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US3661789A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilized oxygen bleach-activator system

Assignee: BOYLE-MIDWAY HOUSEHOLD PRODUCTS Inc A CORP OF DE
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Filing: 1969-11-24
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Granted: 1972-05-09
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Expires: 1989-11-24
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Abstract

Abstract OXYGEN RELEASING BLEACHES SUCH AS PERBORATES ARE COMBINED WITH ACTIVATORS AND NONIONIC SURFACTANTS OR GLYCOLS TO PROVIDE COMPOSITIONS UNUSUALLY STABLE UPON STORAGE UNDER ADVERSE CONDITIONS OF HIGH TEMPERATURE AND HUMIDITY TO WHICH THEY ARE NORMALLY SUBJECTED.

Inventors

  • 👤 Garland G Corey
  • 👤 Bernard Weinstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:26
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3937; C01; C01B; C01B15/00; C01B15/055; C01B15/12; C11D3/3905; C11D3/3907; C11D3/3932

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-09 1975-11-08 1976-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-09 1979-11-08 1980-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-09 1983-11-08 1984-05-09 $7700.00 Window Closed / Lapsed

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