Paint stripping composition and method
Abstract
Abstract AN ALKALINE PAINT STRIPPING COMPOSITION COMPRISING ONE OR MORE ALKALINE MATERIALS SUCH AS ALKALI METAL HYDROXIDES, CARBONATES, PHOSPHATES, SILICATES, AND AN ACCELERATING COMPOSITION WHICH CONTAINS ETHYLENE GLYCOL MONOPHENYL EITHER AND A PHENOLIC SELECTED FROM PHENOL, O-PHENYLPHENOL, O-METHOXYPHENOL, P-SECONDARY BUTYL PEHNOL, O-ISOPROPYLPHENOL, BISPHENOL A, B-NAPHTHOL, PAMINOPHENOL, P-NITROPHENOL, AND CRESYLIC ACID. DESIRABLY, THE ALKALINE COMPOSITION IS DISSOLVED IN WATER, IN AMOUNTS WITHIN THE RANGE OF ABOUT 0.25 TO 5 POUNDS PER GALLON, AND THE RESULTING AQUEOUS SOLUTION APPLIED TO THE PAINTED SUBSTRATE FOR A PERIOD SUFFICIENT TO EFFECT SUBSTANTIAL LOOSENING OF THE PAINT COATING.
Inventors
- 👤 Donald P Murphy
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |