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US3894860A Expired / Lapsed US ⏱️ 0.0 years remaining

Inhibiting crown growth on pineapple fruit

Assignee: Rhone Poulenc Nederland BV
•
Filing: 1973-11-20
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Granted: 1975-07-15
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Expires: 1993-11-20
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Abstract

Abstract Alpha-(3-chlorophenoxy)-propionic acid, its salts, esters, or amides applied to developing pineapple fruit inhibits the growth of the crown and increases the size and weight of the fruit without injuring the fruit.

Inventors

  • 👤 Anson Richard Cooke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 22:16
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 100 words
A METHOD FOR CONTROLLING THE DEVELOPMENT OF THE CROWN ON A GROWING PINEAPPLE FRUIT AND INCREASING THE SIZE AND WEIGHT OF THE PINEAPPLE FRUIT WHICH COMPRISES APPLYING TO THE PLANT, AFTER FLOWERING AND AT LEAST 2 MONTHS PRIOR TO HARVESTING, AN EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA: (3-(CL-)PHENYL)-O-CH(-CH3)-CO-A WHEREIN A IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF OH, NH2, NHR1,NR1R2, OR3 AND OX WHEREIN R1, R2, AND R3 ARE EACH INDEPENDENTLY ALKYL RADCALS OF FROM 1 TO 4 ARBON ATOMS AND X IS SELECTED FROM THE GROUP CONSISTING OF AN AMMONIUM AND AN ALKALI METAL ION.
Claim 2
Independent Claim 100 words
A METHOD FOR CONTROLLING THE DEVELOPMENT OF THE CROWN ON A GROWING PINEAPPLE FRUIT AND INCREASING THE SIZE AND WEIGHT OF THE PINEAPPLE FRUIT WHICH COMPRISES APPLYING TO THE PLANT, AFTER FLOWERING AND AT LEAST 2 MONTHS PRIOR TO HARVESTING, AN EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA: (3-(CL-)PHENYL)-O-CH(-CH3)-CO-A WHEREIN A IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF OH, NH2, NHR1,NR1R2, OR3 AND OX WHEREIN R1, R2, AND R3 ARE EACH INDEPENDENTLY ALKYL RADCALS OF FROM 1 TO 4 ARBON ATOMS AND X IS SELECTED FROM THE GROUP CONSISTING OF AN AMMONIUM AND AN ALKALI METAL ION.
Claim 3
Independent Claim 46 words
A method for controlling the development of the crown on a growing pineapple fruit and increasing the size and weight of the pineapple fruit, which comprises applying to the plant, after flowering and at least 2 months prior to harvesting, an effective amount of alpha-(3-chlorophenoxy)-propionic acid.
Claim 4
Independent Claim 46 words
A method for controlling the development of the crown on a growing pineapple fruit and increasing the size and weight of the pineapple fruit, which comprises applying to the plant, after flowering and at least 2 months prior to harvesting, an effective amount of alpha-(3-chlorophenoxy)-propionic acid.
Claim 5
Independent Claim 45 words
A method for controlling the development of the crown on a growing pineapple fruit and increasing the sIze and weight of the pineapple fruit which comprises applying to the plant, after flowering and at least 2 months prior to harvesting, an effective amount of alpha-(3-chlorophenoxy)-propionamide.
Claim 6
Independent Claim 45 words
A method for controlling the development of the crown on a growing pineapple fruit and increasing the sIze and weight of the pineapple fruit which comprises applying to the plant, after flowering and at least 2 months prior to harvesting, an effective amount of alpha-(3-chlorophenoxy)-propionamide.
Claim 7
Dependent Claim 19 words
The method of claim 2, wherein the effective amount is from about 0.1 to about 5 pounds per acre.
Claim 8
Dependent Claim 19 words
The method of claim 3, wherein the effective amount is from about 0.1 to about 5 pounds per acre.

References Cited (Backward Citations)

US2341868A Cited
US2441163A Cited
US2363325A Cited
US2957760A Cited
US3346397A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-07-14 1979-01-13 1979-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-07-14 1983-01-13 1983-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-07-14 1987-01-13 1987-07-15 $7700.00 Window Closed / Lapsed

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