US3216941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylene glycol amine reaction product
Assignee: California Research LLC
•
Filing: 1963-03-28
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Granted: 1965-11-09
•
Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Vries Louis De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/236; C10L1/2364; C10L1/2366; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2217/00; C10M2217/02; C10M2217/024; C10M2217/04; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
17 words
AN OIL-SOLUBLE POLYMERIC DISPERSANT CONSISTING OF A MIXTURE OF RANDOMLY DISTRIBUTED RECURRING COMPONENT UNITS HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
AN OIL-SOLUBLE POLYMERIC DISPERSANT CONSISTING OF A MIXTURE OF RANDOMLY DISTRIBUTED RECURRING COMPONENT UNITS HAVING THE FORMULA
Claim 3
Dependent Claim
34 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND A MINOR PROPORTION SUFFICIENT TO IMPROVE THE DETERGENT CHARACTERISTICS OF THE POLYALKYLENE GLYCOL AMINE REACTION PRODUCT OF CLAIM 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |