US2787634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibition of autopolymerization in vinyl-type compounds
Assignee: Eastman Kodak Co
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Filing: 1953-08-19
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Granted: 1957-04-02
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Expires: 1973-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Coover
- 👤 Jr Newton H Shearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:09
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/38; C07; C07C; C07C7/00; C07C7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A COMPOSITION OF MATTER COMPRISING AN AUTOPOLYMERIZATION-SUSCEPTIBLE COMPOUND HAVING A TERMINAL ACYCLIC GROUP CH2=C$ AND NITROHYDROQUINONE ADMIXED WITH SAID COMPOUND IN AN AMOUNT EAUIVALENT TO ABOUT 0.01%-2.0% OF THE WEIGHT OF THE COMPOUND.
Claim 2
Dependent Claim
33 words
A COMPOSITION OF MATTER COMPRISING AN AUTOPOLYMERIZATION-SUSCEPTIBLE COMPOUND HAVING A TERMINAL ACYCLIC GROUP CH2=C$ AND NITROHYDROQUINONE ADMIXED WITH SAID COMPOUND IN AN AMOUNT EAUIVALENT TO ABOUT 0.01%-2.0% OF THE WEIGHT OF THE COMPOUND.
References Cited (Backward Citations)
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US2301131A
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US2481080A
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US2614119A
Cited
US2704770A
Cited
US2678945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |