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US3798321A Expired / Lapsed US ⏱️ 0.0 years remaining

Preservative and nitrate reducing agent for raw agricultural crops

Assignee: Individual
•
Filing: 1970-06-01
•
Granted: 1974-03-19
•
Expires: 1990-06-01
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Abstract

Abstract A PRESERVATIVE AND NITRATE REDUCING AGENT FOR NEW AGRICULTURAL CROPS CONSISTING OF AN INORGANIC ACID, NAMELY, PHOSPHORIC ACID AND AN ORGANIC ACID CONSISTING OF PROPIONIC ACID. THE METHOD OF REDUCING THE NITRATE VALUE OF CROPS BY TREATING SAID CROPS WITH THE FOREGOING COMPOSITION IS DISCLOSED.

Inventors

  • 👤 R Nelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:45
CPC Classifications
A; A23; A23B; A23B9/00; A23B9/16; A23B9/24; A23B9/30; A23B9/26; A23K; A23K30/00

Claims Analysis

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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) 1977-03-18 1977-09-17 1978-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-03-18 1981-09-17 1982-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-03-18 1985-09-17 1986-03-19 $7700.00 Window Closed / Lapsed

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