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US3647705A
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Self-emulsifiable penetrant composition
Assignee: Magnaflux Corp
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Filing: 1969-09-15
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Granted: 1972-03-07
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Expires: 1989-09-15
Abstract
Abstract SELF-EMULSIFIABLE PENETRANT COMPOSITION PARTICULARLY DESIGNED FOR USE IN THE PENETRANT METHOD FOR DETECTING SURFACE DISCONTINUES, THE COMPOSITION CONTAINING (1) AT LEAST ONE STRAIGHT CHAIN ALCOHOL CONTAINING FROM 8 TO 15 CARBON ATOMS PER MOLECULE ETHOXYLATED WITH FROM 3 TO 12 MOLS OF ETHYLENE OXIDE PER MOL OF ALCOHOL, (2) A WATER IMMISCIBLE FATTY ALCOHOL, (3) A VEGETABLE OIL, PARTICULARLY CASTOR OIL, (4) AN ALIPHATIC HYDROCARBON SOLVENT, AND (5) A DYE.
Inventors
- 👤 Adolf Mlot-Fijalkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:08
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/91; Y; Y10; Y10S; Y10S252/00; Y10S252/96
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |