US2581285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium salts of morpholyl ethers
Assignee: J B NIEDERL AND ASSOCIATES Inc
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Filing: 1946-06-28
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Granted: 1952-01-01
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Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Niederl
- 👤 Niederl Victor
- 👤 Martin E Mcgreal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:08
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
19 words
A NEUTRAL, WATER SOLUBLE, CAPILLARY-ACTIVE AND SUBSTANTIALLY ACID AND ALKALI-STABLE DISINFECTING N-ALKYL-N-(B-ALKOXY) ETHYL MORPHOLINIUM ALKYL SULFATE HAVING THE FORMULA
References Cited (Backward Citations)
US2295504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |