Patent US4851226A successfully refreshed from Google Patents.
US4851226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chewable medicament tablet containing means for taste masking
Assignee: Personal Products Co
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Filing: 1988-06-30
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Granted: 1989-07-25
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Expires: 2008-06-30
Abstract
Abstract Chewable medicament tablets are made from coated granules of medicament wherein the coating on said granules comprises a blend of cellulose acetate or cellulose acetate butyrate and polyvinyl pyrrolidone.
Inventors
- 👤 Thomas N. Julian
- 👤 Galen W. Radebaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:19
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5005; A61K9/5021; A61K9/5026; A61K9/0012; A61K9/0053; A61K9/0056; A61K9/5036; A61K9/5042
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
32 words
A chewable tablet of a medicament comprising compressed coating granules, said coated granules individually comprising medicament coated with a blend of (a) cellulose acetate or cellulose acetate butyrate and (b) polyvinyl pyrrolidone.
Claim 2
Dependent Claim
32 words
A chewable tablet of a medicament comprising compressed coating granules, said coated granules individually comprising medicament coated with a blend of (a) cellulose acetate or cellulose acetate butyrate and (b) polyvinyl pyrrolidone.
Claim 3
Dependent Claim
12 words
The chewable tablet of claim 1 wherein the medicament is acetyl p-aminophenol.
Claim 4
Dependent Claim
26 words
The chewable tablet of claim 1 wherein the blend contains from about 80 to about 97 weight percent of cellulose acetate, the remainder being polyvinyl pyrrolidone.
Claim 5
Dependent Claim
26 words
The chewable tablet of claim 2 wherein the blend contains from about 80 to about 97 weight percent of cellulose acetate, the remainder being polyvinyl pyrrolidone.
Claim 6
Dependent Claim
22 words
The chewable tablet of claim 1 wherein the coated granules contain from about 5 to about 20 weight percent of said blend.
Claim 7
Dependent Claim
22 words
The chewable tablet of claim 2 wherein the coated granules contain from about 5 to about 20 weight percent of said blend.
Claim 8
Dependent Claim
22 words
The chewable tablet of claim 3 wherein the coated granules contain from about 5 to about 20 weight percent of said blend.
Claim 9
Dependent Claim
22 words
The chewable tablet of claim 4 wherein the coated granules contain from about 5 to about 20 weight percent of said blend.
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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) | 1992-07-24 | 1993-01-23 | 1993-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-24 | 1997-01-23 | 1997-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-24 | 2001-01-23 | 2001-07-25 | $7700.00 | Window Closed / Lapsed |