US4297810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayable hydromulch
Assignee: Individual
•
Filing: 1980-03-03
•
Granted: 1981-11-03
•
Expires: 2000-03-03
Abstract
Abstract The present invention is directed to a sprayable hydromulch which is effective in reclaiming land, and which is particularly useful in planting seed to establish ground cover on reclaimed strip mining areas.
Inventors
- 👤 William B. Hansford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:07
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/52; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/28; Y10; Y10S; Y10S111/00; Y10S111/915
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
68 words
A pumpable hydromulch composition suitable for use in soil reclaimation, which comprises, on a dry weight basis: Hay 80-90% Paper Stock 10-17% Binder up to 1.5% Coloring Agent up to 1.5% wherein said hay fibers are no greater than about 6 inches in length, and wherein said paper stock is in the form of particles of an average size no greater than about 1 inch in both dimensions.
Claim 2
Dependent Claim
15 words
A composition as described in claim 1 wherein said paper stock is magazine paper stock.
Claim 3
Dependent Claim
29 words
A composition as described in claim 1, which comprises, on a dry weight basis: Hay about 85% Paper Stock about 12% Binding Agent about 1.5% Coloring Agent about 1.5%.
Claim 4
Dependent Claim
15 words
A composition as described in claim 3, wherein said paper stock is magazine paper stock.
Claim 5
Dependent Claim
83 words
A pumpable hydromulch composition suitable for use in soil reclaimation, which comprises, on a dry weight basis: Hay 80-90% Paper Stock 10-17% Binder up to 1.5% Coloring Agent up to 1.5% wherein said hay fibers average from 21/2 to 4 inches in length but which includes fibers which range between about 1/4 inch and about 6 inches in length, and wherein said paper stock is in the form of particles of an average size no greater than about 1 inch in both dimensions.
Claim 6
Dependent Claim
15 words
A composition as described in claim 5, wherein said paper stock is magazine paper stock.
Claim 7
Dependent Claim
13 words
A composition as described in claim 5, wherein said binder is Karaya gum.
Claim 8
Dependent Claim
17 words
A composition as described in claim 7, wherein said Kayara gum comprises about 1.5% of said composition.
Claim 9
Dependent Claim
14 words
A composition as described in claim 5, wherein said coloring agent is Calcozine Green.
Claim 10
Dependent Claim
17 words
A composition as described in claim 9, wherein said Calcozine Green comprises about 1.5% of said composition.
Claim 11
Dependent Claim
29 words
A composition as described in claim 5, which comprises, on a dry weight basis: Hay about 85% Paper Stock about 12% Binding Agent about 1.5% Coloring Agent about 1.5%.
Claim 12
Dependent Claim
15 words
A composition as described in claim 11, wherein said paper stock is magazine paper stock.
Claim 13
Dependent Claim
111 words
A sprayable hydromulch composition used in treating soils to reduce erosion thereof and to aid in the germination of plant seed comprising, on a dry material basis: Hay 85% by weight Paper Magazine Stock 12% by weight Karaya Gum Binding Agent 1.5% by weight Calcozine Green Coloring Agent 1.5% by weight said hay having been reduced in size to pieces between 0.5 inches and 6 inches, having average size of between about 21/2 and 4 inches, said paper magazine stock having been reduced in size to pieces no more than about 1 inch in both dimensions, and from about 1.5 to 5 gallons of water per pound of said dry materials.
Claim 14
Dependent Claim
111 words
A sprayable hydromulch composition used in treating soils to reduce erosion thereof and to aid in the germination of plant seed comprising, on a dry material basis: Hay 85% by weight Paper Magazine Stock 12% by weight Karaya Gum Binding Agent 1.5% by weight Calcozine Green Coloring Agent 1.5% by weight said hay having been reduced in size to pieces between 0.5 inches and 6 inches, having average size of between about 21/2 and 4 inches, said paper magazine stock having been reduced in size to pieces no more than about 1 inch in both dimensions, and from about 1.5 to 5 gallons of water per pound of said dry materials.
Claim 15
Dependent Claim
12 words
A composition as described in claim 13, wherein supplemental seed is added.
Claim 16
Dependent Claim
14 words
A composition as described in claim 13, wherein supplemental seed and fertilizer is added.
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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) | 1984-11-02 | 1985-05-04 | 1985-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-02 | 1989-05-04 | 1989-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-02 | 1993-05-04 | 1993-11-03 | $7700.00 | Window Closed / Lapsed |