Patent US3055951A successfully refreshed from Google Patents.
US3055951A
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Process for carbonated metal phenates
Assignee: CALIFORNIA RESCARCH Corp
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Filing: 1959-08-27
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Granted: 1962-09-25
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Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 Richard L Ferm
- 👤 James H Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:47
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS OF PREPARING BASIC CARBONATED ALKALINE EARTH METAL ALKYLATED PHENATES CONSISTING ESENTIALLY OF REACTING AN ALKYL PHENOL WHEREIN SAID ALKYL RADICAL IS DERIVED FROM A POLYPROPYLENE HAVING AN AVERAGE OF 12-14 CARBON ATOMS, WITH AN ALKALINE EARTH METAL HYDROXIDE WITH UREA PRESENT IN THE REACTION MIXTURE AT TEMPERATURES RANGING FROM 70*F. TO 200*F., WHEREIN SAID ALKALINE EARTH METAL HYDROXIDE IS PRESENT IN AN AMOUNT SUCH THAT THERE ARE FROM 0.75 MOL TO 1.5 MOLS OF ALKALINE EARTH METAL HYDROXIDES IN EXCES OF THAT NECESSARY FOR THE FORMATION OF A NORMAL PHENATE, WHEREIN SAID UREA IS PRESENT IN AN AMOUNT OF FROM 0.5 MOL TO 1 MOL PER EQUIVALENT OF ALKALINE EARTH METAL HYDROXIDE.
Claim 2
Dependent Claim
114 words
A PROCESS OF PREPARING BASIC CARBONATED ALKALINE EARTH METAL ALKYLATED PHENATES CONSISTING ESENTIALLY OF REACTING AN ALKYL PHENOL WHEREIN SAID ALKYL RADICAL IS DERIVED FROM A POLYPROPYLENE HAVING AN AVERAGE OF 12-14 CARBON ATOMS, WITH AN ALKALINE EARTH METAL HYDROXIDE WITH UREA PRESENT IN THE REACTION MIXTURE AT TEMPERATURES RANGING FROM 70*F. TO 200*F., WHEREIN SAID ALKALINE EARTH METAL HYDROXIDE IS PRESENT IN AN AMOUNT SUCH THAT THERE ARE FROM 0.75 MOL TO 1.5 MOLS OF ALKALINE EARTH METAL HYDROXIDES IN EXCES OF THAT NECESSARY FOR THE FORMATION OF A NORMAL PHENATE, WHEREIN SAID UREA IS PRESENT IN AN AMOUNT OF FROM 0.5 MOL TO 1 MOL PER EQUIVALENT OF ALKALINE EARTH METAL HYDROXIDE.
References Cited (Backward Citations)
US2781403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |