US2518266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium textile treatment agents and method of application thereof
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1947-07-28
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Granted: 1950-08-08
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Expires: 1967-07-28
Abstract
No abstract record available.
Inventors
- 👤 Baird William
- 👤 Lowe Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/425; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
NEW QUATERNARY COMPOUNDS OF THE FORMULA R(OCONHCH2AX)N WHEREIN R REPRESENTS A RADICAL OF THE GROUP CONSISTING OF ALKYLENE RADICALS, HIGHER FATTY ACID ESTERS OF POLYALKYLOLS, AND HIGHER FATTY ACID AMIDES OF ALKYLENE AMINES, X IS A HALOGEN RADICAL, N IS GREATER THAN 1 AND A REPRESENTS THE RADICAL OF A NITROGENOUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF HETEROCYCLIC TERTIARY AMINES, ALIPHATIC TERTIARY AMINES, THIOUREA AND TETRAMETHYL THIOUREA.
Claim 2
Dependent Claim
68 words
NEW QUATERNARY COMPOUNDS OF THE FORMULA R(OCONHCH2AX)N WHEREIN R REPRESENTS A RADICAL OF THE GROUP CONSISTING OF ALKYLENE RADICALS, HIGHER FATTY ACID ESTERS OF POLYALKYLOLS, AND HIGHER FATTY ACID AMIDES OF ALKYLENE AMINES, X IS A HALOGEN RADICAL, N IS GREATER THAN 1 AND A REPRESENTS THE RADICAL OF A NITROGENOUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF HETEROCYCLIC TERTIARY AMINES, ALIPHATIC TERTIARY AMINES, THIOUREA AND TETRAMETHYL THIOUREA.
References Cited (Backward Citations)
US2303191A
Cited
US2380133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |