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US4797402A
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Cooling anti-itch skin preparations
Assignee: Individual
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Filing: 1987-06-02
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Granted: 1989-01-10
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Expires: 2007-06-02
Abstract
Abstract Cooling, anti-itch skin preparations in a hydrophilic base, comprising an anti-inflammatory corticosteroid, peppermint oil and urea.
Inventors
- 👤 Kenneth E. Dorsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:16
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0014; A61K36/00; A61K36/18; A61K36/185; A61K36/53; A61K36/534; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K47/44
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
78 words
A hydrophilic ointment petrolatum base composition for the topical adminstration of an antiflammatory corticosteroid which provides a cooling effect and anti-itching characterisitcs consisting essentially of: an antiflammatory effective amount of a corticosteroid; peppermint oil in amounts of from about 0.01 to about 0.05% by weight; urea in amounts of from about 5.0 to about 10.0% by weight; and an oil soluble surfactant selected from hydroxylated lanolin, ethoxylated lanolin or polyoxyethylene esters, based on the weight of the composition.
Claim 2
Dependent Claim
78 words
A hydrophilic ointment petrolatum base composition for the topical adminstration of an antiflammatory corticosteroid which provides a cooling effect and anti-itching characterisitcs consisting essentially of: an antiflammatory effective amount of a corticosteroid; peppermint oil in amounts of from about 0.01 to about 0.05% by weight; urea in amounts of from about 5.0 to about 10.0% by weight; and an oil soluble surfactant selected from hydroxylated lanolin, ethoxylated lanolin or polyoxyethylene esters, based on the weight of the composition.
Claim 3
Dependent Claim
25 words
The composition of claim 1, wherein the corticosteroid is selected from the group consisting of hydrocortisone, hydrocortisone acetate, hydrocortisone butyrate, hydrocortisone valerate and mixtures thereof.
Claim 4
Dependent Claim
17 words
The composition of claim 1, wherein the corticosteroid is in suspension in a finely powdered micronized state.
Claim 5
Dependent Claim
13 words
The composition of claim 1, wherein the corticosteroid is solubilized in a solvent.
Claim 6
Dependent Claim
25 words
The composition of claim 3, wherein the corticosteroid is selected from the group consisting of hydrocortisone, hydrocortisone acetate, hydrocortisone butyrate, hydrocortisone valerate and mixtures thereof.
Claim 7
Dependent Claim
25 words
The composition of claim 4, wherein the corticosteroid is selected from the group consisting of hydrocortisone, hydrocortisone acetate, hydrocortisone butyrate, hydrocortisone valerate and mixtures thereof.
Claim 8
Dependent Claim
38 words
The composition of claim 4, wherein the solvent is selected from the group consisting of propylene glycol, polyethylene glycol 300, polyethylene glycol 400 or polyethylene glycol 1540 alone or in combination with 1, 2, 6-hexontriol or propylene carbonate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-10 | 1992-07-11 | 1993-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-10 | 1996-07-11 | 1997-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-10 | 2000-07-11 | 2001-01-10 | $7700.00 | Window Closed / Lapsed |