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US2695291A
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Pol-alkoxy-morpholinium alkyl sulfates
Assignee: J B Niederl & Associates Inc
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Filing: 1950-05-17
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Granted: 1954-11-23
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Expires: 1970-05-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Niederl
- 👤 Martin E Mcgreal
- 👤 William F Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:40
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
QUATERNARY MORPHOLINIUM ALKYL SULFATES POSSESSING THE FOLLOWING STRUCTURE: IN WHICH R AND Y ARE CONTINUOUS CARBON CHAINS OF FROM 1 TO 18 CARBON ATOMS, AND WHERE N IS FROM 3 TO 6.
Claim 2
Dependent Claim
32 words
QUATERNARY MORPHOLINIUM ALKYL SULFATES POSSESSING THE FOLLOWING STRUCTURE: IN WHICH R AND Y ARE CONTINUOUS CARBON CHAINS OF FROM 1 TO 18 CARBON ATOMS, AND WHERE N IS FROM 3 TO 6.
References Cited (Backward Citations)
US2581285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |