Patent US3225010A successfully refreshed from Google Patents.
US3225010A
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Urethanes from polyphosphorous hydroxyl terminated phosphonates
Assignee: GE Chemicals Inc
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Filing: 1965-03-25
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Granted: 1965-12-21
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Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Friedman Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:24
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C08G79/04; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/093; C07F9/141; C07F9/16; C07F9/165; C07F9/1651; C07F9/28; C07F9/38; C07F9/40; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657163; C07F9/657181; C07F9/6574; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5075; C08G18/5081; C08G18/5087; C08G18/5093; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A POLYURETHANE COMPRISING THE REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE AND A PHOSPHONATE HAVING THE FORMULA
Claim 2
Dependent Claim
16 words
A POLYURETHANE COMPRISING THE REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE AND A PHOSPHONATE HAVING THE FORMULA
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |