Neil E. S. Thompson, Bernardus A. O. Alink | 1988-06-14 |
| 4684507 | Process of corrosion inhibition using compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1987-08-04 |
| 4671815 | Water soluble biocides | Thomas J. Bellos | 1987-06-09 |
| 4633019 | .alpha.-aminoalkylsulfur compositions | Neil E. S. Thompson, Bernardus A. O. Alink | 1986-12-30 |
| 4622404 | Imidazoline compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1986-11-11 |
| 4616085 | Thioethers of imidazolines | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1986-10-07 |
| 4579956 | Amino-phosphonates | — | 1986-04-01 |
| 4539404 | Pyrimidines containing sulfur and amino groups as corrosion inhibitors | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1985-09-03 |
| 4450137 | Processes for inhibiting corrosion using compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1984-05-22 |
| 4450138 | Processes for inhibiting corrosion using compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1984-05-22 |
| 4443609 | Tetrahydrothiazole phosphonic acids or esters thereof | Bernardus A. Oude Alink | 1984-04-17 |
| 4442286 | Preparation of amines by the reduction of imines with phosphorous acid | — | 1984-04-10 |
| 4420399 | Quaternary aminomethyl phosphonates as scale inhibitors | — | 1983-12-13 |
| 4409151 | N,N-Dimethylene phosphonic acids of alkylene diamines | William S. Paley | 1983-10-11 |
| 4393026 | Compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1983-07-12 |
| 4332967 | Compounds containing sulfur and amino groups | Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw | 1982-06-01 |
| 4330487 | N,N-Dimethylene phosponic acids of alkylene diamines | William S. Paley | 1982-05-18 |
| 4315087 | Quaternary polyaminoamides | Benjamin T. Outlaw | 1982-02-09 |
| 4299982 | Quaternaries of hydroxyalkylaminoalkylamides | Benjamin T. Outlaw | 1981-11-10 |
| 4270001 | Quaternaries of hydroxyalkylaminoalkylamides | Benjamin T. Outlaw | 1981-05-26 |