Patent US4468763A successfully refreshed from Google Patents.
US3608073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion of pilocarpine for ophthalmic use
Assignee: Barnes Hind Pharmaceuticals Inc
•
Filing: 1968-07-16
•
Granted: 1971-09-21
•
Expires: 1988-07-16
Abstract
Abstract An easy to apply, stable and effective form of pilocarpine is provided by an oil-in-water emulsion of pilocarpine.
Inventors
- 👤 Russell E Phares Jr
- 👤 Hans H Kaspar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:31
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0048
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
The composition of claim 1 wherein the oil is mineral oil.
Claim 2
Dependent Claim
10 words
The composition of claim 1 wherein pilocarpine nitrate is employed.
Claim 3
Dependent Claim
20 words
The composition of claim 1 wherein the pH of the aqueous phase of the emulsion is from 4.5 to 7.
Claim 4
Dependent Claim
11 words
The composition of claim 4 wherein the pH is about 6.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |