Composition and process for stripping paint
Abstract
Abstract AN AQUEOUS ALKALINE STRIPPING SOLUTION WHICH CONTAINS AN ACCELERATOR COMPOSITION COMPRISED OF AN ALKYLENE GLYCOL ARYL ETHER AND AN ORGANIC NITROGEN COMPOUND OF THE FORMULA R1-N(-R2)-R3 WHEREIN R1, R2 AND R3 ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKANOL AND HYDROXY ETHER GROUPS, WHICH LATTER GROUPS CONTAIN FROM ABOUT 2 TO 10 CARBON ATOMS, AT LEAST ONE OF R1, R2 AND R3 BEING OTHER THAN HYDROGEN, THE COMPOUND HAVE A BOILING POINT OF AT AT LEAST ABOUT 100 DEGREES C. AND A MOLECULAR WEIGHT WHICH IS NOT SUBSTANTIALLY IN EXCESS OF ABOUT 500. THE PREFERRED ALKALINE STRIPPING SOLUTION IS AN AQUEOUS SODIUM HYDROXIDE SOLUTION AND THE PREFERRED COMPONENTS OF THE ACTIVATOR COMPOSITION ARE ETHYLENE GLYCOL MONOPHENYL ETHER AND TRIETHANOLAMINE.
Inventors
- 👤 Donald P Murphy
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |