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US3291856A Expired / Lapsed US ⏱️ 0.0 years remaining

Resinous condensation product of an ethoxyline resin and a polyalkylol phenol

Assignee: Interchemical Corp
•
Filing: 1962-03-07
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Granted: 1966-12-13
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Expires: 1982-03-07
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred M Tringali
  • 👤 Norman G Gaylord

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 18:24
CPC Classifications
C; C08; C08L; C08L63/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 38 words
AN ORGANIC SOLVENT SOLUBLE THERMOSETTING RESIN CONSISTING OF THE ACID CATALYZED CONDENSATION PRODUCTS OF AN ETHOXYLINE RESIN HAVING AN AVERAGE MOLECULAR WEIGHT OF 1300 TO 4000 AND AN EPOXIDE EQUIVALENT OF 870 TO 4000 AND THE GENERAL FORMULA
Claim 2
Dependent Claim 38 words
AN ORGANIC SOLVENT SOLUBLE THERMOSETTING RESIN CONSISTING OF THE ACID CATALYZED CONDENSATION PRODUCTS OF AN ETHOXYLINE RESIN HAVING AN AVERAGE MOLECULAR WEIGHT OF 1300 TO 4000 AND AN EPOXIDE EQUIVALENT OF 870 TO 4000 AND THE GENERAL FORMULA

References Cited (Backward Citations)

US2774748A Cited
US2838571A Cited
US2829123A Cited
US2907725A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-12 1970-06-13 1970-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-12 1974-06-13 1974-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-12 1978-06-13 1978-12-13 $7700.00 Window Closed / Lapsed

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