Patent US2741599A successfully refreshed from Google Patents.
US2741599A
Expired / Lapsed
US
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Composition for cleaning and stripping paint from aluminum
Assignee: Kelite Corp
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Filing: 1952-04-28
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Granted: 1956-04-10
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Expires: 1972-04-28
Abstract
No abstract record available.
Inventors
- 👤 Mcdonald Louis
- 👤 Alfred E Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:05
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A COMPOSITION FOR CLEANING AND STRIPPING PAINT FROM ALUMINUM WHICH COMPOSITION CONSISTS ESSENTIALLY OF 80 TO 90% SODIUM ACTIVATOR COMPOUNDS AND SILICATE CORROSION-INHIBITING AGENTS PROVIDING A MOL RATIO OF NA20 TO SIO2 OF FROM ONE MOL NA2O TO FROM 0.9 TO 1.1 MOLS OF SIO2, THE SIO2 CONTENT BEING FROM 11 TO 19%, 2 TO 6% OF A SEQUESTERING AGENT SELECTED FROM THE GROUP CONSISTING OF ALKALI, AMINE AND AMMONIA SALTS OF POLYHYDROXY CARBOXYLIC ACID, 1 TO 5% OF A DISPERSING AGENT CONSISTING OF A POLYMERIC TETRAMETHYLENE ARYL SODIUM SULFONATE WHEREING THE ARYL RADICAL IS SELECTED FROM THE GROUP CONSISTING OF BENZENE, NAPHTHALENE AND ANTHRACENE, AND 3 TO 7% OF A WETTING AGENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |