US3330665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold water soluble acid compositions
Assignee: Monsanto Co
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Filing: 1964-03-17
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Granted: 1967-07-11
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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
2026-11-07 20:01
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A STABLE, FREE-FLOWING ACID COMPOSITION READILY SOLUBLE IN COLD WATER, WHICH COMPRISES A POWDERED ACIDULANT SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID AND ADIPIC ACID AND A SYNERGISTIC MIXTURE OF A STABLE, WATERSOLUBLE ALKALI METAL POLYPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF DISODIUM ACID PYROPHOSPHATE, TETRASODIUM PYROPHOSPHATE, SODIUM TRIPOLYPHOSPHATE AND SODIUM TETRAPHOSPHATE AND AT LEAST ONE SURFACE-ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, CATIONIC AND NON-IONIC SURFACE-ACTIVE AGENTS.
Claim 2
Dependent Claim
71 words
A STABLE, FREE-FLOWING ACID COMPOSITION READILY SOLUBLE IN COLD WATER, WHICH COMPRISES A POWDERED ACIDULANT SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID AND ADIPIC ACID AND A SYNERGISTIC MIXTURE OF A STABLE, WATERSOLUBLE ALKALI METAL POLYPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF DISODIUM ACID PYROPHOSPHATE, TETRASODIUM PYROPHOSPHATE, SODIUM TRIPOLYPHOSPHATE AND SODIUM TETRAPHOSPHATE AND AT LEAST ONE SURFACE-ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, CATIONIC AND NON-IONIC SURFACE-ACTIVE AGENTS.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |