Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470508 | Aqueous oil removal composition containing higher-alkyl pyrrolidone | Kolazi S. Narayanan, Ratan K. Chaudhuri, Robert B. Login | 1995-11-28 |
| 5409639 | Hardwood floor cleaner composition | Kolazi S. Narayanan | 1995-04-25 |
| 5334331 | Method of activating N-methyl-2-pyrrolidone (NMP) varnish and paint remover solvents for removal of organic coatings | — | 1994-08-02 |
| 5268116 | Non-flammable, pseudo-plastic deicing composition | Ki-Ho Chung, Thomas Bohrer | 1993-12-07 |
| 5268117 | Non-flammable, pseudo-plastic deicing composition | Ki-Ho Chung, Thomas Bohrer | 1993-12-07 |
| 5254282 | Acicified NMP compositions stabilized with respect to color formation therein | — | 1993-10-19 |
| 5217640 | Method of activating .alpha.-butyrolactone (BLO) with ethyl 3-ethoxypropionate (EEP) to provide improved varnish and paint remover solvents | Kolazi S. Narayanan | 1993-06-08 |
| 5215675 | Aqueous stripping composition containing peroxide and water soluble ester | Geoffrey J. Wilkins | 1993-06-01 |
| 5154848 | Method of activating N-methyl-2-pyrrolidone (NMP) with ethyl 3-ethoxypropionate (EEP) to provide improved varnish and paint remover solvents | Kolazi S. Narayanan | 1992-10-13 |
| 5098592 | Method of activating n-methyl-2-pyrrolidone (NMP) and/or delta-butyrolactone (BLO) varnish and paint remover solvents | Kolazi S. Narayanan | 1992-03-24 |
| 5064557 | Resin cleaner composition | — | 1991-11-12 |
| 5049300 | Method of activating acidified NMP to provide an effective paint remover composition | Kolazi S. Narayanan | 1991-09-17 |