← Back to Patent Explorer
US3336384A Expired / Lapsed US ⏱️ 0.0 years remaining

Reaction products of amic acids and primary aliphatic amines with alkylene polyamines and salicylaldehyde

Assignee: Mobil Oil AS
•
Filing: 1964-03-12
•
Granted: 1967-08-15
•
Expires: 1984-03-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paul Y C Gee
  • 👤 Jr Harry J Andress

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:18
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; F; F02; F02B; F02B3/00; F02B3/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 7 words
A CHEMICAL COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim 7 words
A CHEMICAL COMPOUND OF THE FOLLOWING FORMULA:

References Cited (Backward Citations)

US2653898A Cited
US3051562A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-08-14 1971-02-13 1971-08-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-08-14 1975-02-13 1975-08-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-08-14 1979-02-13 1979-08-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag