US3006848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay grease manufacturing process
Assignee: Shell USA Inc
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Filing: 1960-02-18
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Granted: 1961-10-31
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Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Gerard P Caruso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:39
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M5/00; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/085; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/14; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN THE PROCESS FOR THE PREPARATION OF CLAY GREASE COMPOSITION WHEREIN A GREASE-FORMING AMOUNT OF CLAY AND A WATER-PROOFING AMOUNT OF A HYDROPHOBIC AMINO AMIDE ARE DISPERSED IN A LUBRICATING OIL AND SUBJECTED TO HOMOGENIZING, WHEREBY A GREASE STRUCTURE IS FORMED, THE IMPROVEMENT WHICH COMPRISES ADDING TO THE PREFORMED GREASE IN THE ABSENCE OF MORE THAN ABOUT 5% BY WEIGHT OF WATER, 0.25-1% BY WEIGHT OF OIL-DISPERSIBLE AMIDO AMINES FORMED BETWEEN 0.3-0.6 EQUIVALENTS OF FATTY ACIDS HAVING 14-22 CARBON ATOMS PER MOLECULE AND A MIXTURE OF 1 EQUIVALENT OF POLYETHYLENE POLYAMINES, 20-80% BY WEIGHT OF THE MIXTURE COMPRISING POLYAMINES HAVING 2-3 NITROGEN ATOMS PER MOLECULE, THE REMAINING FRACTION BEING POLYETHYLENE POLYAMINES HAVING AN AVERAGE MOLECULAR WEIGHT WITHIN THE RANGE 200-500.
Claim 2
Dependent Claim
120 words
IN THE PROCESS FOR THE PREPARATION OF CLAY GREASE COMPOSITION WHEREIN A GREASE-FORMING AMOUNT OF CLAY AND A WATER-PROOFING AMOUNT OF A HYDROPHOBIC AMINO AMIDE ARE DISPERSED IN A LUBRICATING OIL AND SUBJECTED TO HOMOGENIZING, WHEREBY A GREASE STRUCTURE IS FORMED, THE IMPROVEMENT WHICH COMPRISES ADDING TO THE PREFORMED GREASE IN THE ABSENCE OF MORE THAN ABOUT 5% BY WEIGHT OF WATER, 0.25-1% BY WEIGHT OF OIL-DISPERSIBLE AMIDO AMINES FORMED BETWEEN 0.3-0.6 EQUIVALENTS OF FATTY ACIDS HAVING 14-22 CARBON ATOMS PER MOLECULE AND A MIXTURE OF 1 EQUIVALENT OF POLYETHYLENE POLYAMINES, 20-80% BY WEIGHT OF THE MIXTURE COMPRISING POLYAMINES HAVING 2-3 NITROGEN ATOMS PER MOLECULE, THE REMAINING FRACTION BEING POLYETHYLENE POLYAMINES HAVING AN AVERAGE MOLECULAR WEIGHT WITHIN THE RANGE 200-500.
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |