US2734863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Properties of guanidine salt of pjst-treated
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:33
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/16; C10M2203/00; C10M2203/10; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A HYDROCARBON OIL COMPOSITION CONTAINING A DETERGENT QUANTITY OF A PRODUCT SELECTED FROM THE CLASS CONSISTING OF A PHOSPHO-SULFURIZED SUBSTANTIALLY NON-OLEFINIC HYDROCARBON MATERIALS AND THE GUANIDINO AND REACTIVE OLEIFINIC DERIVATIVES THEREOF, SAID MATERIALS CONTAINING AT LEAST 1.0 WEIGHT PER CENT OF BOTH PHOSPHORUS AND SULFUR IN CHEMICALLY COMBINED FORM; WHICH PRODUCT HAS BEEN CONTACTED DURING AT LEAST ONE STAGE OF THE PREPARATION THEREOF WITH A METAL SELECTED FROM THE CLASS CONSISTING OF IRON AND COPPER AT ELEVATED TEMPERATURES AND FOR AN EXTENDED PERIOD OF TIME, ADEQUATE TO PRODUCE A SUBSTANTIALLY ODORLESS, NON-CORROSIVE PRODUCT.
Claim 2
Dependent Claim
93 words
A HYDROCARBON OIL COMPOSITION CONTAINING A DETERGENT QUANTITY OF A PRODUCT SELECTED FROM THE CLASS CONSISTING OF A PHOSPHO-SULFURIZED SUBSTANTIALLY NON-OLEFINIC HYDROCARBON MATERIALS AND THE GUANIDINO AND REACTIVE OLEIFINIC DERIVATIVES THEREOF, SAID MATERIALS CONTAINING AT LEAST 1.0 WEIGHT PER CENT OF BOTH PHOSPHORUS AND SULFUR IN CHEMICALLY COMBINED FORM; WHICH PRODUCT HAS BEEN CONTACTED DURING AT LEAST ONE STAGE OF THE PREPARATION THEREOF WITH A METAL SELECTED FROM THE CLASS CONSISTING OF IRON AND COPPER AT ELEVATED TEMPERATURES AND FOR AN EXTENDED PERIOD OF TIME, ADEQUATE TO PRODUCE A SUBSTANTIALLY ODORLESS, NON-CORROSIVE PRODUCT.
References Cited (Backward Citations)
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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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |