US2928128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of improving adhesivity of gelatin used in preparing capsules by continouslyagitating the gelatin until casting
Assignee: Catalent Pharma Solutions Inc
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Filing: 1956-03-26
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Granted: 1960-03-15
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Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Gustav H Carlson
- 👤 Scherer Robert Pauli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; Y; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD FOR PREPARING GELATIN CAPSULES FROM A FLUID MOLTEN GELATIN COMPOUND CHARACTERIZED BY LOSS OF ADHERSIVITY UPON AGING AT A TEMPERATURE ABOVE ITS MELTING POINT WHICH COMPRISES THROUGHLY AGITATING SAID GELATIN COMPOUND CONTINUOUSLY UNTIL CASTING A PAIR OF GELATIN RIBBONS FROM THE MIXTURE, THEN BRINGING THE RIBBONS TOGETHER TO FORM LEAKTIGHT CAPSULES BY ADHERSION OF SAID RIBBONS.
Claim 2
Independent Claim
58 words
A METHOD FOR PREPARING GELATIN CAPSULES FROM A FLUID MOLTEN GELATIN COMPOUND CHARACTERIZED BY LOSS OF ADHERSIVITY UPON AGING AT A TEMPERATURE ABOVE ITS MELTING POINT WHICH COMPRISES THROUGHLY AGITATING SAID GELATIN COMPOUND CONTINUOUSLY UNTIL CASTING A PAIR OF GELATIN RIBBONS FROM THE MIXTURE, THEN BRINGING THE RIBBONS TOGETHER TO FORM LEAKTIGHT CAPSULES BY ADHERSION OF SAID RIBBONS.
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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |