US4035511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for promoting analgesia
Assignee: Massachusetts Institute of Technology
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Filing: 1976-05-06
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Granted: 1977-07-12
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Expires: 1996-05-06
Abstract
Abstract Analgesia is produced or hyperalgesia is reduced in an animal including human beings by administering 3-(p-trifluoromethylphenoxy)-N-methyl-3-phenylpropylamine either along or with morphine sulfate. A novel composition is provided comprising 3-(p-trifluoromethylphenoxy)-N-methyl-3-phenylpropylamine and 25 to 50 weight percent morphine sulfate based upon the weight of the phenylpropylamine.
Inventors
- 👤 Rita B. Messing
- 👤 Loy D. Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:02
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485; A61K31/13; A61K31/135
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
30 words
The process for producing analgesia or reducing hyperalgesia in an animal which comprises administering 3-(p-trifluoromethylphenoxy)-N-methyl-3-phenylpropylamine to an animal requiring such in an amount effective to produce analgesia or reduce hyperalgesia.
Claim 2
Dependent Claim
30 words
The process for producing analgesia or reducing hyperalgesia in an animal which comprises administering 3-(p-trifluoromethylphenoxy)-N-methyl-3-phenylpropylamine to an animal requiring such in an amount effective to produce analgesia or reduce hyperalgesia.
Claim 3
Dependent Claim
11 words
The process of claim 1 wherein the animal is a human.
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) | 1980-07-11 | 1981-01-10 | 1981-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-11 | 1985-01-10 | 1985-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-11 | 1989-01-10 | 1989-07-12 | $7700.00 | Window Closed / Lapsed |