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US3458527A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain epoxy-containing 2-oxazolidinones

Assignee: Avantor Performance Materials LLC
•
Filing: 1965-12-20
•
Granted: 1969-07-29
•
Expires: 1985-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Charles H Schramm
  • 👤 Claude J Schmidle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:22
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/04; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3802; C08G18/3804; C08G18/3806; C08G18/40; C08G18/48; C08G18/50; C08G18/5003; C08G18/5006; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08G59/18; C08G59/20; C08G59/22; C08G59/26; C08G59/28; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4028; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/35; Y; Y10; Y10S; Y10S525/00; Y10S525/909

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 1 words
3-ALLYL-5-IPOXYETHYL-2-OXAZOLIDINONE.
Claim 2
Dependent Claim 1 words
3-ALLYL-5-IPOXYETHYL-2-OXAZOLIDINONE.
Claim 3
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 5
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 6
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US3023225A Cited
US2966496A Cited
US2860166A Cited
US2786043A Cited
US3014895A Cited
US3102893A Cited
US3118913A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-28 1973-01-27 1973-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-28 1977-01-27 1977-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-28 1981-01-27 1981-07-29 $7700.00 Window Closed / Lapsed

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