← Back to Patent Explorer
US3340263A Expired / Lapsed US ⏱️ 0.0 years remaining

Amino-pyrroles

Assignee: BASF Corp
•
Filing: 1965-02-01
•
Granted: 1967-09-05
•
Expires: 1985-02-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Staehelin Alexander
  • 👤 Schenker Karl
  • 👤 Pietro Arnoldo Rossi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:55
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/456

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-04 1971-03-06 1971-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-04 1975-03-06 1975-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-04 1979-03-06 1979-09-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag