IP Library › Granted Patent US 12,668,769
Granted Patent B2
US 12,668,769 · App. 18/440,328 · Granted Jun 30, 2026

Stable inoculant compositions and methods for producing same

Inventors: Dave Greenshields (Saskatchewan, CA); Kristi Woods (Blacksburg, VA); Shaun Raj Selness (Chesterfield, MO); Hui Han (Chesterfield, MO)
Assignee: Novozymes BIOAG A/S
C12N1/04A01N25/04A01N25/30A01N63/30A01N63/36C12N1/14C12N1/145A01N2300/00C12R2001/80
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Quick Facts
Patent No.
US 12,668,769
App. No.
18/440,328
Filed
Feb 13, 2024
Granted
Jun 30, 2026
Kind
B2
Art Unit
1657
USPC
424/93.5
Abstract

The present disclosure provides aqueous inoculant compositions and methods for enhancing the survival and/or stability of microbial spores in an inoculant composition. In some embodiments, aqueous inoculant compositions of the present disclosure comprise microbial spores, one or more dispersants, one or more protectants, one or more aqueous additives and a non-aqueous liquid carrier.

Claims (33)

1 . A method comprising introducing an aqueous inoculant composition into a plant growth medium, said aqueous inoculant composition comprising:

microbial spores comprising about 0.1 to about 15% by weight of said aqueous inoculant composition;

one or more protectants comprising about 0.5 to about 5% by weight of said aqueous inoculant composition, said one or more protectants comprising one or more sugars and/or one or more sugar alcohols;

one or more dispersants comprising about 0.1 to about 5% by weight of said aqueous inoculant composition; and

one or more polyethylene glycols comprising about 75 to about 95% by weight of said aqueous inoculant composition.

2 . The method of claim 1 , wherein said one or more protectants comprises about 1 to about 2% by weight of said aqueous inoculant composition.

3 . The method of claim 1 , wherein said one or more protectants comprises one or more disaccharides and one or more sugar alcohols.

4 . The method of claim 1 , wherein said one or more protectants comprises maltose, sucrose and/or trehalose.

5 . The method of claim 1 , wherein said one or more protectants comprises arabitol, mannitol, sorbitol and/or xylitol.

6 . The method of claim 1 , wherein said one or more dispersants comprises about 1 to about 4% by weight of said aqueous inoculant composition.

7 . The method of claim 1 , wherein said one or more dispersants comprises one or more non-ionic surfactants and/or one or more wetting agents.

8 . The method of claim 1 , wherein said one or more dispersants comprises one or more alcohol ethoxylates.

9 . The method of claim 1 , wherein said one or more dispersants comprises one or more naphthalene sulfonates.

10 . The method of claim 1 , wherein water comprises less than 5% by weight of said aqueous inoculant composition.

11 . The method of claim 1 , wherein water comprises at least 0.75% by weight of said aqueous inoculant composition.

12 . The method of claim 1 , wherein said one or more polyethylene glycols comprises about 80 to about 90% by weight of said aqueous inoculant composition.

13 . The method of claim 1 , wherein said one or more polyethylene glycols comprises PEG 200, PEG 300 and/or PEG 400.

14 . The method of claim 1 , wherein said aqueous inoculant composition further comprises one or more pesticides.

15 . The method of claim 1 , wherein said aqueous inoculant composition further comprises one or more lipo-chitooligosaccharides.

16 . The method of claim 1 , wherein said aqueous inoculant composition further comprises one or more chitin oligomers.

17 . The method of claim 1 , wherein said aqueous inoculant composition further comprises one or more flavonoids.

18 . The method of claim 1 , wherein said aqueous inoculant composition further comprises one or more nutrients.

19 . The method of claim 1 , wherein said aqueous inoculant composition is introduced into said plant growth medium as a coating on a plant seed.

20 . The method of claim 1 , wherein said aqueous inoculant composition is introduced into said plant growth medium as part of an in-furrow application.

21 . The method of claim 1 , wherein said microbial spores comprise Penicillium spores.

22 . The method of claim 1 , wherein said microbial spores comprise Bacillus spores.

23 . The method of claim 1 , wherein said microbial spores comprise Trichoderma spores.

24 . A method comprising applying an aqueous inoculant composition to a plant propagation material to produce a treated plant propagation material, said aqueous inoculant composition comprising:

microbial spores comprising about 0.1 to about 15% by weight of said aqueous inoculant composition;

one or more protectants comprising about 0.5 to about 5% by weight of said aqueous inoculant composition, said one or more protectants comprising one or more sugars and/or one or more sugar alcohols;

one or more dispersants comprising about 0.1 to about 5% by weight of said aqueous inoculant composition; and

one or more polyethylene glycols comprising about 75 to about 95% by weight of said aqueous inoculant composition.

25 . The method of claim 24 , further comprising introducing said treated plant propagation material into a plant growth medium.

Assignments (1)
CHANGE OF NAME AND ADDRESS Recorded Oct 7, 2024
From: NOVOZYMES BIOAG A/S
To: NOVONESIS PLANT BIOSOLUTIONS A/S
Reel/Frame 070166/0088 →
Continuity (5)
Continuation 17223154 · Apr 6, 2021
Division 16066377
Provisional Application 62296784 · Feb 18, 2016
Provisional Application 62271873 · Dec 28, 2015
Related Publication 20240254432A1 · Aug 1, 2024
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