Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746947 | Alkylbenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors | Charles Y. Cha | 1998-05-05 |
| 5565106 | Stabilization of polyether polyamino methylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides | Ann M. Sherbondy | 1996-10-15 |
| 5454978 | Inhibiting deposition of oil on surface of water-carrying system | Susan P. Rey | 1995-10-03 |
| 5449476 | Stabilization of aminomethylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides | Ann M. Sherbondy | 1995-09-12 |
| 5439611 | Stabilization of hydroxyalkylidene phosphonate scale inhibitors against degradation by bromine and chlorine biocides | Ann M. Sherbondy | 1995-08-08 |
| 5433886 | Stabilization of polyether polyamino methylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides | Ann M. Sherbondy | 1995-07-18 |
| 5236626 | Alkoxybenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors | Charles Y. Cha | 1993-08-17 |
| 5219523 | Copper and copper alloy corrosion inhibitors | Charles Y. Cha | 1993-06-15 |
| 5217686 | Alkoxybenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors | Charles Y. Cha | 1993-06-08 |
| 5156769 | Phenyl mercaptotetrazole/tolyltriazole corrosion inhibiting compositions | Charles Y. Cha | 1992-10-20 |
| 5141675 | Novel polyphosphate/azole compositions and the use thereof as copper and copper alloy corrosion inhibitors | Susan P. Rey | 1992-08-25 |
| 4552981 | Process for the production of 5-nitro-acet-2,4-xylidine | Karl-Werner Thiem | 1985-11-12 |
| 4341902 | Process for the production of 5-nitro-acet-2,4-xylidine | Karl-Werner Thiem | 1982-07-27 |