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US3753677A Expired / Lapsed US ⏱️ 0.0 years remaining

Tetracyanodithiadiene and its salts as bactericides and algicides

Assignee: Wyeth Holdings LLC
•
Filing: 1970-12-16
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Granted: 1973-08-21
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Expires: 1990-12-16
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Abstract

Abstract A method of controlling undesirable bacteria and algae growth is given which provides for contacting the infested area or area to be protected with an effective amount of tetracyanodithiadiene having the structural formula:

Inventors

  • 👤 G Lamb
  • 👤 Hinz C Frank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:35
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; C07; C07D; C07D339/00; C07D339/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 21 words
The method according to claim 1 wherein tetracyanodithiadiene is applied at a rate from about 5 ppm to about 50 ppm.
Claim 2
Dependent Claim 21 words
The method according to claim 2 wherein tetracyanodithiadiene is applied at a rate from about 5 ppm to about 10 ppm.

References Cited (Backward Citations)

US3400134A Cited
US3265565A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-08-20 1977-02-19 1977-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-08-20 1981-02-19 1981-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-08-20 1985-02-19 1985-08-21 $7700.00 Window Closed / Lapsed

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