← Back to Patent Explorer
US3439007A Expired / Lapsed US ⏱️ 0.0 years remaining

N-(2,3-dihydroxypropyl)aliphatic amides and method for preparing the same

Assignee: Kraton Chemical LLC
•
Filing: 1965-01-14
•
Granted: 1969-04-15
•
Expires: 1985-01-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John Edward Milks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:52
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24471

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 10 words
A PROCESS FOR PREPARING A GLYCOL AMIDE OF THE STRUCTURE:
Claim 2
Dependent Claim 10 words
A PROCESS FOR PREPARING A GLYCOL AMIDE OF THE STRUCTURE:

References Cited (Backward Citations)

US1946079A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-14 1972-10-14 1973-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-14 1976-10-14 1977-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-14 1980-10-14 1981-04-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag