US3071513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for sealing capsules
Assignee: Pharmacia and Upjohn Co
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Filing: 1959-11-23
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Granted: 1963-01-01
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Boer Herman R De
- 👤 Thurlow E King
- 👤 Edwin L Knoechel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:16
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; A61J3/071; A61J3/072; A61K; A61K9/00; A61K9/48; A61K9/4883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR SEALING A FILLED HARD GELATIN CAPSULE WHICH COMPRISES CONTACTING SAID FILLED AND FULLY ASSEMBLED CAPSULE WITH A SEALING FLUID COMPRISING A DISPERSION OF AN AIR-DRYING, HYDROPHILIC, FILM-FORMING POLYMER IN AN ORGANIC SOLVENT SELECTED FROM THE CLASS CONSISTING OF LOWERALKANOLS, LOWER-ALKANONES, AND LOWER-ALIPHATIC CHLORINATED HYDROCARBONS, SAID CAPSULE BEING CONTACTED WITH SAID SEALING FLUID FOR TIME SUFFICIENT TO WET THROUGHLY WITH SEALING FLUID THE JOINT BETWEEN THE CAP AND THE BASE OF SAID CAPSULE BUT INSUFFICIENT TO DEPOSIT A SIGNIFICANT AMOUNT OF COATING ON THE EXPOSED SURFACES OF SAID CAPSULE.
Claim 2
Dependent Claim
91 words
A PROCESS FOR SEALING A FILLED HARD GELATIN CAPSULE WHICH COMPRISES CONTACTING SAID FILLED AND FULLY ASSEMBLED CAPSULE WITH A SEALING FLUID COMPRISING A DISPERSION OF AN AIR-DRYING, HYDROPHILIC, FILM-FORMING POLYMER IN AN ORGANIC SOLVENT SELECTED FROM THE CLASS CONSISTING OF LOWERALKANOLS, LOWER-ALKANONES, AND LOWER-ALIPHATIC CHLORINATED HYDROCARBONS, SAID CAPSULE BEING CONTACTED WITH SAID SEALING FLUID FOR TIME SUFFICIENT TO WET THROUGHLY WITH SEALING FLUID THE JOINT BETWEEN THE CAP AND THE BASE OF SAID CAPSULE BUT INSUFFICIENT TO DEPOSIT A SIGNIFICANT AMOUNT OF COATING ON THE EXPOSED SURFACES OF SAID CAPSULE.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |