Patent US4396459A successfully refreshed from Google Patents.
Patent US2967828A successfully refreshed from Google Patents.
US2967828A
Expired / Lapsed
US
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Siliceous amino compounds and lubricating grease containing same
Assignee: Nopco Chemical Co
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Filing: 1955-09-13
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Granted: 1961-01-10
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Expires: 1975-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick J Ihde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:03
CPC Classifications
C; C10; C10M; C10M5/00; C01; C01B; C01B21/00; C01B21/082; C01B21/087; C01B21/092; C01B21/0923; C01B21/0926; C07; C07F; C07F7/00; C07F7/02; C07F7/025; C10M2201/00; C10M2201/14; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2227/00; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A MINERAL LUBRICATING GREASE CONSISTING ESSENTIALLY OF A LUBRICATING OIL AND FROM ABOUT 15% TO ABOUT 40% BY WEIGHT OF A COMPOUND PRODUCED BY REACTING (A) A SALT OF A PARTIAL AMIDE, SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE AND WATER-DISPERSIBLE SALTS OF PARTIAL AMIDES AND SAID PARTIAL AMIDE BEING PREPARED BY REACTING AN ALKYLENE POLYAMIDE WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS, THEIR ESTERS AND ACYL HALIDES CONTAINING THE RADICAL RCO-, AND R REPRESENTING A CARBON CHAIN LENGTH OF FROM ABOUT 5 TO ABOUT 21 CARBON ATOMS, GLYCERIDES, NAPHTHENIC ACID AND TALL OIL, AND (B) AN APPROXIMATELY STOICHIOMETRICALLY EQUIVALENT QUANTITY OF A SILICATE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM SILICATES, POTASSIUM SILICATES AND AMMONIUM SILICATES SUFFICIENT TO NEUTRALIZE ALL OF THE ACID RADICALS OF SAID SALT OF A PATRIAL AMIDE.
Claim 2
Dependent Claim
141 words
A MINERAL LUBRICATING GREASE CONSISTING ESSENTIALLY OF A LUBRICATING OIL AND FROM ABOUT 15% TO ABOUT 40% BY WEIGHT OF A COMPOUND PRODUCED BY REACTING (A) A SALT OF A PARTIAL AMIDE, SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE AND WATER-DISPERSIBLE SALTS OF PARTIAL AMIDES AND SAID PARTIAL AMIDE BEING PREPARED BY REACTING AN ALKYLENE POLYAMIDE WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS, THEIR ESTERS AND ACYL HALIDES CONTAINING THE RADICAL RCO-, AND R REPRESENTING A CARBON CHAIN LENGTH OF FROM ABOUT 5 TO ABOUT 21 CARBON ATOMS, GLYCERIDES, NAPHTHENIC ACID AND TALL OIL, AND (B) AN APPROXIMATELY STOICHIOMETRICALLY EQUIVALENT QUANTITY OF A SILICATE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM SILICATES, POTASSIUM SILICATES AND AMMONIUM SILICATES SUFFICIENT TO NEUTRALIZE ALL OF THE ACID RADICALS OF SAID SALT OF A PATRIAL AMIDE.
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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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |