US3030273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic tablet coating
Assignee: Abbott Laboratories
•
Filing: 1959-09-02
•
Granted: 1962-04-17
•
Expires: 1979-09-02
Abstract
No abstract record available.
Inventors
- 👤 Roland C Zagnoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2806; A61K9/282; A61K9/2826; A61K9/2833; A61K9/2873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A LIQUID COATING COMPOSITION FOR APPLYING A THIN, COLOR STABLE PLASTIC FILM TO SOLID MEDICAMENTS WHICH COMPRISES A VOLATILE ORGANIC SOLVENT CONTAINING THEREIN A WATER DISPERSIBLE, NON-TOXIC, FILM FORMING PLASTIC, A PHYSIOLOGICALLY ACCEPTABLE COLORING AGENT, AND A COMPEXING AGENT SELECTED FROM THE CLASS CONSISTING OF ALBUMIN, TANNIN, AND THE COMBINATION OF TANNIN AND ALBIMIN, WITH THE FURTHER PROVISION THAT THE COMPLEXING AGENT IS AT LEAST IN PART TANNIN WHEN THE COLORING AGENT CONTAINS BASIC NITROGEN, THE COMPLEXING AGENT IS AT LEAST IN PART ALBUMIN WHEN THE COLORING AGENT CONTAINS SULFONIC ACID GROUPS, AND THE COMPLEXING AGENT IS A COMBINATION OF TANNIN AND ALBUMIN WHEN THE COLORING AGENT CONTAINS BASIC NITROGEN AND SULFONIC ACID GROUPS.
Claim 2
Dependent Claim
114 words
A LIQUID COATING COMPOSITION FOR APPLYING A THIN, COLOR STABLE PLASTIC FILM TO SOLID MEDICAMENTS WHICH COMPRISES A VOLATILE ORGANIC SOLVENT CONTAINING THEREIN A WATER DISPERSIBLE, NON-TOXIC, FILM FORMING PLASTIC, A PHYSIOLOGICALLY ACCEPTABLE COLORING AGENT, AND A COMPEXING AGENT SELECTED FROM THE CLASS CONSISTING OF ALBUMIN, TANNIN, AND THE COMBINATION OF TANNIN AND ALBIMIN, WITH THE FURTHER PROVISION THAT THE COMPLEXING AGENT IS AT LEAST IN PART TANNIN WHEN THE COLORING AGENT CONTAINS BASIC NITROGEN, THE COMPLEXING AGENT IS AT LEAST IN PART ALBUMIN WHEN THE COLORING AGENT CONTAINS SULFONIC ACID GROUPS, AND THE COMPLEXING AGENT IS A COMBINATION OF TANNIN AND ALBUMIN WHEN THE COLORING AGENT CONTAINS BASIC NITROGEN AND SULFONIC ACID GROUPS.
References Cited (Backward Citations)
US2881085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |