US2881085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin film coating for tablets and the like
Assignee: Abbott Laboratories
•
Filing: 1953-11-09
•
Granted: 1959-04-07
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Endicott
- 👤 Albert A Dallavis
- 👤 Henry M N Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:01
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2806; A61K9/282; A61J; A61J3/00; A61J3/005; A61K9/2833; A61K9/2853; A61K9/286; A61K9/2866; A61J2205/00; A61J2205/20; Y; Y10; Y10S; Y10S424/00; Y10S424/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A FLUID COMPOSITION ADAPTED FOR APPLICATION TO TABLETS AND THE LIKE AS A FILM COATING THEREON WHICH CONSISTS ESSENTIALLY OF ABOUT 14% TO 20% W./V. OF A WATER SOLUBLE WAX AND ABOUT 4% TO 7% W./V. OF A POLYCARBOXYLIC ACID PARTIAL ESTER OF A CELLULOSE ESTER OF A LOWER ALIPHATIC MONOCARBOXYLIC ACID, AND A NON-AQUEOUS SOLVENT FOR SAID WAX AND SAID ESTER.
Claim 2
Dependent Claim
62 words
A FLUID COMPOSITION ADAPTED FOR APPLICATION TO TABLETS AND THE LIKE AS A FILM COATING THEREON WHICH CONSISTS ESSENTIALLY OF ABOUT 14% TO 20% W./V. OF A WATER SOLUBLE WAX AND ABOUT 4% TO 7% W./V. OF A POLYCARBOXYLIC ACID PARTIAL ESTER OF A CELLULOSE ESTER OF A LOWER ALIPHATIC MONOCARBOXYLIC ACID, AND A NON-AQUEOUS SOLVENT FOR SAID WAX AND SAID ESTER.
References Cited (Backward Citations)
US587097A
Cited
GB377162A
Cited
US2059981A
Cited
US1997106A
Cited
US2100377A
Cited
US2105364A
Cited
GB493934A
Cited
US2191530A
Cited
US2342478A
Cited
US2389708A
Cited
US2409986A
Cited
US2446584A
Cited
US2602756A
Cited
US2753288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |