US2982750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of rosin acid adducts with dialkanolamines
Assignee: Universal Oil Products Co
•
Filing: 1958-08-22
•
Granted: 1961-05-02
•
Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
- 👤 Henry A Cyba
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:19
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE CONDENSATION PRODUCT OF AN N-ALIPHATIC HYDROCARBON SUBSTITUTED DIALKANOLAMINE HAVING FROM ABOUT 6 TO ABOUT 50 CARBON ATOMS IN THE ALIPHATIC HYDROCARBON SUBSTITUENT WITH THE REACTION PRODUCT, FORMED AT A TEMPERATURE OF FROM ABOUT 150*C. TO ABOUT 300*C., OF A TERPENE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC, FUMARIC, CITRACONIC, MESACONIC, ACONITIC AND ITACONIC ACIDS AND THEIR ANHYDRIDES AND ESTERS, SAID CONDENSATION PRODUCT HAVING BEEN FORMED AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND WITH THE USE OF FROM ABOUT 0.5 TO ABOUT 2 EQUIVALENTS OF TOTAL ACID AND POTENTIAL ACID GROUPS IN SAID REACTION PRODUCT PER EQUIVALENT OF HYDROXYL GROUPS IN THE ALKANOLAMINE.
Claim 2
Dependent Claim
110 words
THE CONDENSATION PRODUCT OF AN N-ALIPHATIC HYDROCARBON SUBSTITUTED DIALKANOLAMINE HAVING FROM ABOUT 6 TO ABOUT 50 CARBON ATOMS IN THE ALIPHATIC HYDROCARBON SUBSTITUENT WITH THE REACTION PRODUCT, FORMED AT A TEMPERATURE OF FROM ABOUT 150*C. TO ABOUT 300*C., OF A TERPENE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC, FUMARIC, CITRACONIC, MESACONIC, ACONITIC AND ITACONIC ACIDS AND THEIR ANHYDRIDES AND ESTERS, SAID CONDENSATION PRODUCT HAVING BEEN FORMED AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND WITH THE USE OF FROM ABOUT 0.5 TO ABOUT 2 EQUIVALENTS OF TOTAL ACID AND POTENTIAL ACID GROUPS IN SAID REACTION PRODUCT PER EQUIVALENT OF HYDROXYL GROUPS IN THE ALKANOLAMINE.
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |