Patent US5210521A successfully refreshed from Google Patents.
US4031243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(4-Isobutyl phenyl)butyric acid, salts thereof, and pharmaceutical compositions containing the same
Assignee: Juste Quimico Farmaceutica SA
•
Filing: 1975-07-03
•
Granted: 1977-06-21
•
Expires: 1995-07-03
Abstract
Abstract 2-(4-Isobutylphenyl)butyric acid and pharmaceutically acceptable salts thereof, processes for their production, and pharmaceutical compositions containing the same are disclosed. The compounds have antiinflammatory, analgesic and antipyretic properties.
Inventors
- 👤 Luis Aparicio
- 👤 Nenesio Gayo
- 👤 Jose Ma Carretero
- 👤 Jose Luis Martin
- 👤 Armando Ron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:26
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/027; C07C; C07C255/00; C07C51/00; C07C51/08; C07C57/00; C07C57/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
8 words
2-(4-Isobutylphenyl)butyric acid or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim
8 words
2-(4-Isobutylphenyl)butyric acid or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim
12 words
A salt as defined in claim 1 which is an alkali-metal 2(4-isobutylphenyl)butyrate.
Claim 4
Dependent Claim
11 words
A salt as defined in claim 1 which is sodium 2-(4-isobutylphenyl)butyrate.
Claim 5
Dependent Claim
11 words
A salt as defined in claim 1 which is morpholine 2-(4-isobutylphenyl)butyrate.
Claim 6
Dependent Claim
45 words
A pharmaceutical composition having antiinflammatory, analgesic and antipyretic properties comprising 2-(4-isobutylphenyl)butyric acid or a pharmaceutically acceptable salt thereof as defined in claim 1 together with a carrier therefor, the acid or salt being present in an amount from 200 to 400 mg per unit dose.
Claim 7
Dependent Claim
22 words
The pharmaceutical composition of claim 5 which is in tablet or capsule form and wherein the carrier is talcum and magnesium stearate.
Claim 8
Dependent Claim
27 words
The pharmaceutical composition of claim 5 which is in the form of a syrup and wherein the carrier is in the form of an aqueous sugar solution.
Claim 9
Dependent Claim
26 words
The pharmaceutical composition of claim 5 which is in the form of a suppository and includes mono-, di-, and triglycerides of vegetable fatty acids as carrier.
Claim 10
Dependent Claim
30 words
A pharmaceutical composition as defined in claim 5 consisting of a gelatin capsule containing approximately 200 milligrams of sodium 2-(4-isobutylphenyl)butyrate, 35 milligrams of talcum, and 5 milligrams of magnesium stearate.
References Cited (Backward Citations)
US3625984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-20 | 1980-12-20 | 1981-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-20 | 1984-12-20 | 1985-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-20 | 1988-12-20 | 1989-06-21 | $7700.00 | Window Closed / Lapsed |