US3119861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of beta-halo carboxylic acid halides
Assignee: NAT DISTIILERS AND CHEMICAL CO
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Filing: 1960-10-24
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Granted: 1964-01-28
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Angus U Blackham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:31
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/10; C07C51/14; C07C51/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR THE PREPARATION OF BETA-HALCARBOXYLIC ACID HALIDES WHICH COMPRISES REACTING CARBON MONOXIDE WITH A COMPLES FROM THE GROUP CONSISTING OF PD(L)X2 AND (PDLX2)2, WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE ATOMS AND L IS AN OLEFINIC HYDROCAROBN CAPABLE OF FORMING A $-COMPLEX THROUGH THE CARBON-CARBON DOUBLE BOND SELECTED FROM THE GROUP CONSISTING OF ALKENES, STYRENE AND BIALLYL, IN THE PRESENCE OF A LIQUID REACTION MEDIUM INERT TO BETA-HALOCARBOXYLIC ACID HALIDES.
Claim 2
Dependent Claim
77 words
A PROCESS FOR THE PREPARATION OF BETA-HALCARBOXYLIC ACID HALIDES WHICH COMPRISES REACTING CARBON MONOXIDE WITH A COMPLES FROM THE GROUP CONSISTING OF PD(L)X2 AND (PDLX2)2, WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE ATOMS AND L IS AN OLEFINIC HYDROCAROBN CAPABLE OF FORMING A $-COMPLEX THROUGH THE CARBON-CARBON DOUBLE BOND SELECTED FROM THE GROUP CONSISTING OF ALKENES, STYRENE AND BIALLYL, IN THE PRESENCE OF A LIQUID REACTION MEDIUM INERT TO BETA-HALOCARBOXYLIC ACID HALIDES.
References Cited (Backward Citations)
US2565461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |