US3226439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhalogenated alkyl imines and hydrazones and method of preparation
Assignee: EIDP Inc
•
Filing: 1963-01-10
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Granted: 1965-12-28
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Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 William J Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:06
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72; C07C247/00; C07C247/02; C07C247/04; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3802; C08G18/3814; C08G69/00; C08G69/42
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
38 words
A PROCESS OF PREPARING POLYHALOALKYLIDENE IMINES IN WHICH ALL HALOGENS ARE OF ATOMIC NUMBER 9-17 WHICH COMPRISES (A) CONTACTING AND REACTING, AT A TEMPERATURE IN THE RANGE -50*C. TO 0*C., HYDRAZOIC ACID WITH A POLYHALOTHIODETONE OF THE FORMULA:
Claim 4
Dependent Claim
38 words
A PROCESS OF PREPARING POLYHALOALKYLIDENE IMINES IN WHICH ALL HALOGENS ARE OF ATOMIC NUMBER 9-17 WHICH COMPRISES (A) CONTACTING AND REACTING, AT A TEMPERATURE IN THE RANGE -50*C. TO 0*C., HYDRAZOIC ACID WITH A POLYHALOTHIODETONE OF THE FORMULA:
Claim 5
Dependent Claim
34 words
A PROCESS OF PREPARING POLYHALOALKYIDENE IMINES AND N-ALKYL POLYHALOALKYLIDENE IMINES WHICH COMPRISES (A) INITIALLY PREPARING AN AMINO, HYDROXY-SUBSTITUTED POLYHALOALKANE BY REACTING, AT A TEMPERATURE MAINTAINED BETWEEN -50*C. AND 10*C., A KETONE OF THE FORMULA
Claim 6
Dependent Claim
34 words
A PROCESS OF PREPARING POLYHALOALKYIDENE IMINES AND N-ALKYL POLYHALOALKYLIDENE IMINES WHICH COMPRISES (A) INITIALLY PREPARING AN AMINO, HYDROXY-SUBSTITUTED POLYHALOALKANE BY REACTING, AT A TEMPERATURE MAINTAINED BETWEEN -50*C. AND 10*C., A KETONE OF THE FORMULA
Claim 7
Dependent Claim
32 words
A PROCESS OF PREPARING POLYHALOALKYLHYDRAZONES WHICH COMPRISES: (A) INITIALLY PREPARING AN AMINO, HYDRAZA-SUBSTITUTED POLYHALOALKANE BY REACTIN, AT A TEMPERATURE MAINTAINED BETWEEN -50*C. AND 10*C., HYDRAZINE WITH A POLYHALOALKYLIDENE IMINE OF THE FORMULA
Claim 8
Dependent Claim
32 words
A PROCESS OF PREPARING POLYHALOALKYLHYDRAZONES WHICH COMPRISES: (A) INITIALLY PREPARING AN AMINO, HYDRAZA-SUBSTITUTED POLYHALOALKANE BY REACTIN, AT A TEMPERATURE MAINTAINED BETWEEN -50*C. AND 10*C., HYDRAZINE WITH A POLYHALOALKYLIDENE IMINE OF THE FORMULA
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |