US3688985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic article of manufacture impregnated with volatile matter
Assignee: Individual
•
Filing: 1970-12-09
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Granted: 1972-09-05
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Expires: 1990-12-09
Abstract
Abstract This disclosure is directed to an article of manufacture comprising of preformed synthetic water insoluble resins which may be either soluble or insoluble in an organic solvent that is subsequently impregnated with a volatile substance by contact with an aqueous emulsion of an essential oil and a surfactant wherein the impregnated resin article with gradually yield the volatile substance in a chemically unchanged, dry state to the surrounding atmosphere over a considerable period of time. The impregnated volatile substance may be either a fragrance, a flavor, or a combination of both, a sanitizing agent, or a medicinal agent.
Inventors
- 👤 Walter H Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:40
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; A24D3/06; A24D3/08; A61; A61K; A61K8/00; A61K8/02; A61K9/00; A61K9/0012; A61K9/007; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2027; A61K9/70; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/042; A61L9/12; A61Q; A61Q13/00; A61Q15/00; A61F; A61F13/00; A61F13/02; A61F13/0276; A61F2013/0296; A61K2800/00; A61K2800/40; A61K2800/56; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10S428/00; Y10S428/905
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
16 words
The invention as defined in claim 1 wherein said essential oil is a fragrance producing substance.
Claim 2
Dependent Claim
16 words
The invention as defined in claim 1 wherein said essential oil is a flavor producing substance.
Claim 3
Dependent Claim
14 words
The invention as defined in claim 1 wherein said essential oil is a medicant.
Claim 4
Dependent Claim
15 words
The invention as defined in claim 1 wherein said essential oil is an anti-microbial substance.
Claim 5
Dependent Claim
20 words
The invention as defined in claim 1 wherein said preformed shape of synthetic resin compriseS a preformed sheet of polyvinylchloride.
Claim 6
Dependent Claim
89 words
An article of manufacture comprising a manufactured, preformed shape of a water insoluble synthetic resin selected from the group consisting of polyvinylchloride, polyvinylacetate, polyvinyl formal, polyvinyl acetal, and polyurethane, and having preformed capillary pores formed in said shape, the imperforated portions of said shape being impregnated with an aqueous emulsion of an essential oil and surfactant; and which shape is dry to the touch and which gradually yields said essential oil in a chemically unchanged state as dry matter to the surrounding atmosphere over a considerable period of time.
Claim 7
Dependent Claim
26 words
The invention as defined in claim 1 wherein said preformed shape of synthetic resin comprises a sheet having a thickness ranging between 0.006 and 0.004 inches.
Claim 8
Dependent Claim
27 words
The invention as defined in claim 1 wherein said essential oils are selected from a group consisting of alcohols, hydro-carbons, aldehydes, esters, terpenes, and components of tar.
Claim 9
Dependent Claim
15 words
The invention as defined in claim 1 wherein said essential oil comprises cedar wood oil.
Claim 10
Dependent Claim
14 words
The invention as defined in claim 1 wherein said essential oil comprises methyl salicylate.
References Cited (Backward Citations)
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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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |