US2971968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ortho, ortho'-bis (para-1, 1, 3, 3-tetramethyl-butylphenol) monosulphide
Assignee: Vibrantz Corp
•
Filing: 1959-01-29
•
Granted: 1961-02-14
•
Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Albright M Nicholson
- 👤 Zaremsky Baruch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:21
CPC Classifications
C; C07; C07C; C07C323/00; C07F; C07F15/00; C07F15/04; C07F15/045
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
IN THE PROCESS OF MAKING THE NICKEL PHENOLPHENOLATE OF CRYSTALLINE O,O,''-BIS-(P-1,1,3,3-TETRAMETHYLBUTYLPHENOL) MONOSULPHIDE, THE STEPS WHICH COMPRISE REACTING CRYSTALLINE P-1,1,3,3-TETRAMETHYLBUTYLPHENOL DISSOLVED IN AN ALIPHATIC HYDROCARBON SOLVENT WITH SCI2 IN AN AMOUNT SUFFICIENT TO FORM THE MONOSULPHIDE OF SAID PHENOL UNDER CONDITIONS OF TIME AND TEMPERATURE SUFFICIENT TO SUBSTANTIALLY COMPLETE THE REACTION 25 EVIDENCED BY THE CESSATION OF EVOLUTION OF HC1, RECOVERING CRYSTALLINE O,O,''-BIS(P-1,1,3,3-TETRAMETHYLBUTYLPHENOL) MONOSULPHIDE FROM THE REACTION MEDIUM BY MECHANICALLY REMOVING THE LIQUID PHASE, DISSOLVING SAID CRYSTALLINE MONOSULPHIDE IN AN AROMATIC HYDROCARBON, AND ADDING THERETO ONE-HALF THE STOICHIOMETRIC AMOUNT OF NICKEL ACETATE TETRAHYDRATE FOR REPLACEMENT OF ALL THE PHENOLIC HYDROGEN, AND REMOVING THE SOLVENT AND BY-PRODUCTS OF REACTION.
References Cited (Backward Citations)
US2449026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-14 | 1964-08-15 | 1965-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-14 | 1968-08-15 | 1969-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-14 | 1972-08-15 | 1973-02-14 | $7700.00 | Window Closed / Lapsed |