US2943108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of carbamates from amides
Assignee: Hooker Chemical Corp
•
Filing: 1958-03-31
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Granted: 1960-06-28
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jack S Newcomer
- 👤 Keith J Smith
- 👤 Linder Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:48
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR THE PRODUCTION OF A CARBAMATE WHICH COMPRISES REACTING AN AMIDE HAVING THE STRUCTURE R-CONH2 WHERE R IS AN ARYL RADICAL, WITH AN ALCOHOL HAVING THE STRUCTURE R''-CH2OH WHERE R'' IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND AN ALIPHATIC RADICAL IN THE PRESENCE OF A HALOGENATING AGENT SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND MIXTURES THEREOF, AND A BASE SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL CARBONATES, BICARBONATES, AND BORATES, AND ALKALI METAL CARBONATES, BICARBONATES, BORATES, OXIDE AND HYDROXIDES.
Claim 2
Dependent Claim
89 words
A PROCESS FOR THE PRODUCTION OF A CARBAMATE WHICH COMPRISES REACTING AN AMIDE HAVING THE STRUCTURE R-CONH2 WHERE R IS AN ARYL RADICAL, WITH AN ALCOHOL HAVING THE STRUCTURE R''-CH2OH WHERE R'' IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND AN ALIPHATIC RADICAL IN THE PRESENCE OF A HALOGENATING AGENT SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND MIXTURES THEREOF, AND A BASE SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL CARBONATES, BICARBONATES, AND BORATES, AND ALKALI METAL CARBONATES, BICARBONATES, BORATES, OXIDE AND HYDROXIDES.
References Cited (Backward Citations)
US2860166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |