Patent US3248248A successfully refreshed from Google Patents.
US3248248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light stable polymer composition
Assignee: Monsanto Co
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Filing: 1962-04-20
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Granted: 1966-04-26
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Aubert Y Coran
- 👤 Constantine E Anagnostopoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:45
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COMPOSITION COMPRISING A POLYMER SELECTED FROM THE CLASS CONSISTING OF CELLULOSIC POLYMERS, VINYL AROMATIC HYDROCARBON POLYMERS, VINYL CARBOXYLATE HOMOPOLYMERS, POLYAMIDES, CROSS-LINKED POLYESTERS, CHLORINATED RUBBER POLYMERS AND OLEFINIC HYDROCARBON POLYMERS, AND FROM ABOUT 0.001% TO ABOUT 10% BY WEIGHT, BASED UPON THE WEIGHT OF SAID POLYMER, OF A COMPOUND OF THE FORMULA,
Claim 2
Dependent Claim
52 words
A COMPOSITION COMPRISING A POLYMER SELECTED FROM THE CLASS CONSISTING OF CELLULOSIC POLYMERS, VINYL AROMATIC HYDROCARBON POLYMERS, VINYL CARBOXYLATE HOMOPOLYMERS, POLYAMIDES, CROSS-LINKED POLYESTERS, CHLORINATED RUBBER POLYMERS AND OLEFINIC HYDROCARBON POLYMERS, AND FROM ABOUT 0.001% TO ABOUT 10% BY WEIGHT, BASED UPON THE WEIGHT OF SAID POLYMER, OF A COMPOUND OF 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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |