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US4499012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfume dispensing material
Assignee: SmithKline Beecham Corp
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Filing: 1982-05-07
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Granted: 1985-02-12
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Expires: 2002-05-07
Abstract
Abstract Known perfume dispensing materials such as those which comprise paper or ceramics have been found to affect adversely the odor of the perfume they dispense. Vermiculite appears to overcome this disadvantage when used in a perfume dispensing material.
Inventors
- 👤 Geoffrey Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:49
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/046; Y; Y10; Y10S; Y10S261/00; Y10S261/17; Y10S428/00; Y10S428/905
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
36 words
A perfume dispensing material which comprises granules having a granule size of over 1000 microns, of vermiculite impregnated with one or more perfume oils, at least 10% of the weight of the material being perfume oil.
Claim 2
Dependent Claim
36 words
A perfume dispensing material which comprises granules having a granule size of over 1000 microns, of vermiculite impregnated with one or more perfume oils, at least 10% of the weight of the material being perfume oil.
Claim 3
Dependent Claim
27 words
A perfume dispensing material according to claim 1, wherein the vermiculite is in the form of granules having a granule size of between 3000 and 6000 microns.
Claim 4
Dependent Claim
31 words
A perfume dispensing material according to claim 1 or 2, wherein the weight of vermiculite in the material is approximately the same as the weight of perfume oil in the material.
Claim 5
Dependent Claim
14 words
A perfume dispensing material according to claim 2, wherein the granules are free flowing.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-12 | 1988-08-13 | 1989-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-12 | 1992-08-13 | 1993-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-12 | 1996-08-13 | 1997-02-12 | $7700.00 | Window Closed / Lapsed |