US3427334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double metal cyanides complexed with an alcohol aldehyde or ketone to increase catalytic activity
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1966-01-13
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Granted: 1969-02-11
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Expires: 1986-01-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Belner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:54
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J27/00; B01J27/24; B01J27/26; B01J31/20; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2213; B60; B60C; B60C1/00; B60C1/0016; B60C1/0025; B60C11/00; C; C07; C07F; C07F17/00; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2642; C08G65/2645; C08G65/2663; B01J2231/00; B01J2231/10; B01J2531/00; B01J2531/02; B01J2531/0202; B01J2531/0205; B01J2531/20; B01J2531/24; B01J2531/26; B01J2531/50; B01J2531/56; B01J2531/60; B01J2531/70; B01J2531/72; B01J2531/80; B01J2531/84; B01J2531/842
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |