Patent US3583099A successfully refreshed from Google Patents.
US3583099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tile for germinating seed and manufacture thereof
Assignee: BASF Catalysts LLC
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Filing: 1969-02-06
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Granted: 1971-06-08
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Expires: 1989-02-06
Abstract
Abstract In accordance with the disclosure a mixture of particles of attapulgite clay, binder material, disintegrating agent and soluble plant nutrient is compressed to form a rigid platelike article. Seeds are included in the platelike member or they are secured to the surface. The plate is laid on earth and, after it has been wetted with water, it rapidly swells and disintegrates, eventually becoming part of the earth when the seeds germinate.
Inventors
- 👤 Samuel S Fata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:08
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/04; A01C1/046; Y; Y10; Y10S; Y10S71/00; Y10S71/903
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
10 words
The article of claim 1 wherein said binder comprises sugar.
Claim 2
Dependent Claim
32 words
The article of claim 2 wherein said binder is sugar and said disintegrating agent is starch which is present in amount within the range of 2 percent to 15 percent by weight.
Claim 3
Dependent Claim
18 words
The article of claim 1 in which the mixture also contains finely divided particles of plant nutrient material.
Claim 4
Dependent Claim
61 words
The article of claim 1 in which the compressed mixture comprises from 80 percent to 95 percent by weight of a colloidal grade of attapulgite clay in the form of small granules, 2 percent to 15 percent by weight starch as the disintegrating agent, sugar in binder-effective proportion, and small amounts of each of calcium phosphate, calcium stearate and grass seed.
Claim 5
Dependent Claim
28 words
Dry rigid, coherent self-supporting tiles adapted to be placed on soil for planting seed thereon, said tiles being obtained by compressing a mixture of substantially the following composition:
References Cited (Backward Citations)
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Cited
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US2143468A
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US2579733A
Cited
GB641280A
Cited
US2579735A
Cited
US2785969A
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US2971292A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |