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US3918952A Expired / Lapsed US ⏱️ 0.0 years remaining

High analysis clear lawn fertilizer solution

Assignee: I C Johnson & Son Inc
•
Filing: 1974-03-15
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Granted: 1975-11-11
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Expires: 1994-03-15
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Abstract

Abstract A high nitrogen containing clear liquid fertilizer including phosphorous and potassium in a ratio suitable for use as a lawn fertilizer wherein the solution has a pH within the range of from 7.5 to 8.7 and has a cloud point of less than 45*F and a clearing point of less than 65*F. The liquid lawn fertilizer composition is quite stable over an extended period of time even when subjected to repeated freeze-thaw conditions.

Inventors

  • 👤 Phillip J Neumiller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:37
CPC Classifications
C; C05; C05B; C05B13/00; C05B13/06; Y; Y10; Y10S; Y10S71/00; Y10S71/02

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 16 words
A SUBSTANTIALLY CLEAR LIQUID FERTILIZING COMPOSITION HAVING A HIGH PERCENTAGE OF AVAILABLE NITROGEN CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim 16 words
A SUBSTANTIALLY CLEAR LIQUID FERTILIZING COMPOSITION HAVING A HIGH PERCENTAGE OF AVAILABLE NITROGEN CONSISTING ESSENTIALLY OF:
Claim 3
Dependent Claim 21 words
The composition of claim 1 wherein said surfactant is selected from sodium lauryl sulfate, potassium lauryl sulfate and ammonium lauryl sulfate.
Claim 4
Dependent Claim 12 words
The composition of claim 2 wherein said surfactant includes lauroyl sarcosinic acid.
Claim 5
Dependent Claim 17 words
The composition of claim 2 wherein said surfactant includes a sodium sulfosuccinate ester of a modified ethanolamide.
Claim 6
Dependent Claim 17 words
The composition of claim 3 wherein said surfactant includes a sodium sulfosuccinate ester of a modified ethanolamide.
Claim 7
Dependent Claim 22 words
The composition of claim 2 wherein said sulfate and said additional anionic surfactant are present in a ratio of 0.75:1 to 2.1.
Claim 8
Dependent Claim 9 words
The composition of claim 1 wherein saiD composition comprises:
Claim 9
Dependent Claim 20 words
The composition of claim 1 wherein said composition further includes up to 5 percent of at least one micronutrient salt.
Claim 10
Dependent Claim 15 words
The composition of claim 1 which further includes up to 5 percent of a herbicide.

References Cited (Backward Citations)

US2770538A Cited
US3640698A Cited
US3711269A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-11-10 1979-05-12 1979-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-11-10 1983-05-12 1983-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-11-10 1987-05-12 1987-11-11 $7700.00 Window Closed / Lapsed

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