Patent US1303561A successfully refreshed from Google Patents.
US2811483A
Expired / Lapsed
US
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Pharmaceutical composition and process for preparing the same
Assignee: Pfizer Inc
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Filing: 1954-12-09
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Granted: 1957-10-29
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Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Aterno
- 👤 Robert G Heyner
- 👤 Jr Arthur F Leyden
- 👤 Pindzola Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5073; A61K9/5078
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
158 words
A PHARMACEUTICAL PREPARATION COMRPISING A PLURALITY OF DISCRETE BEADLETS, EACH OF WHICH IS COMPOSED OF A HARD SPHERICAL CORE OF EDIBLE SUGAR-CONTAINING MATERIAL HAVING A DIAMETER OF FROM ABOUT 400 TO 2000 MICRONS, COATED SUCCESSIVELY WITH AT LEAST ONE SUBSTANCE HAVING AN AVERAGE PARTICLE SIZE OF FROM ABOUT 5 TO 200 MICRONS AND SELECTED FROM THE GROUP CONSISTING OF VITAMINS, NUTRITIONALLY DESIRABLE MINERALS AND MIXTURES THEREOF, SAID COATINGS HAVING A TOTAL THICKNESS OF FROM ABOUT 250 TO 1000 MICRONS; AN EDIBLE, SUBSTANTIALLY AIR- AND MOISTURE-IMPERVIOUS LAYER HAVING A THICKNESS OF FROM ABOUT 150 TO 750 MICRONS AND COMPOSED OF PROTECTIVE PLASTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF GUMS, NATURAL AND SYNTHETIC RESINS AND DRYING OILS; AND A CONFECTIONERY LAYER HAVING A THICKNESS OF FROM ABOUT 250 TO 1250 MICRONS; THE SAID VITAMINS AND MINERALS BEING SO PROPORTIONED ON SAID BEADLETS AS TO PROVIDE SUBSTANTIALLY THE HUMAN DAILY REQUIREMENTS OF SAID SUBSTANCES PER UNIT VOLUME OF SAID BEADLETS.
Claim 2
Dependent Claim
158 words
A PHARMACEUTICAL PREPARATION COMRPISING A PLURALITY OF DISCRETE BEADLETS, EACH OF WHICH IS COMPOSED OF A HARD SPHERICAL CORE OF EDIBLE SUGAR-CONTAINING MATERIAL HAVING A DIAMETER OF FROM ABOUT 400 TO 2000 MICRONS, COATED SUCCESSIVELY WITH AT LEAST ONE SUBSTANCE HAVING AN AVERAGE PARTICLE SIZE OF FROM ABOUT 5 TO 200 MICRONS AND SELECTED FROM THE GROUP CONSISTING OF VITAMINS, NUTRITIONALLY DESIRABLE MINERALS AND MIXTURES THEREOF, SAID COATINGS HAVING A TOTAL THICKNESS OF FROM ABOUT 250 TO 1000 MICRONS; AN EDIBLE, SUBSTANTIALLY AIR- AND MOISTURE-IMPERVIOUS LAYER HAVING A THICKNESS OF FROM ABOUT 150 TO 750 MICRONS AND COMPOSED OF PROTECTIVE PLASTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF GUMS, NATURAL AND SYNTHETIC RESINS AND DRYING OILS; AND A CONFECTIONERY LAYER HAVING A THICKNESS OF FROM ABOUT 250 TO 1250 MICRONS; THE SAID VITAMINS AND MINERALS BEING SO PROPORTIONED ON SAID BEADLETS AS TO PROVIDE SUBSTANTIALLY THE HUMAN DAILY REQUIREMENTS OF SAID SUBSTANCES PER UNIT VOLUME OF SAID BEADLETS.
Claim 3
Dependent Claim
195 words
A PROCESS FOR PREPARING A PHARMACEUTICAL COMPOSITION COMPRISING THE STEPS OF COATING A PLURALITY OF HARD SPHERICAL BEADLETS, HAVING A DIAMETER, OF FROM ABOUT 400 TO 2000 MICRONS AND COMPOSED OF EDIBLE SUGAR-CONTAINING MATERIAL WHICH IS RELATIVELY INSOLUBLE WHEN EXPOSED TO SUGAR SYRUP, WITH SEPARATE BLENDS OF SELECTED VITAMINS AND NUTRITIONALLY DESIRABLE MINERALS HAVING AN AVERAGE PARTICLE SIZE OF FROM ABOUT 5 TO 200 MICRONS, THE INCOMPATIBLE VITAMINS AND MINERALS BEING SEPARATED FROM ONE ANOTHER AND APPLIED TO DIFFERENT BATCHES OF SAID SPHERICAL BEADLETS, SAID COATING HAVING A TOTAL THICKNESS ON THE BEAD LET OF FROM ABOUT 250 TO 1000 MICRONS, THEREAFTER APPLYING AN EDIBLE PROTECTIVE COATING HAVING A THICKNESS OF FROM ABOUT 150 TO 750 MICRONS AND COMPOSED OF PLASTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF GUMS, NATURAL AND SYNTHETIC RESINS AND DRYING OILS, TO RENDER SAID BEADLETS SUBSTANTIALLY IMPERVIOUS TO MOISTURE, FOLLOWING SAID PLASTIC MATERIAL WITH A CONFECTIONERY COATING HAVING A THICKNESS OF FROM ABOUT 250 TO 1250 MICRONS, DRYING THIS COATING AND BLENDING THE SEPARATE BATCHES OF COATED BEADLETS TO FORM A MIXTURE OF DISCRETE FREE-FLOWING BEADLETS PROVIDING SUBSTANTIALLY THE HUMAN DAILY REQUIREMENT OF VITAMINS AND MINERALS PER UNIT VOLUME THEREOF.
Claim 4
Dependent Claim
195 words
A PROCESS FOR PREPARING A PHARMACEUTICAL COMPOSITION COMPRISING THE STEPS OF COATING A PLURALITY OF HARD SPHERICAL BEADLETS, HAVING A DIAMETER, OF FROM ABOUT 400 TO 2000 MICRONS AND COMPOSED OF EDIBLE SUGAR-CONTAINING MATERIAL WHICH IS RELATIVELY INSOLUBLE WHEN EXPOSED TO SUGAR SYRUP, WITH SEPARATE BLENDS OF SELECTED VITAMINS AND NUTRITIONALLY DESIRABLE MINERALS HAVING AN AVERAGE PARTICLE SIZE OF FROM ABOUT 5 TO 200 MICRONS, THE INCOMPATIBLE VITAMINS AND MINERALS BEING SEPARATED FROM ONE ANOTHER AND APPLIED TO DIFFERENT BATCHES OF SAID SPHERICAL BEADLETS, SAID COATING HAVING A TOTAL THICKNESS ON THE BEAD LET OF FROM ABOUT 250 TO 1000 MICRONS, THEREAFTER APPLYING AN EDIBLE PROTECTIVE COATING HAVING A THICKNESS OF FROM ABOUT 150 TO 750 MICRONS AND COMPOSED OF PLASTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF GUMS, NATURAL AND SYNTHETIC RESINS AND DRYING OILS, TO RENDER SAID BEADLETS SUBSTANTIALLY IMPERVIOUS TO MOISTURE, FOLLOWING SAID PLASTIC MATERIAL WITH A CONFECTIONERY COATING HAVING A THICKNESS OF FROM ABOUT 250 TO 1250 MICRONS, DRYING THIS COATING AND BLENDING THE SEPARATE BATCHES OF COATED BEADLETS TO FORM A MIXTURE OF DISCRETE FREE-FLOWING BEADLETS PROVIDING SUBSTANTIALLY THE HUMAN DAILY REQUIREMENT OF VITAMINS AND MINERALS PER UNIT VOLUME THEREOF.
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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |