US2848453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethoxamer of a novel quaternary
Assignee: —
•
Filing: —
•
Granted: 1958-08-19
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:00
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/16; C07D251/18; A; A61; A61K; A61K2300/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
AS A NEW COMPOSITION OF MATTER: A METHYLOL DERIVATIVE OF N-(2-HYDROXYETHYL)-N-(4-AMINO-6-ANILINO-S-TRIAZINYLMETHYL)-N,N -DIMETHYLAMMONIUM CHLORIDE REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
18 words
AS A NEW COMPOSITION OF MATTER: A METHYLOL DERIVATIVE OF N-(2-HYDROXYETHYL)-N-(4-AMINO-6-ANILINO-S-TRIAZINYLMETHYL)-N,N -DIMETHYLAMMONIUM CHLORIDE REPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
US2719156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |