US3029783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal litter composition
Assignee: Minerals and Chemicals Philipp Corp
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Filing: 1958-04-14
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Granted: 1962-04-17
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Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar W Sawyer
- 👤 Wright W Gary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:19
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/04; C04B33/06; A; A01; A01K; A01K1/00; A01K1/015; A01K1/0152; A01K1/0154; C04B33/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN ANIMAL LITTER COMPOSITION COMPRISING IN GRANULAR FORM IN A MIXTURE OF KAOLIN CLAY WHICH HAS BEEN REACTED WITH A 60% TO 125% DOSAGE OF A CONCENTRATED MINERAL ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID AN HYDROCHLORIC ACID, AND, WITHOUT WASHING WATER-SOLUBLE CONTITUENTS THERFROM, HAS BEEN HEATED TO REMOVE SUBSTANTIALLY ALL FREE ACID THEREFROM WITHOUT AFFECTING ALUMINUM SALT REACTION PRODUCTS, AND AT LEAST ONE SORPTIVE MINERAL IN AMOUNT SUCH THAT THE ALUMINUM SALT CONCENTRATION OF THE MIXTURE IS FROM ABOUT 0.1% TO 15.0%, SAID SORPTIVE MINERAL BEING SELECTED FROM THE GROUP CONSISTING OF WATER-SORPTIVE NONCOLLOIDAL CLAY, DIATOMACEOUS EARTH AND BAUXITE.
Claim 2
Dependent Claim
102 words
AN ANIMAL LITTER COMPOSITION COMPRISING IN GRANULAR FORM IN A MIXTURE OF KAOLIN CLAY WHICH HAS BEEN REACTED WITH A 60% TO 125% DOSAGE OF A CONCENTRATED MINERAL ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID AN HYDROCHLORIC ACID, AND, WITHOUT WASHING WATER-SOLUBLE CONTITUENTS THERFROM, HAS BEEN HEATED TO REMOVE SUBSTANTIALLY ALL FREE ACID THEREFROM WITHOUT AFFECTING ALUMINUM SALT REACTION PRODUCTS, AND AT LEAST ONE SORPTIVE MINERAL IN AMOUNT SUCH THAT THE ALUMINUM SALT CONCENTRATION OF THE MIXTURE IS FROM ABOUT 0.1% TO 15.0%, SAID SORPTIVE MINERAL BEING SELECTED FROM THE GROUP CONSISTING OF WATER-SORPTIVE NONCOLLOIDAL CLAY, DIATOMACEOUS EARTH AND BAUXITE.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |