US3682980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminobenzoquinones and aminonaphthoquinones as additives for imparting oxidative stability to organic compositions
Assignee: Mobil Oil AS
•
Filing: 1969-04-02
•
Granted: 1972-08-08
•
Expires: 1989-04-02
Abstract
Abstract The invention provides new aminobenzoquinones and aminonaphthoquinones, and the substituted members thereof, which are useful as antioxidant additives to organic compounds, especially lubricants.
Inventors
- 👤 Milton Braid
- 👤 Derek A Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:15
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/20; C09K15/24; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C10; C10M; C10M133/00; C10M133/02; C10M133/04; C10M133/12; C10M133/14; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
8 words
The aminoquinone of claim 1 having the structure
Claim 2
Dependent Claim
13 words
The aminoquinone of claim 2 wherein R is 1,1-dimethyl-2-hydroxyethyl and R'' is hydrogen.
Claim 3
Dependent Claim
15 words
The aminoquinone of claim 1, structure (2), wherein R is 1-methyl-4-(diethylamino)butyl and R'' is hydrogen.
Claim 4
Dependent Claim
15 words
The aminoquinone of claim 1, structure (2), wherein R is 1,1-di(hydroxymethyl)ethyl and R'' is hydrogen.
Claim 5
Dependent Claim
19 words
The aminoquinone of claim 1, structure (2), wherein the amino groups are present at the 3,5-positions of the nucleus.
Claim 6
Dependent Claim
21 words
The aminoquinone of claim 1 wherein the quinone compound is selected from the group consisting of 2,5-bis-t-butylamino-dichloro-p-benzoquinone, 2,5-bis-t-butylamino-3-chloro-p-benzoquinone, 2,5-bis-benzylamino-3,6-dichloro-p-benzoquinone and 2,5-bis(1,1-dimethyl-2-hydroxyethylamino)-3,6-dichloro-p-benzoquinone.
Claim 7
Dependent Claim
8 words
The aminoquinone of claim 1 having the structure
Claim 8
Dependent Claim
8 words
The aminoquinone of claim 1 having the structure
Claim 9
Dependent Claim
8 words
The compound of claim 1 having the structure
Claim 10
Dependent Claim
8 words
The compound of claim 1 having the structure
Claim 11
Dependent Claim
8 words
The aminoquinone of claim 1 having the structure
Claim 12
Dependent Claim
8 words
The aminoquinone of claim 1 having the formula
Claim 13
Dependent Claim
8 words
The aminoquinone of claim 1 having the formula
References Cited (Backward Citations)
US3114755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |