Patent US3871716A successfully refreshed from Google Patents.
US2808377A
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Process for preparing neutralized alkyl phenol sulfides
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-03-30
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Granted: 1957-10-01
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Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 James R Davidson
- 👤 Fred J Beyerstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:19
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A PROCESS FOR THE PREPARATION OF ALKALINE EARTH METAL SALTS OF ALKYL PHENOL SULFIDES, WHEREIN AN ALKYL PHENOL SULFIDE IS NEUTRALIZED WITH BASIC ALKALINE EARTH METAL COMPOUND, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF PRETREATING THE ALKYL PHENOL SULFIDE IN THE PRESENCE OF A SMALL AMOUNT OF WATER WITH FROM 3.0% TO 15.0% OF THE AMOUNT OF ALKALINE EARTH METAL COMPOUND WHICH IS REQUIRED TO COMPLETELY NEUTRALIZE THE ALKYL PHENOL SULFIDE AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 130* TO 160*F., THEN COMPLETELY NEUTRALIZING THE PRETREATED ALKYL PHENOL SULFIDE WITH BASIC ALKALINE EARTH METAL COMPOUND AT A TEMPERATURE OF ABOUT 230* TO 260* F., AND THEN DEHYDRATING THE METAL ALKYL PHENOL SULFIDE PRODUCT AT A TEMPERATURE AT LEAST ABOUT 285*F.
Claim 2
Dependent Claim
123 words
IN A PROCESS FOR THE PREPARATION OF ALKALINE EARTH METAL SALTS OF ALKYL PHENOL SULFIDES, WHEREIN AN ALKYL PHENOL SULFIDE IS NEUTRALIZED WITH BASIC ALKALINE EARTH METAL COMPOUND, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF PRETREATING THE ALKYL PHENOL SULFIDE IN THE PRESENCE OF A SMALL AMOUNT OF WATER WITH FROM 3.0% TO 15.0% OF THE AMOUNT OF ALKALINE EARTH METAL COMPOUND WHICH IS REQUIRED TO COMPLETELY NEUTRALIZE THE ALKYL PHENOL SULFIDE AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 130* TO 160*F., THEN COMPLETELY NEUTRALIZING THE PRETREATED ALKYL PHENOL SULFIDE WITH BASIC ALKALINE EARTH METAL COMPOUND AT A TEMPERATURE OF ABOUT 230* TO 260* F., AND THEN DEHYDRATING THE METAL ALKYL PHENOL SULFIDE PRODUCT AT A TEMPERATURE AT LEAST ABOUT 285*F.
References Cited (Backward Citations)
US2399877A
Cited
US2761845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |