Issued Patents 1982
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361555 | .alpha.-1,4-Thiazine alkanephosphonic acids | — | 1982-11-30 |
| 4358382 | Use of quaternized derivatives of polymerized pyridines and quinolines as water clarifiers | — | 1982-11-09 |
| 4354945 | Clarification process with thiazine quaternary ammonium salts of polyepihalohydrin | — | 1982-10-19 |
| 4346217 | Di-quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids | — | 1982-08-24 |
| 4343720 | Quaternary alkynoxymethyl amines | — | 1982-08-10 |
| 4342584 | Microbiocidal process using di-quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids | — | 1982-08-03 |
| 4341657 | Use of quaternized derivatives of polymerized pyridines and quinolines as corrosion inhibitors | — | 1982-07-27 |
| 4339347 | Use of quaternized derivatives of polymerized pyridines and quinolines as demulsifiers | — | 1982-07-13 |
| 4336156 | Quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids | — | 1982-06-22 |
| 4332799 | Quaternaries of tertiary amino-substituted thiazines | — | 1982-06-01 |
| 4331554 | Demulsification process with thiazine quaternary ammonium salts of polyepihalohydrin | — | 1982-05-25 |
| 4323461 | Process of inhibiting scale formation in aqueous systems using di-quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids | — | 1982-04-06 |
| 4323460 | Process of inhibiting scale formation in aqueous systems using .alpha.-1,4-thiazine alkanephosphonic acids | — | 1982-04-06 |
| 4323459 | Process of inhibiting scale formation in aqueous systems using quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids | — | 1982-04-06 |
| 4316007 | Thiazine quaternary ammonium salts of polyepihalohydrin | — | 1982-02-16 |
| 4312831 | Quaternaries of tertiary amino-substituted thiazines | — | 1982-01-26 |
| 4312832 | Polymerization of aromatic nitrogen heterocyclic compounds | — | 1982-01-26 |
| 4312830 | Tertiary amino-substituted thiazines | — | 1982-01-26 |
| 4311663 | .alpha.-1,4-Thiazine alkanephosphonic acids as corrosion inhibitors | — | 1982-01-19 |
| 4309383 | Di-quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids as corrosion inhibitors | — | 1982-01-05 |