Patent US3062883A successfully refreshed from Google Patents.
US3062883A
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Preparation of alkanoic acid amides through hydrolysis of alkyl cyanides
Assignee: Honeywell International Inc
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Filing: 1960-07-13
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Granted: 1962-11-06
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Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Everett E Gilbert
- 👤 Edmund J Rumanowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:54
CPC Classifications
C; C07; C07C; C07C231/00; C07C231/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE PROCESS OF HYDROLYZING ALKYL CYANIDES OF FROM 2 TO 5 CARBON ATOMS WHICH COMPRISES HEATING THE ALKYL CYANIDE IN ACMIXTURE WITH STYRENE DIVINYL BENZENE COPOLYMER SUBSTITUTED ON THE BENZENE RINGS BYTETRAMETHY AMMONIUM HYDROXIDE MOIETIES AND CONTAINING OCCLUDED WATER, IN THE PROPORTIONS OF AT LEAST 3 MOLS OF ALKYL CYANIDE PER MOL OF WATER IN THE REACTION MIXTURE, TO A TEMPERATURE OF FROM 50* TO 120*C., THE AMOUNT OF SAID COPOLYMER PRESENT IN THE REACTION MIXTURE BEING SUFFICIENT TO PROVIDE, AS WATER IN THE COPOLYMER, THE AFORESAID RATIO OF WATER TO ALKYL CYANIDE, AND RECOVERING THE QAMIDE REACTION PRODUCT FROM THE REACTION MIXTURE.
Claim 2
Dependent Claim
103 words
THE PROCESS OF HYDROLYZING ALKYL CYANIDES OF FROM 2 TO 5 CARBON ATOMS WHICH COMPRISES HEATING THE ALKYL CYANIDE IN ACMIXTURE WITH STYRENE DIVINYL BENZENE COPOLYMER SUBSTITUTED ON THE BENZENE RINGS BYTETRAMETHY AMMONIUM HYDROXIDE MOIETIES AND CONTAINING OCCLUDED WATER, IN THE PROPORTIONS OF AT LEAST 3 MOLS OF ALKYL CYANIDE PER MOL OF WATER IN THE REACTION MIXTURE, TO A TEMPERATURE OF FROM 50* TO 120*C., THE AMOUNT OF SAID COPOLYMER PRESENT IN THE REACTION MIXTURE BEING SUFFICIENT TO PROVIDE, AS WATER IN THE COPOLYMER, THE AFORESAID RATIO OF WATER TO ALKYL CYANIDE, AND RECOVERING THE QAMIDE REACTION PRODUCT FROM THE REACTION MIXTURE.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |