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US3880996A Expired / Lapsed US ⏱️ 0.0 years remaining

Topical analgesic preparation and method of using

Assignee: Individual
•
Filing: 1974-03-11
•
Granted: 1975-04-29
•
Expires: 1994-03-11
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Abstract

Abstract An analgesic composition for the symptomatic relief of localized pain of musculo-skeletal etiology is adapted for topical application over affected areas and includes an analgesic, e.g., a salicylate, a local counter-irritant, and an organopolysiloxane.

Inventors

  • 👤 Arthur I Fisher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:58
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/60; A61K47/00; A61K47/30; A61K47/34

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 45 words
AN ANALGESIC PREPARATION SUITABLE FOR USE IN THE MITIGATION OF PAIN OF MUSCULO-SKELETAL ETIOLOGY COMPRISING: A. AN ANALGESIC IN AN AMOUNT SUFFICIENT TO ALLEVIATE MUSCULOSKELETAL PAIN, B. A RUBEFACIENT IN AN AMOUNT SUFFICIENT TO PROVIDE LOCALIZED HEAT SENSATION, AND C. A POLYSILOXANE HAVING THE FORMULA:
Claim 2
Dependent Claim 45 words
AN ANALGESIC PREPARATION SUITABLE FOR USE IN THE MITIGATION OF PAIN OF MUSCULO-SKELETAL ETIOLOGY COMPRISING: A. AN ANALGESIC IN AN AMOUNT SUFFICIENT TO ALLEVIATE MUSCULOSKELETAL PAIN, B. A RUBEFACIENT IN AN AMOUNT SUFFICIENT TO PROVIDE LOCALIZED HEAT SENSATION, AND C. A POLYSILOXANE HAVING THE FORMULA:
Claim 3
Dependent Claim 14 words
An analgesic preparation in accordance with claim 1 wherein the analgesic is a salicylate.
Claim 4
Dependent Claim 29 words
An analgesic preparation in accordance with claim 1 wherein the analgesic is selected from the group consisting of methyl salicylate, glycol monosalicylate, trithamalamine salicylate, salicylamide and dipropylene glycol salicylate.
Claim 5
Dependent Claim 25 words
An analgesic preparation in accordance with claim 1 further including a vasodilator selected from the group consisting of methacholine chloride, histamine dihydrochloride, and methyl nicotinate.
Claim 6
Dependent Claim 76 words
An analgesic preparation suitable for use in the mitigation of pain of musculo-skeletal etiology comprising: a. an analgesic in an amount sufficient to alleviate musculo-skeletal pain, b. a rubefacient in an amount sufficient to provide localized heat sensation, and c. a C1-C6 dialkylpolysiloxane in a range from about 10 to 40 percent by weight of the total preparation and of a viscosity from about 50 to 200 centistokes, whereby percutaneous absorption of the analgesic is enhanced.
Claim 7
Dependent Claim 76 words
An analgesic preparation suitable for use in the mitigation of pain of musculo-skeletal etiology comprising: a. an analgesic in an amount sufficient to alleviate musculo-skeletal pain, b. a rubefacient in an amount sufficient to provide localized heat sensation, and c. a C1-C6 dialkylpolysiloxane in a range from about 10 to 40 percent by weight of the total preparation and of a viscosity from about 50 to 200 centistokes, whereby percutaneous absorption of the analgesic is enhanced.
Claim 8
Dependent Claim 13 words
An analgesic preparation in accordance with claim 5 wherein the dialkylpolysiloxane is dimethylpolysiloxane.
Claim 9
Dependent Claim 28 words
A method of administering treatment for the alleviation of pain of musculo-skeletal etiology, said method comprising topically applying an analgesically effective amount of the preparation of claim 1.
Claim 10
Dependent Claim 28 words
A method of administering treatment for the alleviation of pain of musculo-skeletal etiology, said method comprising topically applying an analgesically effective amount of the preparation of claim 5.

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) 1978-04-28 1978-10-28 1979-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-28 1982-10-28 1983-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-28 1986-10-28 1987-04-29 $7700.00 Window Closed / Lapsed

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