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US3268468A Expired / Lapsed US ⏱️ 0.0 years remaining

Epoxide compositions comprising an epoxide resin, a curing agent for said resin and a neutral ester of trivalent phosphorus acid having at least one carbon to phosphorus ond

Assignee: Monsanto Co
•
Filing: 1959-02-12
•
Granted: 1966-08-23
•
Expires: 1979-02-12
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Abstract

No abstract record available.

Inventors

  • 👤 Henry D Barnstorff
  • 👤 David H Chadwick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:59
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5393; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071; C08K5/5398

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 54 words
AN IMPROVED EPOXIDE COMPOSITION SUITABLE FOR USE IN FORMING CURED RESINOUS PRODUCTS COMPRISING AN EPOXIDE RESIN CONTAINING AT LEAST ONE 1,2-EPOXY GROUP, A CURING AGENT FOR SAID EPOXIDE RESIN AND FROM ABOUT 2 TO ABOUT 200 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RESIN OF A PHOSPHORUS ACID ESTER HAVING THE STRUCTURE:
Claim 2
Dependent Claim 54 words
AN IMPROVED EPOXIDE COMPOSITION SUITABLE FOR USE IN FORMING CURED RESINOUS PRODUCTS COMPRISING AN EPOXIDE RESIN CONTAINING AT LEAST ONE 1,2-EPOXY GROUP, A CURING AGENT FOR SAID EPOXIDE RESIN AND FROM ABOUT 2 TO ABOUT 200 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RESIN OF A PHOSPHORUS ACID ESTER HAVING THE STRUCTURE:

References Cited (Backward Citations)

US2732367A Cited
US2686771A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-22 1970-02-21 1970-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-22 1974-02-21 1974-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-22 1978-02-21 1978-08-23 $7700.00 Window Closed / Lapsed

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