US3116249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil compositions
Assignee: Shell USA Inc
•
Filing: 1960-12-23
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Granted: 1963-12-31
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Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Ratner Hyman
- 👤 Cerrito El
- 👤 Arnold R Doepel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
C; C10; C10M; C10M161/00; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C07F9/16; C07F9/165; C07F9/17; C07F9/28; C07F9/38; C08; C08F; C08F26/00; C08F26/06; C10M137/00; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C10M145/14; C10M149/00; C10M149/02; C10M149/10; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/024; C10M2207/04; C10M2207/046; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/024; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/063; C10M2223/065; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN IMPROVED MINERAL LUBRICATING OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL AND FROM ABOUT 0.1% TO ABOUT 10% EACH OF A COPOLYMER OF A POLYMERIZABLE BASIC HETEROCYCLIC AMINE SELECTED FROM THE GROUP CONSISTING OF VINYL PYRIDINE AND VINYL PYRROLIDINE AND A POLYMERIZABLE UNSATURATED MATERIAL FREE OF HETEROCYCLIC NITROGEN-CONTAINING GROUPS SELECTED FROM THE GROUP CONSISTING OF LONG-CHAIN ALKYL ACRYLATES AND LONG-CHAIN ALKYL METHACRYLATES MAKING A MOLECULAR WEIGHT OF 200,000-800,000 AND A C1-4 AMINO ALKYL IMIDAZONLINE SALT OF AN HYDROCARBYL ACID PHOSPHATE, THEHYDROCARBYL RADICAL BEING SELECTED FROM THE GROUP ALKYL, ARYL AND CYCLOALKYL RADICALS SAID ACID HAVING FROM 8 TO 30 CARGON ATOMS IN THE MOLECULE.
Claim 2
Dependent Claim
107 words
AN IMPROVED MINERAL LUBRICATING OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL AND FROM ABOUT 0.1% TO ABOUT 10% EACH OF A COPOLYMER OF A POLYMERIZABLE BASIC HETEROCYCLIC AMINE SELECTED FROM THE GROUP CONSISTING OF VINYL PYRIDINE AND VINYL PYRROLIDINE AND A POLYMERIZABLE UNSATURATED MATERIAL FREE OF HETEROCYCLIC NITROGEN-CONTAINING GROUPS SELECTED FROM THE GROUP CONSISTING OF LONG-CHAIN ALKYL ACRYLATES AND LONG-CHAIN ALKYL METHACRYLATES MAKING A MOLECULAR WEIGHT OF 200,000-800,000 AND A C1-4 AMINO ALKYL IMIDAZONLINE SALT OF AN HYDROCARBYL ACID PHOSPHATE, THEHYDROCARBYL RADICAL BEING SELECTED FROM THE GROUP ALKYL, ARYL AND CYCLOALKYL RADICALS SAID ACID HAVING FROM 8 TO 30 CARGON ATOMS IN THE MOLECULE.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |