US4180566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silica gel method of reducing blood lipid concentration
Assignee: WR Grace and Co
•
Filing: 1978-05-15
•
Granted: 1979-12-25
•
Expires: 1998-05-15
Abstract
Abstract A method of reducing the lipid concentration in the blood of a patient comprises administering to the patient a lipid-lowering effective amount of silica gel.
Inventors
- 👤 Milton E. Winyall
- 👤 Kamal M. Abdo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:12
CPC Classifications
A; A61; A61K; A61K33/00; A61P; A61P3/00; A61P3/06
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
43 words
A method of reducing the lipid concentration in the blood of a patient in need of same which comprises orally administering to the patient silica gel in a lipid reducing effective amount of at least about 0.2 grams per kilogram of body weight.
Claim 2
Independent Claim
43 words
A method of reducing the lipid concentration in the blood of a patient in need of same which comprises orally administering to the patient silica gel in a lipid reducing effective amount of at least about 0.2 grams per kilogram of body weight.
Claim 3
Dependent Claim
28 words
The method of claim 1 in which the silica gel is administered in an amount of from about 0.6 to about 1.4 grams per kilogram of body weight.
Claim 4
Dependent Claim
23 words
The method of claim 1 in which the silica gel is administered in a total daily amount of at least about 8 grams.
Claim 5
Dependent Claim
25 words
The method of claim 1 in which the silica gel is administered in a total daily amount of from about 8 to about 40 grams.
Claim 6
Dependent Claim
14 words
The method of claim 1 in which the silica gel is a silica hydrogel.
Claim 7
Dependent Claim
18 words
The method of claim 5 in which the silica hydrogel contains at least about 50 weight percent water.
Claim 8
Dependent Claim
20 words
The method of claim 5 in which the silica hydrogel contains from about 55 to about 75 weight percent water.
Claim 9
Independent Claim
50 words
A method of reducing the cholesterol concentration in the blood of a human patient in need of same which comprises orally administering to the patient a silica hydrogel containing at least about 50 weight percent water in a total daily lipid reducing effective amount of at least about 8 grams.
Claim 10
Independent Claim
50 words
A method of reducing the cholesterol concentration in the blood of a human patient in need of same which comprises orally administering to the patient a silica hydrogel containing at least about 50 weight percent water in a total daily lipid reducing effective amount of at least about 8 grams.
Claim 11
Dependent Claim
36 words
The method of claim 8 in which the silica hydrogel contains from about 50 to about 75 weight percent water and is administered in a total daily amount of from about 8 to about 40 grams.
Claim 12
Dependent Claim
23 words
The method of claim 5 in which the silica hydrogel is prepared by washing silica hydrogel particles with an aqueous ammonium hydroxide solution.
Claim 13
Dependent Claim
23 words
The method of claim 8 in which the silica hydrogel is prepared by washing silica hydrogel particles with an aqueous ammonium hydroxide solution.
References Cited (Backward Citations)
US4041153A
Cited
US4064234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-24 | 1983-06-25 | 1983-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-24 | 1987-06-25 | 1987-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-24 | 1991-06-25 | 1991-12-25 | $7700.00 | Window Closed / Lapsed |