IP Library › Granted Patent US 12,637,394
Granted Patent B2
US 12,637,394 · App. 17/839,578 · Granted May 26, 2026

Paper mulch granule with fertilizer for improved seed establishment

Inventor: Allen R. Pyle (Green Bay, WI)
Assignee: SKYLINE ENCAP HOLDINGS, LLC.
C05F1/005A01G13/35C05G3/80C09K17/52
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Quick Facts
Patent No.
US 12,637,394
App. No.
17/839,578
Granted
May 26, 2026
Kind
B2
Abstract

A homogenous granular paper mulch including fertilizer (with the fertilizer composed of natural and/or conventional synthetic ingredients). The mulch is a granular solid composed of recycled paper, fertilizer, and water. The granular product is easy to handle and apply and provides an improved environment for germinating seed.

Claims (17)

1 . A method for preparing a granular mulch comprising:

comminuting paper;

mixing said comminuting paper with water to form a pulp;

blending in fertilizer with said pulp;

extruding said pulp through a die orifice to form an extrudate;

chopping said extrudate to a length of less than ¼ inch to form extruded granules;

treating said granules with a crumbling equipment to partially shred said granules to produce irregular and rough edges to prevent seed separation; and

drying said granules to a final moisture content of between 6% to 13% by weight.

2 . The method of claim 1 wherein said granular mulch comprises recycled paper granule with pelletized natural fertilizer, where said fertilizer added is a homogeneous pelletized or granulated product.

3 . The method of claim 2 wherein said fertilizer comprises dairy manure digestate and limestone blend, feather meal, gypsum, bentonite clay, zeolite, sulfate of potash, and guar gum.

4 . The method of claim 1 wherein resulting product has a bulk density of about 13.5 pounds per cubic foot.

5 . The method of claim 1 further comprising adding a green pigment or dye to said granule to make it stand out after application on bare soil, or blend into turf when applied to bare spots in lawns.

6 . The method of claim 1 wherein said granular mulch comprises a recycled paper granule enhanced with pelletized natural fertilizer comprised of dehydrated dairy manure, dehydrated poultry manure, and feather meal and sufficient binding material for ensuring pelletization.

7 . The method of claim 1 wherein said fertilizer granule is added to said paper and water slurry before extrusion.

8 . The method of claim 1 wherein irregular nature of said granular product ensures that when it is combined with seed in a bagged or containerized product, said seed does not segregate or separate from said mulch.

9 . The method of claim 8 wherein when said mulch granule is blended with fertilizer, said fertilizer does not migrate and separate in said bag.

10 . The method of claim 1 wherein homogeneous nature of said granule ensures fertilizer is retained where it is needed to fuel plant growth, and nutrients are held and released in close proximity to germinating seed.

Continuity (2)
Provisional Application 63210540 · Jun 15, 2021
Related Publication 20220396532A1 · Dec 15, 2022
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