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US3085071A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymerization of epoxides

Assignee: Union Carbide Corp
•
Filing: 1960-03-02
•
Granted: 1963-04-09
•
Expires: 1980-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Frederick E Bailey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:25
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2642; C08G65/2645; C08G65/2651

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 13 words
A PROCESS WHICH COMPRISES CONTACTING A VICINALEPOXY HYDROCARBON CHARACTERIZED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim 13 words
A PROCESS WHICH COMPRISES CONTACTING A VICINALEPOXY HYDROCARBON CHARACTERIZED BY THE FOLLOWING FORMULA:

References Cited (Backward Citations)

US1976678A Cited
US2917470A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-08 1966-10-08 1967-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-08 1970-10-08 1971-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-08 1974-10-08 1975-04-09 $7700.00 Window Closed / Lapsed

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