US3356569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Choline chloride powder and method of production
Assignee: Rohm and Haas Co
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Filing: 1964-05-27
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Granted: 1967-12-05
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Nicodemus David Otis
- 👤 John P Mulroney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:42
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/141; A61K9/146; A23; A23K; A23K40/00; A23K40/10; A61K9/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A STABLE, SUBSTANTIALLY DRY, FREE-FLOWING POWDER COMPRISING CHOLINE CHLORIDE SUBSTANTIALLY ENCAPSULATED BY A POWDERED ADDITIVE SELECTED FROM THE GROUP CONSISTING OF ATTAPULGITE CLAY, A MIXTURE OF ATTAPULGITE CLAY AND A SECOND ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA GEL AND SODIUM BICARBONATE WHEREIN SAID SECOND ADDITIVE IS NO MORE THAN 10% OF THE WEIGHT OF THE MIXTURE, KAOLINITE CLAY, A MIXTURE OF KAOLINITE CLAY AND A SECOND ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA GEL AND SODIUM BICARBONATE WHEREIN SAID SECOND ADDITIVE IS NO MORE THAN 10% OF THE WEIGHT OF THE MIXTURE, WALNUT SHELL FLOUR, AND A MIXTURE OF WALNUT SHELL FLOUR AND A SECOND ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA GEL AND SODIUM BICARBONATE WHEREIN SAID SECOND ADDITIVE IS NO MORE THAN 10% OF THE WEIGHT OF THE MIXTURE, SAID POWDER CONTAINING 68% TO 85% CHOLINE CHLORIDE ON AN ANHYDROUS WEIGHT BASIS.
Claim 2
Dependent Claim
148 words
A STABLE, SUBSTANTIALLY DRY, FREE-FLOWING POWDER COMPRISING CHOLINE CHLORIDE SUBSTANTIALLY ENCAPSULATED BY A POWDERED ADDITIVE SELECTED FROM THE GROUP CONSISTING OF ATTAPULGITE CLAY, A MIXTURE OF ATTAPULGITE CLAY AND A SECOND ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA GEL AND SODIUM BICARBONATE WHEREIN SAID SECOND ADDITIVE IS NO MORE THAN 10% OF THE WEIGHT OF THE MIXTURE, KAOLINITE CLAY, A MIXTURE OF KAOLINITE CLAY AND A SECOND ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA GEL AND SODIUM BICARBONATE WHEREIN SAID SECOND ADDITIVE IS NO MORE THAN 10% OF THE WEIGHT OF THE MIXTURE, WALNUT SHELL FLOUR, AND A MIXTURE OF WALNUT SHELL FLOUR AND A SECOND ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA GEL AND SODIUM BICARBONATE WHEREIN SAID SECOND ADDITIVE IS NO MORE THAN 10% OF THE WEIGHT OF THE MIXTURE, SAID POWDER CONTAINING 68% TO 85% CHOLINE CHLORIDE ON AN ANHYDROUS WEIGHT BASIS.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |