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US2848413A
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Novel mixtures of quaternary ammonium salts
Assignee: Wyeth Holdings LLC
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Filing: 1957-05-22
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Granted: 1958-08-19
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Expires: 1977-05-22
Abstract
No abstract record available.
Inventors
- 👤 Walter H Schuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:45
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/355; D06M13/358; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A NEW COMPOSITION OF MATTER COMPRISING AN EQUIMOLAR MIXTURE OF POLYMETHYLOL DERIVATIVES OF (A) N(4 - AMINO - 6 - ANILINO - S - TRIAZINYLMETHYL) - N,N,NTRIMETHYLAMMONIUM CHLORIDE AND (B) A N,N,N - (2 - HYDROXYETHYL) - N - (4 - AMINO - 6 - ANILINO - S - TRAZINYLMETHYL) AMMONIUM CHLORIDE, THE LATTER BEING REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
59 words
A NEW COMPOSITION OF MATTER COMPRISING AN EQUIMOLAR MIXTURE OF POLYMETHYLOL DERIVATIVES OF (A) N(4 - AMINO - 6 - ANILINO - S - TRIAZINYLMETHYL) - N,N,NTRIMETHYLAMMONIUM CHLORIDE AND (B) A N,N,N - (2 - HYDROXYETHYL) - N - (4 - AMINO - 6 - ANILINO - S - TRAZINYLMETHYL) AMMONIUM CHLORIDE, THE LATTER BEING REPRESENTED BY THE 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 |