Patent US1359128A successfully refreshed from Google Patents.
Patent US3285945A successfully refreshed from Google Patents.
US3285945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of ester salts
Assignee: —
•
Filing: —
•
Granted: 1966-11-15
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:34
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003; C07C; C07C29/00; C07C29/68; C07C29/70; C07C31/00; C07C31/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
PROCESS WHICH COMPRISES REACTING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF THE OXIDE AND THE HYDROXIDE OF A METAL OF GROUP II OF THE PERIODIC SYSTEM WITH A PARTIAL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF DI AND MULTIBASIC SATURATED AND UNSATURATED ALIPHATIC CARBOXYLIC ACIDS HAVING FROM 3 TO 10 CARBON ATOMS AND AN ALIPHATIC ALCOHOL HAVING FROM 6 TO 20 CARBON ATOMS, IN SUBSTANTIALLY CHEMICALLY EQUIVALENT AMOUNTS AT A TEMPERATURE WITHIN THE RANGE FROM 10 TO 120*C., AND IN A SUBSTANTIALLY HOMOGENEOUS LIQUID MEDIUM CONSISTING ESSENTIALLY OF FROM 0.5 TO 20% BY VOLUME OF AT LEAST ONE LOWER ALIPHATIC ALCOHOL AND 99.5 TO 80% BY VOLUME OF A LIQUID THAT IS INERT UNDER THE REACTION CONDITIONS.
Claim 2
Dependent Claim
123 words
PROCESS WHICH COMPRISES REACTING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF THE OXIDE AND THE HYDROXIDE OF A METAL OF GROUP II OF THE PERIODIC SYSTEM WITH A PARTIAL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF DI AND MULTIBASIC SATURATED AND UNSATURATED ALIPHATIC CARBOXYLIC ACIDS HAVING FROM 3 TO 10 CARBON ATOMS AND AN ALIPHATIC ALCOHOL HAVING FROM 6 TO 20 CARBON ATOMS, IN SUBSTANTIALLY CHEMICALLY EQUIVALENT AMOUNTS AT A TEMPERATURE WITHIN THE RANGE FROM 10 TO 120*C., AND IN A SUBSTANTIALLY HOMOGENEOUS LIQUID MEDIUM CONSISTING ESSENTIALLY OF FROM 0.5 TO 20% BY VOLUME OF AT LEAST ONE LOWER ALIPHATIC ALCOHOL AND 99.5 TO 80% BY VOLUME OF A LIQUID THAT IS INERT UNDER THE REACTION CONDITIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |