US2519924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl dimethyl benzyl ammonium naphthenate
Assignee: Nuodex Products Co Inc
•
Filing: 1946-11-07
•
Granted: 1950-08-22
•
Expires: 1966-11-07
Abstract
No abstract record available.
Inventors
- 👤 Nowak Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; A; A01; A01N; A01N31/00; A01N31/08; A01N31/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A SUBSTANTIALLY WATER-INSOLUBLE AND SUBSTANTIALLY BENZINE-SOLUBLE ALKYL DIMETHYL BENZYL AMMONIUM NAPHTHENATE WHEREIN THE ALKYL GROUP CONTAINS FROM 12 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
22 words
A SUBSTANTIALLY WATER-INSOLUBLE AND SUBSTANTIALLY BENZINE-SOLUBLE ALKYL DIMETHYL BENZYL AMMONIUM NAPHTHENATE WHEREIN THE ALKYL GROUP CONTAINS FROM 12 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
US2115250A
Cited
US2302805A
Cited
US2137465A
Cited
US2295504A
Cited
US2176896A
Cited
US2295505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |