Patent US3055433A successfully refreshed from Google Patents.
US3055433A
Expired / Lapsed
US
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Epoxy-resin enteric coated tablet and composition
Assignee: BASF Schweiz AG
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Filing: 1958-08-19
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Granted: 1962-09-25
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Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Hiltpold Robert
- 👤 Speiser Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:30
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2886; A61K9/2004; A61K9/2022; A61K9/2031; A61K9/2806; A61K9/2833; A61K9/2853; C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5006; C08G59/62; C08G59/64; C08G73/00; C08G73/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PHARMACEUTICAL PREPARATION IN DOSAGE UNIT FORM ADAPTED FOR ORAL ADMINISTRATION WHICH IS INSENSITIVE TO WATER AND MOISTURE AND WHICH DISINTEGRATES IN GASTRIC JUICE COMPRISING AN ACTIVE MEDICAMENT AND COMPRISING AN ADDITION PRODUCT OF A 1.2-EPOXY-COMPOUND, WHICH CONTAINS SUBSTANTIALLY 2-EPOXIDE GROUP PER MOL, WITH A SATURATED ALIPHATIC PRIMARY MONAMINE WHICH CONTAINS AT LEAST TWO HYDROXYL GROUPS, AND IN WHICH ADDITION PRODUCT 1.1-1.5 MOLS OF THE AMINE ARE COMBINED PER MOL OF THE 1.2-EPOXY COMPOUND.
Claim 2
Dependent Claim
74 words
A PHARMACEUTICAL PREPARATION IN DOSAGE UNIT FORM ADAPTED FOR ORAL ADMINISTRATION WHICH IS INSENSITIVE TO WATER AND MOISTURE AND WHICH DISINTEGRATES IN GASTRIC JUICE COMPRISING AN ACTIVE MEDICAMENT AND COMPRISING AN ADDITION PRODUCT OF A 1.2-EPOXY-COMPOUND, WHICH CONTAINS SUBSTANTIALLY 2-EPOXIDE GROUP PER MOL, WITH A SATURATED ALIPHATIC PRIMARY MONAMINE WHICH CONTAINS AT LEAST TWO HYDROXYL GROUPS, AND IN WHICH ADDITION PRODUCT 1.1-1.5 MOLS OF THE AMINE ARE COMBINED PER MOL OF THE 1.2-EPOXY COMPOUND.
References Cited (Backward Citations)
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US2820741A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |