Patent US3131206A successfully refreshed from Google Patents.
US3131206A
Expired / Lapsed
US
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Polyalkylene glycol esters of alpha-hydroxy beta, beta, beta-trichloroethane phosphonic acid
Assignee: GE Chemicals Inc
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Filing: 1962-01-18
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Granted: 1964-04-28
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Friedman Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:01
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; C08G63/6926; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/093; C07F9/141; C07F9/1411; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/4071; C07F9/4075; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; C08G18/40; C08G18/48; C08G18/50; C08G18/5075; C08G18/5078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A MEMBER OF THE GROUP CONSISTING OF PHOSPHATES HAVING THE FORMULAE
Claim 2
Dependent Claim
11 words
A MEMBER OF THE GROUP CONSISTING OF PHOSPHATES HAVING THE FORMULAE
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |