Patent US2675373A successfully refreshed from Google Patents.
US2675373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suppression of acidic gas evolution
Assignee: ExxonMobil Oil Corp
•
Filing: 1950-11-15
•
Granted: 1954-04-13
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 John W Brooks
- 👤 Seymour L Meisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:23
CPC Classifications
C; C10; C10M; C10M177/00; C09; C09K; C09K15/00; C09K15/04; C09K15/12; C10M129/00; C10M129/02; C10M129/24; C10M135/00; C10M135/32; C10M135/34; C10M163/00; C10M2207/00; C10M2207/08; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/085; C10M2219/086; C10M2219/087; C10M2219/089; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10M2223/06; C10M2223/061; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD FOR INHIBITING THE EVOLUTION OF HYDROGEN SULFIDE FROM AN OIL-SOLUBLE, PHOSPHORUSAND SULFUR-CONTAINING REACTION PRODUCT PRODUCED BY REACTING PINENE WITH PHOSPHORUS PENTASULFIDE IN A MOLAR PROPORTION OF ABOUT 4 MOLS OF PINENE TO 1 MOL OF PHOSPHORUS PENTASULFIDE, AT A TEMPERATURE OF FROM ABOUT 100* C. TO ABOUT 160* C., WHICH COMPRISES ADDING TO SAID REACTION PRODUCT A MINOR AMOUNT, FROM ABOUT 0.5 PER CENT TO ABOUT 20 PER CENT, BY WEIGHT, OF CINNAMALDEHYDE.
Claim 2
Independent Claim
75 words
A METHOD FOR INHIBITING THE EVOLUTION OF HYDROGEN SULFIDE FROM AN OIL-SOLUBLE, PHOSPHORUSAND SULFUR-CONTAINING REACTION PRODUCT PRODUCED BY REACTING PINENE WITH PHOSPHORUS PENTASULFIDE IN A MOLAR PROPORTION OF ABOUT 4 MOLS OF PINENE TO 1 MOL OF PHOSPHORUS PENTASULFIDE, AT A TEMPERATURE OF FROM ABOUT 100* C. TO ABOUT 160* C., WHICH COMPRISES ADDING TO SAID REACTION PRODUCT A MINOR AMOUNT, FROM ABOUT 0.5 PER CENT TO ABOUT 20 PER CENT, BY WEIGHT, OF CINNAMALDEHYDE.
References Cited (Backward Citations)
US2497097A
Cited
US2571739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |