US3927194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tablet formulation
Assignee: IVES LAB Inc
•
Filing: 1974-12-04
•
Granted: 1975-12-16
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Expires: 1994-12-04
Abstract
Abstract The disclosure is directed to formulations for tablets which are to be deeply grooved to facilitate breaking into predetermined portions by the user. A critical tablet weight for deeply grooved tablets is disclosed.
Inventors
- 👤 Ehud Geller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/10; A61K; A61K9/00; A61K9/20; A61K9/2072
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
49 words
A CHEWABLE PHARMACEUTICAL TABLET WHICH IS ADEQUATELY IMPRINTED WITH INDICIA OR EMBOSSING AND SCORED TO FORM A GROOVE WHICH IS 1/3 TO 2/3 THE DEPTH OF THE TOTAL TABLET THICKNESS TO FACILITATE SEPARATION INTO SUBDIVISIONS CONTAINING SUBSTANTIALLY EQUAL AMOUNTS OF PHARMACEUTICALLY ACTIVE INGREDIENT COMPRISING A DIRECTLY COMPRESSED FORMULATION OF:
Claim 2
Dependent Claim
49 words
A CHEWABLE PHARMACEUTICAL TABLET WHICH IS ADEQUATELY IMPRINTED WITH INDICIA OR EMBOSSING AND SCORED TO FORM A GROOVE WHICH IS 1/3 TO 2/3 THE DEPTH OF THE TOTAL TABLET THICKNESS TO FACILITATE SEPARATION INTO SUBDIVISIONS CONTAINING SUBSTANTIALLY EQUAL AMOUNTS OF PHARMACEUTICALLY ACTIVE INGREDIENT COMPRISING A DIRECTLY COMPRESSED FORMULATION OF:
Claim 3
Dependent Claim
17 words
A tablet as defined in claim 1 in which the ingredients are present in the following amounts:
Claim 4
Dependent Claim
18 words
A tablet as defined in claims 1 in which the total tablet weight is 150 to 175 milligrams.
Claim 5
Dependent Claim
17 words
A tablet as defined in claims 1 in which the total tablet weight is about 175 milligrams.
Claim 6
Dependent Claim
18 words
A tablet as defined in claim 1 in which the active ingredient is 10 milligrams of isosorbide dinitrate.
Claim 7
Dependent Claim
51 words
A chewable pharmaceutical tablet which is deeply adequately imprinted with indicia or embossing and scored to form a groove which is 166 to 2/3 the depth of the total tablet thickness to facilitate separation into subdivisions containing substantially equal amount of a pharmaceutically active ingredient comprising a directly compressed formulation of:
Claim 8
Dependent Claim
51 words
A chewable pharmaceutical tablet which is deeply adequately imprinted with indicia or embossing and scored to form a groove which is 166 to 2/3 the depth of the total tablet thickness to facilitate separation into subdivisions containing substantially equal amount of a pharmaceutically active ingredient comprising a directly compressed formulation of:
Claim 9
Dependent Claim
18 words
A tablet as defined in claim 6 in which the total tablet weight is 150 to 175 milligrams.
Claim 10
Dependent Claim
16 words
A tablet as defined in claim 6 in which the total tablet weight is 175 milligrams.
Claim 11
Dependent Claim
18 words
A tablet as defined in claim 6 in which the active ingredient is 10 milligrams of isosorbide dinitrate.
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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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |