← Back to Patent Explorer
US3290270A Expired / Lapsed US ⏱️ 0.0 years remaining

Salicylic acid derivatives and polymers thereof

Assignee: Ingredion Inc
•
Filing: 1963-05-23
•
Granted: 1966-12-06
•
Expires: 1983-05-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Albert I Goldberg
  • 👤 Fertig Joseph
  • 👤 Skoultchi Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:14
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 18 words
A COMPOSITION COMPRISING A POLYMER OF AT LEAST ONE ETHYLENICALLY UNSATURATED SALICYLIC ACID DERIVATIVE CORRESPONDING TO THE FORMULA:

References Cited (Backward Citations)

US2401261A Cited
US2765224A Cited
US3133042A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-05 1970-06-06 1970-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-05 1974-06-06 1974-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-05 1978-06-06 1978-12-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag