US3051748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometallic compounds
Assignee: —
•
Filing: —
•
Granted: 1962-08-28
•
Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:45
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/50; C07C51/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS FOR THE PREPARATION OF A METAL SALT OF 2CARBOXY-3-METALLO PROPENE WHICH COMPRISES REACTING A METAL SALT OF 2-METHYL PROPENOIC ACID WITH A METALATING AGENT SELECTAED FROM THE GROUP CONSISTING OF ALKALI METAL AMIDES, ALKALINE EARTAH MEATL AMIDES, ALKALI METAL HYDRIDES, ALKALINE EARTH METAL HYDRIDES, ALKALI METALS AND ALKALINE EARTH METALS, THE METAL CONSTITUENT OF SAID LAST NAMED METAL SALT HAVING A VALENCE OF 1 THROUGH 4, INCLUSIVE; SAID PROCESS BEING CONDUCTED IN AN INERT ATMOSPHERE AND AT A TEMPERATURE OF ABOUT 160*C. UP TO THE DECOMPOSITION TEMPERATURE OF THE 2-CARBOXY-3-METALLO PROPENE SALT PRODUCED.
Claim 2
Dependent Claim
95 words
A PROCESS FOR THE PREPARATION OF A METAL SALT OF 2CARBOXY-3-METALLO PROPENE WHICH COMPRISES REACTING A METAL SALT OF 2-METHYL PROPENOIC ACID WITH A METALATING AGENT SELECTAED FROM THE GROUP CONSISTING OF ALKALI METAL AMIDES, ALKALINE EARTAH MEATL AMIDES, ALKALI METAL HYDRIDES, ALKALINE EARTH METAL HYDRIDES, ALKALI METALS AND ALKALINE EARTH METALS, THE METAL CONSTITUENT OF SAID LAST NAMED METAL SALT HAVING A VALENCE OF 1 THROUGH 4, INCLUSIVE; SAID PROCESS BEING CONDUCTED IN AN INERT ATMOSPHERE AND AT A TEMPERATURE OF ABOUT 160*C. UP TO THE DECOMPOSITION TEMPERATURE OF THE 2-CARBOXY-3-METALLO PROPENE SALT PRODUCED.
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |