US3272869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic sulfide and sulfoxide antioxidants and method for their preparation
Assignee: Individual
•
Filing: 1960-05-25
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Granted: 1966-09-13
•
Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Francis X O'shea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:16
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0071; C07; C07C; C07C317/00; C07C323/00; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; C08K5/41; C08K5/43; C09; C09K; C09K15/00; C09K15/04; C09K15/12; C09K15/14; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10M; C10M135/00; C10M135/08; C10M135/20; C10M135/22; C10M135/24; C10M2207/00; C10M2207/28; C10M2219/00; C10M2219/04; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/135; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
THE BIS-(3,5-DIHYDROCARBYL-4-HYDROXYBENZYL)SULFOXIDES AS REPRESENTED BY THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
8 words
THE BIS-(3,5-DIHYDROCARBYL-4-HYDROXYBENZYL)SULFOXIDES AS REPRESENTED BY THE STRUCTURAL FORMULA:
Claim 3
Independent Claim
11 words
A METHOD OF PREPARING BIS-(3,5-DIHYDROCARBYL-4-HYDROXYBENZYL)SULFIDES AS REPRESENTED BY THE STRUCTURAL FORMULA:
Claim 4
Independent Claim
11 words
A METHOD OF PREPARING BIS-(3,5-DIHYDROCARBYL-4-HYDROXYBENZYL)SULFIDES AS REPRESENTED BY THE STRUCTURAL FORMULA:
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |