US4522820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trans-dihydrolisuride antipsychotic
Assignee: Bayer Pharma AG
•
Filing: 1982-07-23
•
Granted: 1985-06-11
•
Expires: 2002-07-23
Abstract
Abstract The treatment of psychosis with N-(D-6-methyl-8-isoergolin)-N'N-diethylurea.
Inventors
- 👤 Rainer Dorow
- 👤 Reinhard Horowski
- 👤 Wolfgang Kehr
- 👤 Helmut Wachtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/48; A61P; A61P25/00; A61P25/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
28 words
A method of treating psychosis in a patient suffering from psychosis comprising administering an antipsychotically effective amount of N-(D-6-methyl-8-isoergolinyl)-N'N-diethylurea or a physiologically acceptable salt thereof to the patient.
Claim 2
Independent Claim
28 words
A method of treating psychosis in a patient suffering from psychosis comprising administering an antipsychotically effective amount of N-(D-6-methyl-8-isoergolinyl)-N'N-diethylurea or a physiologically acceptable salt thereof to the patient.
Claim 3
Dependent Claim
10 words
A method of claim 1 wherein the administration is oral.
Claim 4
Dependent Claim
13 words
A method of claim 1 wherein the administration is subcutaneously, intramuscularly or intravenously.
Claim 5
Dependent Claim
16 words
A method of claim 1 or 2 wherein the daily dosage is 0.1 to 5.0 mg.
Claim 6
Dependent Claim
14 words
A method of claim 4 wherein the daily dosage is 0.2 to 1.5 mg.
Claim 7
Dependent Claim
11 words
A method of claim 1 wherein the administration is long term.
Claim 8
Dependent Claim
20 words
A method of claim 1 wherein the patient is not suffering from an indication treatable by nidation or lactation inhibition.
Claim 9
Dependent Claim
14 words
A method of claim 1 or 2 wherein the patient is suffering from schizophrenia.
Claim 10
Dependent Claim
18 words
A method of claim 1 or 2 wherein the antipsychotic agent is the dihydrogen phosphate salt of N-(D-6-methyl-8-isoergolinyl)-N'N-diethylurea.
References Cited (Backward Citations)
DE2238540A1
Cited
US3954988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-10 | 1988-12-10 | 1989-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-10 | 1992-12-10 | 1993-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-10 | 1996-12-10 | 1997-06-11 | $7700.00 | Window Closed / Lapsed |