Patent US2917547A successfully refreshed from Google Patents.
US2897201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy quaternary ammonium compounds
Assignee: —
•
Filing: —
•
Granted: 1959-07-28
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Expires: 1976-07-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:44
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/14; C07C; C07C213/00; C07C213/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
A WATER-SOLUBLE QUATERNARY AMMONIUM COMPOUND CONTAINING OXIRANE WHICH IS OBTAINED BY QUATERNATING 1 MOL OF THE CONDENSATION PRODUCT FROM 1 MOL OF AN N-ALKYL-PROPYLENE DIAMINE IN WHICH THE ALKYL RADICAL CONTAINS 16 TO 18 CARBON ATOMS AND 7 MOLS OF ETHYLENE OXIDE AND WHICH CONDESATION PRODUCT CONTAINS TWO TERTIARY AMINO GROUPS AND IS PRESENT IN ITS FREE STATE, WITH 2 MOLS OF EPICHLORHYDRIN IN A NONAQUEOUS MEDIUM AT TEMPERATURES RANGING FROM 70 TO 120* C.
Claim 2
Dependent Claim
75 words
A WATER-SOLUBLE QUATERNARY AMMONIUM COMPOUND CONTAINING OXIRANE WHICH IS OBTAINED BY QUATERNATING 1 MOL OF THE CONDENSATION PRODUCT FROM 1 MOL OF AN N-ALKYL-PROPYLENE DIAMINE IN WHICH THE ALKYL RADICAL CONTAINS 16 TO 18 CARBON ATOMS AND 7 MOLS OF ETHYLENE OXIDE AND WHICH CONDESATION PRODUCT CONTAINS TWO TERTIARY AMINO GROUPS AND IS PRESENT IN ITS FREE STATE, WITH 2 MOLS OF EPICHLORHYDRIN IN A NONAQUEOUS MEDIUM AT TEMPERATURES RANGING FROM 70 TO 120* C.
Claim 3
Dependent Claim
63 words
A WATER-SOLUBLE QUATERNARY AMMONIUM COMPOUND CONTAINING OXIRANCE RINGS WHICH IS OBTAINED BY QUATERNATING 1 MOL OF THE CONDENSATION PRODUCT FROM 1 MOL OXF PIPERAZINE AND 2 MOLS OF ETHYLENE OXIDE AND WHICH CONDENSATION PRODUCT CONTAINS TWO TERTIARY AMINO GROUPS AND IS PRESENT IN ITS FREE STATE, WITH 2 MOLS OXF EPICHLORHYDRIN IN A NON-AQUEOUS MEDIUM AT TEMPERATURES RANGING FROM 70 TO 120* C.
Claim 4
Dependent Claim
63 words
A WATER-SOLUBLE QUATERNARY AMMONIUM COMPOUND CONTAINING OXIRANCE RINGS WHICH IS OBTAINED BY QUATERNATING 1 MOL OF THE CONDENSATION PRODUCT FROM 1 MOL OXF PIPERAZINE AND 2 MOLS OF ETHYLENE OXIDE AND WHICH CONDENSATION PRODUCT CONTAINS TWO TERTIARY AMINO GROUPS AND IS PRESENT IN ITS FREE STATE, WITH 2 MOLS OXF EPICHLORHYDRIN IN A NON-AQUEOUS MEDIUM AT TEMPERATURES RANGING FROM 70 TO 120* C.
References Cited (Backward Citations)
US2143388A
Cited
US2136928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |