US3553144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint stripping composition and method
Assignee: Henkel Corp
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Filing: 1967-11-29
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Granted: 1971-01-05
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Expires: 1987-11-29
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 ALKYLENE GLYCOL MONOPHENYL ETHER AND PHENOL OR A SIBSTITUTED PHENOL. VARIOUS SUBSTITUTED PHENOLS MAY BE UTILIZED IN THE COMPOSITION, SUCH AS PTERTIARYBUTYL PHENOL, P-CHLORO-O-BENZYL PHENOL AND TETRACHLOROPHENOL. DESIRABLY, THE ALKALINE COMPOSITION IS DISSOLVED IN WATER, IN AMOUNTS WITHIN THE RANGE OF ABOUT 0.5 TO 5 POUNDS PER GALLON AND THE RESULTING AQUEOUS SOLUTION WAS APPLIED TO THE PAINTED SUBSTRATE FOR A PERIOD SUFFICIENT TO EFFECT SUBSTANTIAL LOOSENING OF THE PAINT COATING.
Inventors
- 👤 Donald P Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:00
CPC Classifications
C; C09; C09D; C09D9/00; C11; C11D; C11D7/00; C11D7/02; C11D7/22; C11D7/26; C11D7/263; C11D7/32; C11D7/3227
Claims Analysis
Total Claims: 0
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References 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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |