US2868664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry mannogalactan composition
Assignee: Stein Hall and Co Inc
•
Filing: 1954-05-03
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Granted: 1959-01-13
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Goldstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:18
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/31; D21H17/32; C; C08; C08L; C08L5/00; C08L5/14; C09; C09J; C09J105/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A DRY COMPOSITION WHICH IS READILY DISPERSIBLE IN WATER WITHOUT LUMPING CONSISTING ESSENTIALLY OF A MANNOGALACTAN GUM, AT LEAST ABOUT 0.5% BY WEIGHT OF THE GUM OF A SODIUM BORATE, AND AT LEAST ABOUT 0.5% BY WEIGHT OF THE GUM OF A WATER-SOLUBLE ACID SALT SELECTED FROM THE GROUP CONSISTING OF MONOSODIUM PHOSPHATE, ALUMINUM SULFATE, AND AMMONIUM CHLORIDE; SAID SALT BEING COATED WITH A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST ABOUT 2,000 AND THE COMBINED AMOUNT OF BORATE AND ACID SALT BEING NO GREATER THAN ABOUT EQUAL TO THE AMOUNT OF GUM IN THE COMPOSITION.
Claim 2
Dependent Claim
99 words
A DRY COMPOSITION WHICH IS READILY DISPERSIBLE IN WATER WITHOUT LUMPING CONSISTING ESSENTIALLY OF A MANNOGALACTAN GUM, AT LEAST ABOUT 0.5% BY WEIGHT OF THE GUM OF A SODIUM BORATE, AND AT LEAST ABOUT 0.5% BY WEIGHT OF THE GUM OF A WATER-SOLUBLE ACID SALT SELECTED FROM THE GROUP CONSISTING OF MONOSODIUM PHOSPHATE, ALUMINUM SULFATE, AND AMMONIUM CHLORIDE; SAID SALT BEING COATED WITH A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST ABOUT 2,000 AND THE COMBINED AMOUNT OF BORATE AND ACID SALT BEING NO GREATER THAN ABOUT EQUAL TO THE AMOUNT OF GUM IN THE COMPOSITION.
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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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |