Patent US2940877A successfully refreshed from Google Patents.
US2940877A
Expired / Lapsed
US
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Paint stripping composition
Assignee: Motors Liquidation Co
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Filing: 1955-04-21
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Granted: 1960-06-14
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Expires: 1975-04-21
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Jaffe
- 👤 Wendell L Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:40
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PAINT STRIPPING COMPOSITION COMPRISING ORIGINALLY AN ALKALI METAL HYDROXIDE TAKEN FROM THE CLASS CONSISTING OF SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE, A MONOHYDROXY BENZENE TAKEN FROM THE CLASS CONSISTING OF PHENOL, CRESOL AND XYLENOL AND AT LEAST ONE COMPOUND TAKEN FROM THE CLASS CONSISTING OF GLUCOSE, GLUCONIC ACID, SACCHARIC ACID, SODIUM GLUCONATE, POTASSIUM GLUCONATE, SODIUM SACCHARATE, POTASSIUM SACCHARATE, AND A DISACCHARIDE, SAID ALKALI METAL HYDROXIDE BEING PRESENT IN AMOUNTS MOLECULARLY EQUIVALENT TO FROM 3 TO 6 POUNDS OF SODIUM HYDROXIDE PER GALLON OF WATER, AID MONOHYDROXY BENZENE BEING PRESENT IM ANOUNTS MOLECULARLY EQUIVALENT TO ABOUT 0.3 TO 0.6 POUND PER GALLON OF WATER, SAID GLUCONIC ACID, SACCHARIC ACID, SODIUM GLUCONATE, POTASSIUM GLUCONATE, SODIUM SACCHARATE AND POTASSIUM SACCHARATE BEING PRESENT IN AMOUNTS MOLECULARL EQUVILANENT TO ABOUT 0.03 TO 0.06 POUND OF SODIUM GLUCONATE PER GALLON OF WATER AND SAID GLUCOSE AND DISACCHARIDE BEING PRESENTED IN AMOUNTS MOLECULARLY EQUIVALENT TO ABOUT 0.6 TO 1.2 POUNDS PER GALLON OF WATER.
Claim 2
Dependent Claim
50 words
IN A METHOD FOR REMOVING A COATING OF PAINT, VARNISH AND THE LIKE FROM AN ARTICLE CAOTED THERWITH, THE STEPS COMPRISING OF HEATING A SOLUTION IN ACCORDANCE WITH CLAIM 7 TO APPROXIMATELY ITS BOILING POINT AND SUBJECTING THE ARTICLE TO SAID SOLUTION FOR A TIME SUFFICIENT TO REMOVE SAID COATING.
References Cited (Backward Citations)
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Cited
US1322009A
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US2584017A
Cited
US982524A
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US1744463A
Cited
FR780292A
Cited
US2650875A
Cited
US2653860A
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |