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US2787634A Expired / Lapsed US ⏱️ 0.0 years remaining

Inhibition of autopolymerization in vinyl-type compounds

Assignee: Eastman Kodak Co
•
Filing: 1953-08-19
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Granted: 1957-04-02
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Expires: 1973-08-19
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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 2026-11-03 15:43
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)

US1950438A Cited
US2225471A Cited
US2301131A Cited
US2481080A Cited
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

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