US2956067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain surfactants and method of making same
Assignee: Baker Petrolite LLC
•
Filing: 1956-07-05
•
Granted: 1960-10-11
•
Expires: 1976-07-05
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Cheng Jen Pu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C09; C09K; C09K23/00; C09K23/22; C09K8/00; C09K8/58; C09K8/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
THE POLYAMINE CONTAINING REACTION PRODUCTS OBTAINED BY REACTING AT A TEMPERATURE OF ABOUT 110*C. TO 310*C. FOR FROM ABOUT 1.5 TO 5 HOURS (A) THE RESULTANT OF REACTION AT A TEMPERATURE OF ABOUT 65*C. TO 170*C. FOR FROM ABOUT 1 TO 5 HOURS BETWEEN (A) AN OXIRANE RING-CONTAINING COMPOUND OBTAINED BY EPOXIDATION OF AN UNSUBSTITUTED EPOXIDATION-SUSCEPTIBLE MATERIAL CONTAINING AN ETHYLENIC LINKAGE SELECTED FROM THE CLASS CONSISTING OF HIGHER FATTY ACIDS CONTAINING 8 TO 22 CARBON ATOMS, LOWER ALKANOL ESTERS OF HIGHER FATTY ACIDS CONTAINING 8 TO 22 CARBON ATOMS, AMIDES OF HIGHER FATTY ACIDS CONTAINING 8 TO 22 CARBON ATOMS, AND NATURALLY OCCURRING GLYCERIDES OF HIGHER FATTY ACIDS, SAID COMPOUND HAVING ON THE AVERAGE, APPROXIMATELY ONE OXIRANE RING ON EACH FATTY ACID RADICAL, AND (B) OXYALKYLATION-SUSCEPTIBLE POLYOLS AND OXYALKYLATED POLYOLS COMPOSED OF CARBON, HYDROGEN AND OXYGEN ATOMS, SAID POLYHYDROXYLATED COMPOUNDS BEING CHARACTERIZED BY FREEDOM FROM ANY RADICAL HAVING AT LEAST 8 UNINTERRUPTED CARBOM ATOMS, FREEDOM FROM FUNCTIONAL GROUPS OTHER THAN HYDROXY GROUPS AND A MOLECULAR WEIGHT NOT IN EXCESS OF 10,000, SAID REACTANTS BEING NONRESINUOUS IN NATURE, THE PROPORTIONS OF (A) AND (B) BEING FROM ABOUT 0.5 TO 1 MOLE OF (B) PER OXIRANE RING IN (A), THE REACTION INVOLVING RUPTURE OF EACH OXIRANE RING AND BEING LIMITED TO FORMATION OF THE FOLLOWING GROUPING
Claim 2
Dependent Claim
214 words
THE POLYAMINE CONTAINING REACTION PRODUCTS OBTAINED BY REACTING AT A TEMPERATURE OF ABOUT 110*C. TO 310*C. FOR FROM ABOUT 1.5 TO 5 HOURS (A) THE RESULTANT OF REACTION AT A TEMPERATURE OF ABOUT 65*C. TO 170*C. FOR FROM ABOUT 1 TO 5 HOURS BETWEEN (A) AN OXIRANE RING-CONTAINING COMPOUND OBTAINED BY EPOXIDATION OF AN UNSUBSTITUTED EPOXIDATION-SUSCEPTIBLE MATERIAL CONTAINING AN ETHYLENIC LINKAGE SELECTED FROM THE CLASS CONSISTING OF HIGHER FATTY ACIDS CONTAINING 8 TO 22 CARBON ATOMS, LOWER ALKANOL ESTERS OF HIGHER FATTY ACIDS CONTAINING 8 TO 22 CARBON ATOMS, AMIDES OF HIGHER FATTY ACIDS CONTAINING 8 TO 22 CARBON ATOMS, AND NATURALLY OCCURRING GLYCERIDES OF HIGHER FATTY ACIDS, SAID COMPOUND HAVING ON THE AVERAGE, APPROXIMATELY ONE OXIRANE RING ON EACH FATTY ACID RADICAL, AND (B) OXYALKYLATION-SUSCEPTIBLE POLYOLS AND OXYALKYLATED POLYOLS COMPOSED OF CARBON, HYDROGEN AND OXYGEN ATOMS, SAID POLYHYDROXYLATED COMPOUNDS BEING CHARACTERIZED BY FREEDOM FROM ANY RADICAL HAVING AT LEAST 8 UNINTERRUPTED CARBOM ATOMS, FREEDOM FROM FUNCTIONAL GROUPS OTHER THAN HYDROXY GROUPS AND A MOLECULAR WEIGHT NOT IN EXCESS OF 10,000, SAID REACTANTS BEING NONRESINUOUS IN NATURE, THE PROPORTIONS OF (A) AND (B) BEING FROM ABOUT 0.5 TO 1 MOLE OF (B) PER OXIRANE RING IN (A), THE REACTION INVOLVING RUPTURE OF EACH OXIRANE RING AND BEING LIMITED TO FORMATION OF THE FOLLOWING GROUPING
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |