US3417025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint stripping composition
Assignee: WR Grace and Co
•
Filing: 1966-07-20
•
Granted: 1968-12-17
•
Expires: 1986-07-20
Abstract
No abstract record available.
Inventors
- 👤 Cooper Joseph
- 👤 William J Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:23
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR STRIPPING A SYNTHETIC RESIN FINISH, COMPRISING THE STEPS OF CONTACTING THE FINISH WITH AN AQUEOUS SOLUTON CONSISTING ESSENTIALLY OF WATER, BETWEEN ABOUT 50 AND 70 WEIGHT PERCENT OF AN ALKALI METAL HYDROXIDE, AND BETWEEN ABOUT 5 AND 20 WEIGHT PERCENT OF 2-(2-AMINOETHYOXY) ETHANOL FOR A TIME SUFFICIENT TO LOOSEN THE FINISH FROM THE SURFACE, AND THEREAFTER REMOVING SAID LOOSENED FINISH COMPLETELY FROM SAID SURFACE.
Claim 2
Dependent Claim
67 words
A PROCESS FOR STRIPPING A SYNTHETIC RESIN FINISH, COMPRISING THE STEPS OF CONTACTING THE FINISH WITH AN AQUEOUS SOLUTON CONSISTING ESSENTIALLY OF WATER, BETWEEN ABOUT 50 AND 70 WEIGHT PERCENT OF AN ALKALI METAL HYDROXIDE, AND BETWEEN ABOUT 5 AND 20 WEIGHT PERCENT OF 2-(2-AMINOETHYOXY) ETHANOL FOR A TIME SUFFICIENT TO LOOSEN THE FINISH FROM THE SURFACE, AND THEREAFTER REMOVING SAID LOOSENED FINISH COMPLETELY FROM SAID SURFACE.
References Cited (Backward Citations)
US2940877A
Cited
US3105822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |