US3290376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-phenyl-nu'-sec-alkyl-ortho-phenylenediamines
Assignee: Universal Oil Products Co
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Filing: 1964-12-21
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Granted: 1966-12-06
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
- 👤 William K T Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C09; C09K; C09K15/00; C09K15/04; C09K15/16; C09K15/18; C10M; C10M5/00; C10M2205/00; C10M2205/16; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/066; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/086; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/06; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
N-PHENYL-N''-SEC-ALKYL-ORTHO-PHENYLENEDIAMINE IN WHICH SAID ALKYL CONTAINS FROM 3 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
12 words
N-PHENYL-N''-SEC-ALKYL-ORTHO-PHENYLENEDIAMINE IN WHICH SAID ALKYL CONTAINS FROM 3 TO 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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |