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US4368591A
Expired / Lapsed
US
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Seed having high opacity coatings
Assignee: GUSTAFSON A ORGANIZED UNDER LAWS OF DELAWARE LLC LLC
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Filing: 1980-11-12
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Granted: 1983-01-18
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Expires: 2000-11-12
Abstract
Abstract Seeds are coated with an active ingredient and between 0.035 and 1.80 g. of titanium dioxide per kg. of seed in either the rutile or anatase form. The titanium dioxide serves, in conjunction with a coloring agent, to provide a bright, opaque coating to the seed.
Inventors
- 👤 Martin B. Barke
- 👤 Rebecca A. Luebke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
A; A01; A01C; A01C1/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
64 words
Seed having an exposed coating comprising between about 0.035 and about 1.80 gm. of titanium dioxide per kilogram of seed and an effective amount of an active ingredient, said titanium dioxide having an average particle diameter between about 10 microns and about 80 microns thereby providing the coating with high opacity and brightness whereby the visible characteristics of the coated seeds are substantially enhanced.
Claim 2
Dependent Claim
64 words
Seed having an exposed coating comprising between about 0.035 and about 1.80 gm. of titanium dioxide per kilogram of seed and an effective amount of an active ingredient, said titanium dioxide having an average particle diameter between about 10 microns and about 80 microns thereby providing the coating with high opacity and brightness whereby the visible characteristics of the coated seeds are substantially enhanced.
Claim 3
Dependent Claim
24 words
Seed according to claim 1 wherein said active ingredient is selected from the class consisting of fungicides, insecticides, rodenticides, nematocides, bird repellants and miticides.
Claim 4
Dependent Claim
28 words
Seed according to claim 1 wherein said titanium dioxide is in the rutile form in amounts of between about 0.035 and about 1.40 gm per kilogram of seed.
Claim 5
Dependent Claim
29 words
Seed according to claim 1 wherein said titanium dioxide is in the anatase form in amounts of from between about 0.0445 and about 1.80 gm per kilogram of seed.
Claim 6
Dependent Claim
16 words
Seed according to claim 1 wherein said coating also includes a dispersing agent for titanium dioxide.
Claim 7
Dependent Claim
13 words
Seed according to claim 5 wherein said coating also includes a thickening agent.
Claim 8
Dependent Claim
29 words
Seed according to claim 1 wherein said coating includes a coloring agent in amounts of between about 0.035 percent and about 0.18 percent by weight of said titanium dioxide.
Claim 9
Dependent Claim
35 words
Seed according to claim 1 wherein said coating also includes oil selected from the group consisting of a vegetable oil and a mineral oil in amounts up to about 1.00 gm per kilogram of seed.
Claim 10
Dependent Claim
34 words
Seed according to claim 1 wherein said coating also includes an adhering agent in amounts of from about 0.017 to about 1.00 gm per kilogram of seed to adhere said pigment to said seed.
Claim 11
Dependent Claim
22 words
Seed according to claim 9 wherein said adhering agent is selected from the class consisting of water reducible binders and latex polymers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-17 | 1986-07-19 | 1987-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-17 | 1990-07-19 | 1991-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-17 | 1994-07-19 | 1995-01-18 | $7700.00 | Window Closed / Lapsed |