US3206474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetal and ketal phosphonates
Assignee: Carlisle Chemical Works Inc
•
Filing: 1962-12-20
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Granted: 1965-09-14
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Hechenbleikner Ingenuin
- 👤 Kenneth R Molt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/18; C07D317/20; C07D317/22; C07D319/00; C07D319/04; C07D319/06; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/1411; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075; C07F9/547; C07F9/655; C07F9/65515; C07F9/65517; C07F9/6552; C07F9/6564; C07F9/6571; C07F9/6574; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; C08G18/3882; C08G18/3887; C08K5/52; C08K5/524; C08K5/529; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A PHOSPHONATE HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A PHOSPHONATE HAVING THE FORMULA
References Cited (Backward Citations)
US3006946A
Cited
US2847421A
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US3076011A
Cited
US3033887A
Cited
US3050531A
Cited
US3093672A
Cited
US3053877A
Cited
US3081333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |