Patent US4889755A successfully refreshed from Google Patents.
US4889755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fragrance releasing pull-out sampler
Assignee: 3M Co
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Filing: 1988-11-01
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Granted: 1989-12-26
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Expires: 2008-11-01
Abstract
Abstract Encapsulated liquids may be provided as samples by binding a removable strip between two cover sheets. The strip is adhesively secured on at least one face to the inside of the cover sheets by an adhesive bearing the microencapsulated liquid.
Inventors
- 👤 Jack W. Charbonneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A45; A45D; A45D40/00; A45D40/0087; D; D06; D06M; D06M23/00; D06M23/12; Y; Y10; Y10S; Y10S428/00; Y10S428/905; Y10T; Y10T428/00; Y10T428/14; Y10T428/1405; Y10T428/15; Y10T428/23; Y10T428/249921; Y10T428/249994; Y10T428/249995; Y10T428/249997
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
70 words
A sampling device for liquid materials comprising (a) two sheets which form an enclosed area, (b) a removable strip is present at least in part within said enclosed area, (c) said strip has on at least some portion of at least one surface thereof microcapsules and a binder material, said microcapsules containing a liquid therein, (d) said strip is adhesively secured to at least one sheet within said enclosed area.
Claim 2
Dependent Claim
70 words
A sampling device for liquid materials comprising (a) two sheets which form an enclosed area, (b) a removable strip is present at least in part within said enclosed area, (c) said strip has on at least some portion of at least one surface thereof microcapsules and a binder material, said microcapsules containing a liquid therein, (d) said strip is adhesively secured to at least one sheet within said enclosed area.
Claim 3
Dependent Claim
30 words
The device of claim 1 wherein said strip is adhesively secured to said at least one sheet at least in part by an adhesive containing microcapsules which contain liquid therein.
Claim 4
Dependent Claim
12 words
The device of claim 2 wherein said liquid comprises a volatile fragrance.
Claim 5
Dependent Claim
27 words
The device of claim 1 wherein said strip is adhesively secured to said at least one sheet only by an adhesive containing microcapsules which contain liquid therein.
Claim 6
Dependent Claim
12 words
The device of claim 4 wherein said liquid comprises a volatile fragrance.
Claim 7
Dependent Claim
31 words
The device of claim 1 wherein said strip is both adhesively secured to said at least one sheet and is secured by a perforated area on said at least one sheet.
Claim 8
Dependent Claim
22 words
The device of claim 6 wherein said binder with said microcapsule is present as less than 7% by weight of said microcapsules.
Claim 9
Dependent Claim
12 words
The device of claim 7 wherein said liquid comprises a volatile fragrance.
Claim 10
Dependent Claim
16 words
The device of claim 6 wherein at least one of said sheets is two-side coated paper.
Claim 11
Dependent Claim
12 words
The device of claim 6 wherein said liquid comprises a volatile fragrance.
Claim 12
Dependent Claim
22 words
The device of claim 1 wherein said binder with said microcapsules is present as less than 10% by weight of said microcapsules.
Claim 13
Dependent Claim
12 words
The device of claim 11 wherein said liquid comprises a volatile fragrance.
Claim 14
Dependent Claim
24 words
The device of claim 1 wherein a second binder is present on said strip to bond said strip to said at least one sheet.
Claim 15
Dependent Claim
21 words
The device of claim 13 wherein said second binder is the same material as said binder in said binder and microcapsule.
Claim 16
Dependent Claim
21 words
The device of claim 13 wherein said second binder is a different material from said binder in said binder and microcapsule.
Claim 17
Dependent Claim
16 words
The device of claim 1 wherein at least one of said sheets is two-side coated paper.
Claim 18
Dependent Claim
12 words
The device of claim 1 wherein said liquid comprises a volatile fragrance.
Claim 19
Dependent Claim
19 words
The device of claim 17 wherein said two sheets are not readily permeable to the vapors of said liquid.
Claim 20
Dependent Claim
19 words
The device of claim 1 wherein said two sheets are not readily permeable to the vapors of said liquid.
Claim 21
Dependent Claim
18 words
The device of claim 19 wherein said permeability is less than 1.0 g/m 2 vapor/minute at 1.1 atmospheres.
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) | 1992-12-25 | 1993-06-26 | 1993-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-25 | 1997-06-26 | 1997-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-25 | 2001-06-26 | 2001-12-26 | $7700.00 | Window Closed / Lapsed |