Patent US3223755A successfully refreshed from Google Patents.
US3223755A
Expired / Lapsed
US
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Process for the bromination of allyl esters
Assignee: EIDP Inc
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Filing: 1962-06-15
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Granted: 1965-12-14
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert W Rimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:36
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/113; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
THE PROCESS FOR THE ADDIITON BROMNATION OF AN ALLYL ESTER WHICH COMPRISES (A) BROMINATING A NEUTRAL ALLYL ESTER OF AN ACID OF THE GROUP CONSISTING OF AN ALKANOIC CARBOXYLIC ACID OF 1 TO 4 CARBON ATOMS, PHOSPHORIC ACID, PYROPHOSPHORIC ACID, AND ALLYLPHOSPHONIC ACID, (B) AT A TEMPERATURE OF ABOUT -20*C. TO 100*C., (C) WITH ABOUT 1 MOL OF ELEMENTAL BROMINE FOR EACH ETHYLENIC UNSATURATION IN EACH MOL OF THE ALLYL ESTER, (D) IN THE PRESENCE OF ABOUT 1% TO ABOUT 50% BY WEIGHT, BASED ON THE ALLYL ESTER, OF A METAL HALIDE OF A METAL OF THE GROUP CONSISTING OF LI, BE, MG, CA, ZN, SR, DC AND BA IN WHICH THE HALOGEN HAS AN ATOMIC NUMBER OF 17-35, (E) IN ABOUT 50% TO ABOUT 500% BY VOLUME, BASED ON THE ALLYL ESTER, OF A LIQUID, INERT, NON-POLAR ORGANIC SOLVENT HAVING A NORMAL BOILING POINT IN THE RANGE OF ABOUT -20*C. TO ABOUT 185*C.
Claim 2
Dependent Claim
154 words
THE PROCESS FOR THE ADDIITON BROMNATION OF AN ALLYL ESTER WHICH COMPRISES (A) BROMINATING A NEUTRAL ALLYL ESTER OF AN ACID OF THE GROUP CONSISTING OF AN ALKANOIC CARBOXYLIC ACID OF 1 TO 4 CARBON ATOMS, PHOSPHORIC ACID, PYROPHOSPHORIC ACID, AND ALLYLPHOSPHONIC ACID, (B) AT A TEMPERATURE OF ABOUT -20*C. TO 100*C., (C) WITH ABOUT 1 MOL OF ELEMENTAL BROMINE FOR EACH ETHYLENIC UNSATURATION IN EACH MOL OF THE ALLYL ESTER, (D) IN THE PRESENCE OF ABOUT 1% TO ABOUT 50% BY WEIGHT, BASED ON THE ALLYL ESTER, OF A METAL HALIDE OF A METAL OF THE GROUP CONSISTING OF LI, BE, MG, CA, ZN, SR, DC AND BA IN WHICH THE HALOGEN HAS AN ATOMIC NUMBER OF 17-35, (E) IN ABOUT 50% TO ABOUT 500% BY VOLUME, BASED ON THE ALLYL ESTER, OF A LIQUID, INERT, NON-POLAR ORGANIC SOLVENT HAVING A NORMAL BOILING POINT IN THE RANGE OF ABOUT -20*C. TO ABOUT 185*C.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |