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US3288777A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallized monoazodyestuffs containing a dihalopyrimidyl group

Assignee: Sandoz AG
•
Filing: 1963-03-04
•
Granted: 1966-11-29
•
Expires: 1983-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 Benz Jakob
  • 👤 Schweizer August

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 08:46
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B62/24; C09B62/255; C09B62/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 9 words
A METAL-COMPLEX DYESTUFF SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim 9 words
A METAL-COMPLEX DYESTUFF SELECTED FROM THE GROUP CONSISTING OF

References Cited (Backward Citations)

US1886480A Cited
US2820785A Cited
US2929809A Cited
US2935506A Cited
US3208990A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-28 1970-05-30 1970-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-28 1974-05-30 1974-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-28 1978-05-30 1978-11-29 $7700.00 Window Closed / Lapsed

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