Patent US3122504A successfully refreshed from Google Patents.
US3122504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products of polyalkylenepolyamines and esters of high molecular carboxylic acids
Assignee: BOHME FELLCHEMIE GmbH
•
Filing: 1961-02-27
•
Granted: 1964-02-25
•
Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Wedoll Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:07
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS OF PRODUCING PARTIALLY AMIDIFIED CONDENSATION PRODUCTS COMPRISING REACTING AN AMINE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYLENE DIAMINES HAVING 2 TO 6 CARBON ATOMS AND POLY-ETHYLENE POLYAMINES HAVING 3 TO 4 NITROGEN ATOMS AND 4 TO 6 CARBON ATOMS WITH AN ESTER OF A HIGHER FATTY ACID HAVING 8 TO 22 CARBON ATOMS WHOSE ALCOHOL PORTION IS SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND ALKANOLS HAVING 1 TO 20 CARBON ATOMS AT A TEMPERATURE FROM 60*C. TO 100* C. FOR 10 TO 30 MINUTES, 0.67 TO 1.45 MOLS OF SAID FATTY ACID ESTER GROUPS BEING PRESENT PER MOLECULAR EQUIVALENT OF NITROGEN ATOMS IN SAID AMINE, AND TRHEN ACIDIFYING THE CONDENSATION REACTION PRODUCT WITH A LOWER ALKANOIC ACID TO A NEUTRAL TO SLIGHTLY ACID END POINT.
Claim 2
Dependent Claim
129 words
A PROCESS OF PRODUCING PARTIALLY AMIDIFIED CONDENSATION PRODUCTS COMPRISING REACTING AN AMINE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYLENE DIAMINES HAVING 2 TO 6 CARBON ATOMS AND POLY-ETHYLENE POLYAMINES HAVING 3 TO 4 NITROGEN ATOMS AND 4 TO 6 CARBON ATOMS WITH AN ESTER OF A HIGHER FATTY ACID HAVING 8 TO 22 CARBON ATOMS WHOSE ALCOHOL PORTION IS SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND ALKANOLS HAVING 1 TO 20 CARBON ATOMS AT A TEMPERATURE FROM 60*C. TO 100* C. FOR 10 TO 30 MINUTES, 0.67 TO 1.45 MOLS OF SAID FATTY ACID ESTER GROUPS BEING PRESENT PER MOLECULAR EQUIVALENT OF NITROGEN ATOMS IN SAID AMINE, AND TRHEN ACIDIFYING THE CONDENSATION REACTION PRODUCT WITH A LOWER ALKANOIC ACID TO A NEUTRAL TO SLIGHTLY ACID END POINT.
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |