US3980050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poultry litter and preparation thereof
Assignee: Kimberly Clark Corp
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Filing: 1974-12-09
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Granted: 1976-09-14
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Expires: 1994-12-09
Abstract
Abstract A litter for poultry which is absorbent but capable of giving up absorbed liquids to the atmosphere under conditions of usual use in poultry houses so that the litter tends to be maintained dry to the touch and uncompacted. The litter is itself a body of moisture containing crumbs formed of low density bark and cellulosic fibrous material adhered to and carried by the bark. The poultry litter following use has a utility as cattle feed.
Inventors
- 👤 Howard A. Neubauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:13
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/015; A01K1/0152; A01K1/0155
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
108 words
A process for the conversion of waste product to a poultry litter which comprises the steps of mixing the fiber containing effluent of a paper mill with pine bark particles, and slurrying the bark particles and fibers together while agitating the slurry to cause the fibers to come into intimate contact with the bark particles, dewatering the composite of fibers and bark under conditions which cause the fibers to adhere to the bark particles and dewatering to the extent that the composite is in the form of a mass of crumbs and has a bone dry solids content of about 65 to about 85 per cent by weight.
Claim 2
Dependent Claim
108 words
A process for the conversion of waste product to a poultry litter which comprises the steps of mixing the fiber containing effluent of a paper mill with pine bark particles, and slurrying the bark particles and fibers together while agitating the slurry to cause the fibers to come into intimate contact with the bark particles, dewatering the composite of fibers and bark under conditions which cause the fibers to adhere to the bark particles and dewatering to the extent that the composite is in the form of a mass of crumbs and has a bone dry solids content of about 65 to about 85 per cent by weight.
Claim 3
Dependent Claim
21 words
A process as claimed in claim 1 in which the slurry of fibers and bark particles has a substantially neutral pH.
Claim 4
Dependent Claim
26 words
A process as claimed in claim 1 in which the fibers and bark particles are present in the slurry to substantially the same extent by weight.
Claim 5
Dependent Claim
43 words
A process as claimed in claim 1 in which the drying of the composite includes heating the bark with fibers thereon to a temperature at least about 400°F. for a sufficient length of time to sterilize the crumbs against bacteria which cause molding.
Claim 6
Dependent Claim
35 words
A process as claimed in claim 1 in which the composite in the form of the mass of crumbs is carried out to a bone dry solids content of about 75 per cent by weight.
Claim 7
Dependent Claim
95 words
A litter for poultry houses comprising a body of absorbent crumbs having pine bark particles and cellulosic wood pulp fibrous particles adhered to the bark particles, the crumbs having a solids content on a bone dry basis in the range of about 65 percent to about 85 percent and the ratio by weight on a bone dry basis of the cellulosic fibrous particles to the pine bark particles being between about 60:40 to about 40:60, said crumbs having a limited capacity to retain liquid such that the litter does not tend to compact in use.
Claim 8
Dependent Claim
95 words
A litter for poultry houses comprising a body of absorbent crumbs having pine bark particles and cellulosic wood pulp fibrous particles adhered to the bark particles, the crumbs having a solids content on a bone dry basis in the range of about 65 percent to about 85 percent and the ratio by weight on a bone dry basis of the cellulosic fibrous particles to the pine bark particles being between about 60:40 to about 40:60, said crumbs having a limited capacity to retain liquid such that the litter does not tend to compact in use.
Claim 9
Dependent Claim
34 words
A litter for poultry houses as claimed in claim 6 and in which the ratio by weight of cellulosic fibrous particles to the pine bark particles on a bone dry basis is about 1:1.
Claim 10
Dependent Claim
21 words
A litter for poultry houses as claimed in claim 6 and in which the cellulosic fibrous particles include cellulosic fiber fines.
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) | 1979-09-14 | 1980-03-15 | 1980-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-14 | 1984-03-15 | 1984-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-14 | 1988-03-15 | 1988-09-14 | $7700.00 | Window Closed / Lapsed |