US2897200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New polymerizable vinyl ether quaternary ammonium compounds
Assignee: BASF Schweiz AG
•
Filing: 1954-10-25
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Granted: 1959-07-28
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Maeder Arthur
- 👤 Albrecht Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:05
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; C07C; C07C255/00; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D295/12; C07D295/125; C07D295/13; C07D295/14; C07D295/145; C07D295/15; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/463; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; D06P; D06P1/00; D06P1/44; D06P1/655; D06P1/66; D06P5/00; D06P5/22; D06P5/225; Y; Y10; Y10S; Y10S526/00; Y10S526/923
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A NEW QUATERNARY POLYMERIZABLE VINYL ETHER WHICH CORRESPONDS TO THE FORMULA
Claim 2
Dependent Claim
11 words
A NEW QUATERNARY POLYMERIZABLE VINYL ETHER WHICH CORRESPONDS TO THE FORMULA
Claim 3
Dependent Claim
7 words
THE QUATERNARY AMMONIUM COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
7 words
THE QUATERNARY AMMONIUM COMPOUND OF THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |