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US2624655A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable aqueous hydrogen peroxide and method of preparing same

Assignee: BUFFALO ELECTRO CHEM CO
•
Filing: 1949-10-13
•
Granted: 1953-01-06
•
Expires: 1969-10-13
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Abstract

No abstract record available.

Inventors

  • 👤 Frank P Greenspan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:06
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
A STABLE AQUEOUS HYDROGEN PEROXIDE SOLUTION CONTAINING A PYRIDINE CARBOXYLIC ACID IN STABILIZING AMOUNTS 5 TO 1000 PARTS PER MILLION.
Claim 2
Dependent Claim 20 words
A STABLE AQUEOUS HYDROGEN PEROXIDE SOLUTION CONTAINING A PYRIDINE CARBOXYLIC ACID IN STABILIZING AMOUNTS 5 TO 1000 PARTS PER MILLION.

References Cited (Backward Citations)

US1758920A Cited
US2012462A Cited
US2027838A Cited
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US2491732A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-01-06 1956-07-07 1957-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-01-06 1960-07-07 1961-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-01-06 1964-07-07 1965-01-06 $7700.00 Window Closed / Lapsed

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