US2634260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal molybdite catalyzed polymerization
Assignee: EIDP Inc
•
Filing: 1949-11-18
•
Granted: 1953-04-07
•
Expires: 1969-11-18
Abstract
No abstract record available.
Inventors
- 👤 James E Carnahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:29
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/16; B01J23/24; B01J23/28; C; C08; C08F; C08F4/00; C08F4/06; Y; Y10; Y10S; Y10S260/00; Y10S260/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A PROCESS FOR THE POLYMERIZATION OF AN ETHYLENICALLY UNSATURATED POLYMERIZABLE ORGANIC COMPOUND CONTAINING AN ETHYLENIC DOUBLE BOND AS THE SOLE ALIPHATIC CARBON-TO-CARBON UNSATURATION AND WHICH IS CAPABLE OF UNDERGOING ADDITION POLYMERIZATION ACROSS AN ETHYLENIC DOUBLE BOND IN THE PRESENCE OF A PEROXY CATALYST, THE IMPROVEMENT WHICH COMPRISES POLYMERIZING SAID ETHYLENICALLY UNSATURATED POLYMERIZABLE COMPOUND IN CONTACT WITH A MOLYBDITE OF A METAL WHOSE IONS ARE SOLUBLE IN AQUEOUS AMMONIA IN AMOUNT GREATER THAN THAT STOICHIOMETRICALLY REQUIRED TO PRECIPITATE THE METAL ION, SAID METAL MOLYBDITE BEING A METAL SALT OF AN ACID SELECTED FROM THE CLASS CONSISTING OF THE ACID HAVING THE FORMULA H2MO03 AND THE ACID HAVING THE FORMULA H2MO03 AND THE ACID HAVING THE FORMULA H2MO02.
Claim 2
Dependent Claim
117 words
IN A PROCESS FOR THE POLYMERIZATION OF AN ETHYLENICALLY UNSATURATED POLYMERIZABLE ORGANIC COMPOUND CONTAINING AN ETHYLENIC DOUBLE BOND AS THE SOLE ALIPHATIC CARBON-TO-CARBON UNSATURATION AND WHICH IS CAPABLE OF UNDERGOING ADDITION POLYMERIZATION ACROSS AN ETHYLENIC DOUBLE BOND IN THE PRESENCE OF A PEROXY CATALYST, THE IMPROVEMENT WHICH COMPRISES POLYMERIZING SAID ETHYLENICALLY UNSATURATED POLYMERIZABLE COMPOUND IN CONTACT WITH A MOLYBDITE OF A METAL WHOSE IONS ARE SOLUBLE IN AQUEOUS AMMONIA IN AMOUNT GREATER THAN THAT STOICHIOMETRICALLY REQUIRED TO PRECIPITATE THE METAL ION, SAID METAL MOLYBDITE BEING A METAL SALT OF AN ACID SELECTED FROM THE CLASS CONSISTING OF THE ACID HAVING THE FORMULA H2MO03 AND THE ACID HAVING THE FORMULA H2MO03 AND THE ACID HAVING THE FORMULA H2MO02.
References Cited (Backward Citations)
US2487564A
Cited
US2393288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |