US4507276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analgesic capsule
Assignee: Bristol Myers Co
•
Filing: 1982-08-20
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Granted: 1985-03-26
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Expires: 2002-08-20
Abstract
Abstract An analgesic capsule containing asprin and APAP. The aspirin is in the form of an enteric coated granule, and the APAP is present in powder form.
Inventors
- 👤 Thomas M. Tencza
- 👤 Mahesh K. Patell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:07
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K31/00; A61K31/60; A61K31/618; A61K31/621; A61K9/50; A61K9/5084; A61P; A61P25/00; A61P25/04; A61P29/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
83 words
As an article of manufacture, a therapeutically effective dose of aspirin and APAP in capsule form; said dose comprising a therapeutically effective amount of enteric coated aspirin granules and APAP in powdered form; said dose being designed to provide APAP available for immediate absorption into the bloodstream from the stomach and aspirin and aspirin for delayed absorption into the bloodstream from the intestines whereby the danger of gastric intolerance due to the presence of aspirin in the stomach is significantly diminished or eliminated.
Claim 2
Dependent Claim
83 words
As an article of manufacture, a therapeutically effective dose of aspirin and APAP in capsule form; said dose comprising a therapeutically effective amount of enteric coated aspirin granules and APAP in powdered form; said dose being designed to provide APAP available for immediate absorption into the bloodstream from the stomach and aspirin and aspirin for delayed absorption into the bloodstream from the intestines whereby the danger of gastric intolerance due to the presence of aspirin in the stomach is significantly diminished or eliminated.
Claim 3
Dependent Claim
45 words
An article of manufacture according to claim 1 in which the aspirin is present in said dose in the range of from 80 mgs. to about 650 mgs. and said APAP is present in the range of from about 80 mgs to about 650 mgs.
Claim 4
Dependent Claim
42 words
An article of manufacture according to claim 1 in which the aspirin is present in said dose in the range of from 250 mgs. to 325 mgs. and said APAP is present in the range of from 250 mgs. to 325 mgs.
Claim 5
Dependent Claim
20 words
An article of manufacture according to claim 2 or 3 in which said dose takes the form of two capsules.
Claim 6
Dependent Claim
36 words
An article of manufacture according to claim 2 or 3 in which said dose takes the form of two capsules, each capsule containing one-half of the aspirin and one-half of the APAP contained in said dose.
Claim 7
Dependent Claim
41 words
An article of manufacture according to claim 1 in which said enteric coating material is a copolymer, anionic in character, based on polymethacrylic acid and polymethacrylic acid esters with a ratio of free carboxyl groups to ester groups of about 1:1.
Claim 8
Dependent Claim
35 words
As an article of manufacture, a hard gelatin capsule containing from about 250 mgs. to about 325 mgs. of enteric coated aspirin granules and from about 250 mgs. to about 325 mgs. of powdered APAP.
Claim 9
Dependent Claim
35 words
As an article of manufacture, a hard gelatin capsule containing from about 250 mgs. to about 325 mgs. of enteric coated aspirin granules and from about 250 mgs. to about 325 mgs. of powdered APAP.
Claim 10
Dependent Claim
32 words
An article of manufacture according to claim 7 in which said hard gelatin capsule contains from about 250 mgs. of enteric coated aspirin granules and from about 250 mgs. of powdered APAP.
Claim 11
Dependent Claim
23 words
An article of manufacture according to claim 8 containing about 325 mgs. of enteric coated aspirin granules and 325 mgs. of powdered APAP.
Claim 12
Dependent Claim
37 words
A process for inducing analgesia in a subject which comprises administering to said subject the effective dose of aspirin and APAP in the form defined in claims 1, 2, 3, 4, 5, 6, 7, 8, or 9.
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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) | 1988-03-25 | 1988-09-24 | 1989-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-25 | 1992-09-24 | 1993-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-25 | 1996-09-24 | 1997-03-26 | $7700.00 | Window Closed / Lapsed |