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US3406162A Expired / Lapsed US ⏱️ 0.0 years remaining

Dye salts of anionic metal complex dyes of the benzeneazoacetoacetyl alkyl amide series and organic amine nitrogen bases

Assignee: Sandoz AG
•
Filing: 1966-01-12
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Granted: 1968-10-15
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Expires: 1986-01-12
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Abstract

No abstract record available.

Inventors

  • 👤 Neier Reinhard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 17:20
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/48; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041; C08K5/0091; C09B69/00; C09B69/02; C09B69/04; C09B69/045

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2104357A Cited
US2814614A Cited
AT194999B Cited
US2826573A Cited
US2841576A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-15 1972-04-15 1972-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-15 1976-04-15 1976-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-15 1980-04-15 1980-10-15 $7700.00 Window Closed / Lapsed

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