US3328173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free-flowing cold water soluble acid compositions
Assignee: Monsanto Co
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Filing: 1964-03-17
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Granted: 1967-06-27
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Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 John H Van Ness
- 👤 Darwin O Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:48
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/02; C07C57/13; C07C57/15; A; A23; A23L; A23L2/00; A23L2/52; A23L2/68; A23P; A23P10/00; A23P10/30; A23P10/40; A23P10/43; B; B01; B01J; B01J2/00; B01J2/30; C07C51/00; C07C51/42; C07C51/50; C07C55/00; C07C55/02; C07C55/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A DRY, SUBSTANTIALLY NON-HYGROSCOPIC FREE-FLOWING ACID COMPOSITION READILY SOLUBLE IN COLD WATER AFTER EXTENDED STORAGE AT AMBIENT CONDITIONS COMPRISING A DRY, SUBSTANTIALLY UNIFORMLY SIZED POWDERED ACID SELECTED FROM THE GROUP CONSISTING OF ADIPIC ACID AND FUMARIC ACID COATED WITH A COMPATIBLE SURFACTANT ADMIXED WITH A SUBSTANTIALLY UNIFORMLY SIZED FLOW CONDITIONER SELECTED FROM THE GROUP CONSISTING OF CALCIUM CARBONATE AND MAGNESIUM CARBONATE, SAID ACID AND SAID FLOW CONDITIONERS HAVING AN AVERAGE PARTICLE SIZE OF LESS THAN ABOUT 15 MICRONS.
Claim 2
Dependent Claim
78 words
A DRY, SUBSTANTIALLY NON-HYGROSCOPIC FREE-FLOWING ACID COMPOSITION READILY SOLUBLE IN COLD WATER AFTER EXTENDED STORAGE AT AMBIENT CONDITIONS COMPRISING A DRY, SUBSTANTIALLY UNIFORMLY SIZED POWDERED ACID SELECTED FROM THE GROUP CONSISTING OF ADIPIC ACID AND FUMARIC ACID COATED WITH A COMPATIBLE SURFACTANT ADMIXED WITH A SUBSTANTIALLY UNIFORMLY SIZED FLOW CONDITIONER SELECTED FROM THE GROUP CONSISTING OF CALCIUM CARBONATE AND MAGNESIUM CARBONATE, SAID ACID AND SAID FLOW CONDITIONERS HAVING AN AVERAGE PARTICLE SIZE OF LESS THAN ABOUT 15 MICRONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |