Patent US2916459A successfully refreshed from Google Patents.
US2916459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cleaner
Assignee: Ajem Laboratories Inc
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Filing: 1954-12-13
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Granted: 1959-12-08
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Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Orlan M Arnold
- 👤 Raymond H Harbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:26
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METAL CLEANER COMPRISING BY WEIGHT 10 TO 40 PARTS POLYETHYLENE GLYCOL 400 MONO LAURATE, 50 TO 20 PARTS OF AN AMIDO SULFONATE COMPLEX COMPRISING A MIXTURE OF AN ALKYL ARYL SULFONATE WITH AN ALKYLOL AMIDE, 2 TO 10 PARTS DIGLYCOL OLEATE, 5 TO 25 PARTS OF A NONIONIC PHOSPHATE-DERIVATIVE SURFACE ACTIVE AGENT COMPRISING AN OCTYL DIPOLYOXYETHYLENE GLYCOL ORTHOPHOSPHATE, 5 TO 20 PARTS POLYETHYLENE GLYCOL TERTIARY DODECYL THIOETHER, 1 TO 12 PARTS RUST INHIBITOR, 1 TO 10 PARTS DIETHANOLAMINE AND 5 TO 25 PARTS OF A COMPOUND HAVING THE FORMULA NA5R5(P3O10)2 WHERE R IS AN ORGANIC RADICAL HAVING BETWEEN 4 AND 12 CARBON ATOMS.
Claim 2
Dependent Claim
104 words
A METAL CLEANER COMPRISING BY WEIGHT 10 TO 40 PARTS POLYETHYLENE GLYCOL 400 MONO LAURATE, 50 TO 20 PARTS OF AN AMIDO SULFONATE COMPLEX COMPRISING A MIXTURE OF AN ALKYL ARYL SULFONATE WITH AN ALKYLOL AMIDE, 2 TO 10 PARTS DIGLYCOL OLEATE, 5 TO 25 PARTS OF A NONIONIC PHOSPHATE-DERIVATIVE SURFACE ACTIVE AGENT COMPRISING AN OCTYL DIPOLYOXYETHYLENE GLYCOL ORTHOPHOSPHATE, 5 TO 20 PARTS POLYETHYLENE GLYCOL TERTIARY DODECYL THIOETHER, 1 TO 12 PARTS RUST INHIBITOR, 1 TO 10 PARTS DIETHANOLAMINE AND 5 TO 25 PARTS OF A COMPOUND HAVING THE FORMULA NA5R5(P3O10)2 WHERE R IS AN ORGANIC RADICAL HAVING BETWEEN 4 AND 12 CARBON ATOMS.
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |