Patent US3449362A successfully refreshed from Google Patents.
US3449362A
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Alkenyl hydrocarbon substituted succinimides of polyamino ureas and their boron-containing derivatives
Assignee: Standard Oil Co
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Filing: 1965-03-08
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Granted: 1969-06-10
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Richard J Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:19
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C07; C07C; C07C273/00; C07C273/18; C07C273/1854; C07C273/1863; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/06; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
THE BORATED PRODUCT OBTAINED BY REACTING AT A TEMPERATURE IN THE RANGE OF 120 TO 400*F. BORIC ACID WITH THE ALKENYL SUCCINIMIDE DERIVATIVE OF CLAIM 5 TO PROVIDE A BORON TO NITROGEN WEIGHT RATIO IN THE RANGE OF FROM 0.05 TO 1.0. 5.AN ALKENYLSUCCINIMIDE DERIVATIVE OBTAINED FROM THE REACTION OF: (A) AN ALKENYL HYDROCAARBON SUBSTITUTED SUCCINIC ANHYDRIDE HAVING IN ITS ALKENYL SUBSTITUENT FROM 30 TO 200 CARBON ATOMS AND (B) A POLYAMINO UREA DERIVED FROM REACTING AT A TEMPERATURE IN THE RANGE OF 200* TO 500*F. UREA AND A POLYALKYLENE POLYAMINE OF THE FORMULA
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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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |