Patent US2811483A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2811483A Expired / Lapsed US ⏱️ 0.0 years remaining

Pharmaceutical composition and process for preparing the same

Assignee: Pfizer Inc
•
Filing: 1954-12-09
•
Granted: 1957-10-29
•
Expires: 1974-12-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 23:28
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)

US312041A Cited
GB495854A Cited
US2146867A Cited
US2262087A Cited
GB669782A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag