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US3025269A Expired / Lapsed US ⏱️ 0.0 years remaining

Ethylene-diethylene glycol monovinyl ether copolymer

Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-12-28
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Granted: 1962-03-13
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Expires: 1979-12-28
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Abstract

No abstract record available.

Inventors

  • 👤 John D Calfee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 07:58
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F10/00; C08L; C08L29/00; C08L29/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 29 words
A HIGH MOLECULAR WEIGHT NORMALLY-SOLID COPOLYMEROF ETHYLENE AND DIETHYLENE GLYCOL MONOVINYL ETHER IN WHICH POLYMERIZATE OF THE SAID ETHER CONSTITUTES ABOUT 1% TO 20% BY WEIGHT OF THE POLYMER.
Claim 2
Dependent Claim 29 words
A HIGH MOLECULAR WEIGHT NORMALLY-SOLID COPOLYMEROF ETHYLENE AND DIETHYLENE GLYCOL MONOVINYL ETHER IN WHICH POLYMERIZATE OF THE SAID ETHER CONSTITUTES ABOUT 1% TO 20% BY WEIGHT OF THE POLYMER.

References Cited (Backward Citations)

US2467234A Cited
US2828220A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-12 1965-09-11 1966-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-12 1969-09-11 1970-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-12 1973-09-11 1974-03-13 $7700.00 Window Closed / Lapsed

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