US2529303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized hydrocarbon products
Assignee: Standard Oil Development Co
•
Filing: 1947-09-29
•
Granted: 1950-11-07
•
Expires: 1967-09-29
Abstract
No abstract record available.
Inventors
- 👤 John P Mcdermott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:22
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/10; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/027; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
A MINERAL OIL CONTAINING AN OXIDATION INHIBITING AMOUNT OF A DOUBLE SALT PREPARED BY FUSING TOGETHER A METAL ALKYL XANTHATE, IN WHICH THE METAL IS SELECTED FROM GROUPS I AND II OF THE PERIODIC TABLE AND IN WHICH THE ALKYL GROUP CONTAINS AT LEAST TWO CARBON ATOMS, AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANO THIOPHOSPHOROUS AND THIOPHOSPHORIC ACIDS AND THEIR ORGANIC NITROGEN BASE SALTS HAVING THE FORMULAS-
Claim 2
Dependent Claim
70 words
A MINERAL OIL CONTAINING AN OXIDATION INHIBITING AMOUNT OF A DOUBLE SALT PREPARED BY FUSING TOGETHER A METAL ALKYL XANTHATE, IN WHICH THE METAL IS SELECTED FROM GROUPS I AND II OF THE PERIODIC TABLE AND IN WHICH THE ALKYL GROUP CONTAINS AT LEAST TWO CARBON ATOMS, AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANO THIOPHOSPHOROUS AND THIOPHOSPHORIC ACIDS AND THEIR ORGANIC NITROGEN BASE SALTS HAVING THE FORMULAS-
Claim 3
Dependent Claim
77 words
AS A NEW COMPOSITION OF MATTER A DOUBLE SALT PREPARED BY FUSING TOGETHER ONE-HALF TO ONE MOLECULAR PROPORTION THEREOF A METAL ALKYL XANTHATE, IN WHICH THE METAL IS SELECTED FROM GROUPS I AND II OF THE PERIODIC TABLE AND IN WHICH THE ALKYL GROUP CONTAINS AT LEAST TWO CARBON ATOMS, AND ONE MOLECULAR PROPORTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANO THIOPHOSPHOROUS AND THIOPHOSPHORIC ACIDS AND THEIR ORGANIC NITROGEN BASE SALTS HAVING THE FORMULAS
Claim 4
Dependent Claim
77 words
AS A NEW COMPOSITION OF MATTER A DOUBLE SALT PREPARED BY FUSING TOGETHER ONE-HALF TO ONE MOLECULAR PROPORTION THEREOF A METAL ALKYL XANTHATE, IN WHICH THE METAL IS SELECTED FROM GROUPS I AND II OF THE PERIODIC TABLE AND IN WHICH THE ALKYL GROUP CONTAINS AT LEAST TWO CARBON ATOMS, AND ONE MOLECULAR PROPORTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANO THIOPHOSPHOROUS AND THIOPHOSPHORIC ACIDS AND THEIR ORGANIC NITROGEN BASE SALTS HAVING THE FORMULAS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |