US2898246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stripping resin paints
Assignee: Wyandotte Chemicals Corp
•
Filing: 1953-05-25
•
Granted: 1959-08-04
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Hannah Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:12
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR REMOVING OLEORESINOUS, ESTER GUM AND ALKYD RESIN BASED PAINTS FROM ARTICLES COATED THEREWITH WHICH COMPRISES CONTACTING FROM ARTICLES COATED WITH A HOT, AQUEOUS PAINT STRIPPING SOLUTION MAINTAINED AT A TEMPERATURE OF ABOUT 200*F. AND CONSISTING OF ABOUT 85 TO 98 PERCENT BY WEIGHT OF WATER AND ABOUT 2 TO 15 PERCENT BY WEIGHT OF A STRIPPING COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 70% BY WEIGHT OF SODIUM HYROXIDE, ABOUT 2 TO 10 PERCENT BY WEIGHT OF A POLYHYDRIC ALCOHOL CONFORMING TO THE FORMULA
Claim 2
Dependent Claim
87 words
A PROCESS FOR REMOVING OLEORESINOUS, ESTER GUM AND ALKYD RESIN BASED PAINTS FROM ARTICLES COATED THEREWITH WHICH COMPRISES CONTACTING FROM ARTICLES COATED WITH A HOT, AQUEOUS PAINT STRIPPING SOLUTION MAINTAINED AT A TEMPERATURE OF ABOUT 200*F. AND CONSISTING OF ABOUT 85 TO 98 PERCENT BY WEIGHT OF WATER AND ABOUT 2 TO 15 PERCENT BY WEIGHT OF A STRIPPING COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 70% BY WEIGHT OF SODIUM HYROXIDE, ABOUT 2 TO 10 PERCENT BY WEIGHT OF A POLYHYDRIC ALCOHOL CONFORMING TO THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |