Patent EP0065244A1 successfully refreshed from Google Patents.
EP0065244A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Perfume dispensing material
Assignee: Wellcome Foundation Ltd
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Filing: 1982-05-07
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Granted: —
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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 odour 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
EP
Data Source
google_patents
Last Synchronized
2026-11-06 16:26
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: 10
Claim 1
Independent Claim
42 words
A perfume dispensing material characterised in that it comprises a block, or 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
42 words
A perfume dispensing material characterised in that it comprises a block, or 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
23 words
A perfume dispensing material according to claim 1 characterised in that the vermiculite is in the form of a block including a binder.
Claim 4
Dependent Claim
29 words
A perfume dispensing material according to claim 1 characterised in that the vermiculite is in the form of granules having a granule size of between 3000 and 6000 microns.
Claim 5
Dependent Claim
34 words
A perfume dispensing material according to claim 1, 2 or 3 characterised in that the weight of vermiculite in the material is approximately the same as the weight of perfume oil in the material.
Claim 6
Dependent Claim
16 words
A perfume dispensing material according to claim 3 characterised in that the granules are free flowing.
Claim 7
Dependent Claim
51 words
A perfume dispenser comprising an inert container containing a perfume dispensing material characterised in that the material comprises a block, or 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 8
Dependent Claim
51 words
A perfume dispenser comprising an inert container containing a perfume dispensing material characterised in that the material comprises a block, or 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 9
Dependent Claim
18 words
A dispenser according to claim 6 characterised in that the container is open and made of plastics material.
Claim 10
Dependent Claim
27 words
A dispenser according to claim 6 or 7 characterised in that the dispenser comprises a fan to enhance the rate of diffusion of perfume from the material.
References Cited (Backward Citations)
US3921581A
Cited
FR2356430A1
Cited
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