Patent US3240751A successfully refreshed from Google Patents.
US3240751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of phosphites and epoxy resins containing phosphites by alkaline earthmetal oxides
Assignee: Monsanto Co
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Filing: 1960-06-03
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Granted: 1966-03-15
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Expires: 1980-06-03
Abstract
No abstract record available.
Inventors
- 👤 Cannou Joseph Anthony
- 👤 Darby Joseph Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:48
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C07; C07F; C07F9/00; C07F9/02; C07F9/025; C07F9/06; C07F9/08; C07F9/141; C07F9/16; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A COMPOSITION COMPRISING A PHOSPHITE ESTER OF THE STRUCTURE:
Claim 2
Dependent Claim
39 words
AN IMPROVED EPOXIDE COMPOSITION SUITABLE FOR USE IN FORMING CURED RESINOUS PRODUCTS COMPRISNG AN EPOXIDE RESIN, FROM ABOUT 5 TO ABOUT 150 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RESIN OF A PHOSPHITE ESTER OF THE STRUCTURE:
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |